Remove punctuation in all exception messages.

Closes #2603.

src/main/java/org/springframework/data/auditing/AnnotationAuditingMetadata.java

@@ -41,6 +41,7 @@ import org.springframework.util.Assert;
  * @author Ranie Jade Ramiso
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  * @since 1.5
  */
 final class AnnotationAuditingMetadata {
@@ -108,7 +109,7 @@ final class AnnotationAuditingMetadata {
 			}
 
 			throw new IllegalStateException(String.format(
-					"Found created/modified date field with type %s but only %s as well as java.time types are supported!", type,
+					"Found created/modified date field with type %s but only %s as well as java.time types are supported", type,
 					SUPPORTED_DATE_TYPES));
 		});
 	}

src/main/java/org/springframework/data/auditing/DefaultAuditableBeanWrapperFactory.java

@@ -38,6 +38,7 @@ import org.springframework.util.Assert;
  * @author Christoph Strobl
  * @author Jens Schauder
  * @author Pavel Horal
+ * @author Johannes Englmeier
  * @since 1.5
  */
 class DefaultAuditableBeanWrapperFactory implements AuditableBeanWrapperFactory {
@@ -187,7 +188,7 @@ class DefaultAuditableBeanWrapperFactory implements AuditableBeanWrapperFactory
 
 				if (!conversionService.canConvert(value.getClass(), Date.class)) {
 					throw new IllegalArgumentException(
-							String.format("Cannot convert date type for member %s! From %s to java.util.Date to %s.", source,
+							String.format("Cannot convert date type for member %s! From %s to java.util.Date to %s", source,
 									value.getClass(), targetType));
 				}
 
@@ -227,7 +228,7 @@ class DefaultAuditableBeanWrapperFactory implements AuditableBeanWrapperFactory
 	}
 
 	private static IllegalArgumentException rejectUnsupportedType(Object source) {
-		return new IllegalArgumentException(String.format("Invalid date type %s for member %s! Supported types are %s.",
+		return new IllegalArgumentException(String.format("Invalid date type %s for member %s! Supported types are %s",
 				source.getClass(), source, AnnotationAuditingMetadata.SUPPORTED_DATE_TYPES));
 	}
 

src/main/java/org/springframework/data/config/ConfigurationUtils.java

@@ -25,6 +25,7 @@ import org.springframework.util.Assert;
  * implementation.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.0
  * @soundtrack Richard Spaven - The Self (feat. Jordan Rakei)
  */
@@ -44,7 +45,7 @@ public interface ConfigurationUtils {
 		ResourceLoader resourceLoader = context.getResourceLoader();
 
 		if (resourceLoader == null) {
-			throw new IllegalArgumentException("Could not obtain ResourceLoader from XmlReaderContext!");
+			throw new IllegalArgumentException("Could not obtain ResourceLoader from XmlReaderContext");
 		}
 
 		return resourceLoader;
@@ -75,7 +76,7 @@ public interface ConfigurationUtils {
 		ClassLoader classLoader = resourceLoader.getClassLoader();
 
 		if (classLoader == null) {
-			throw new IllegalArgumentException("Could not obtain ClassLoader from ResourceLoader!");
+			throw new IllegalArgumentException("Could not obtain ClassLoader from ResourceLoader");
 		}
 
 		return classLoader;
@@ -96,7 +97,7 @@ public interface ConfigurationUtils {
 
 		if (result == null) {
 			throw new IllegalArgumentException(
-					String.format("Could not obtain required bean class name from BeanDefinition!", beanDefinition));
+					String.format("Could not obtain required bean class name from BeanDefinition", beanDefinition));
 		}
 
 		return result;

src/main/java/org/springframework/data/convert/ConfigurableTypeInformationMapper.java

@@ -33,6 +33,7 @@ import org.springframework.util.Assert;
  * inspecting the {@link PersistentEntity} instances for type alias information.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public class ConfigurableTypeInformationMapper implements TypeInformationMapper {
 
@@ -58,7 +59,7 @@ public class ConfigurableTypeInformationMapper implements TypeInformationMapper
 
 			if (typeToAlias.containsValue(alias)) {
 				throw new IllegalArgumentException(
-						String.format("Detected mapping ambiguity! String %s cannot be mapped to more than one type!", alias));
+						String.format("Detected mapping ambiguity! String %s cannot be mapped to more than one type", alias));
 			}
 
 			this.typeToAlias.put(type, alias);

src/main/java/org/springframework/data/convert/CustomConversions.java

@@ -54,6 +54,7 @@ import org.springframework.util.ObjectUtils;
  * @author Christoph Strobl
  * @author Mark Paluch
  * @author Xeno Amess
+ * @author Johannes Englmeier
  * @since 2.0
  */
 public class CustomConversions {

src/main/java/org/springframework/data/convert/DefaultConverterBuilder.java

@@ -38,6 +38,7 @@ import org.springframework.util.ObjectUtils;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 2.0
  * @see ConverterBuilder#writing(Class, Class, Function)
  * @see ConverterBuilder#reading(Class, Class, Function)
@@ -61,13 +62,13 @@ record DefaultConverterBuilder<S, T> (ConvertiblePair convertiblePair,
 	@Override
 	public GenericConverter getReadingConverter() {
 		return getOptionalReadingConverter()
-				.orElseThrow(() -> new IllegalStateException("No reading converter specified!"));
+				.orElseThrow(() -> new IllegalStateException("No reading converter specified"));
 	}
 
 	@Override
 	public GenericConverter getWritingConverter() {
 		return getOptionalWritingConverter()
-				.orElseThrow(() -> new IllegalStateException("No writing converter specified!"));
+				.orElseThrow(() -> new IllegalStateException("No writing converter specified"));
 	}
 
 	@Override

src/main/java/org/springframework/data/convert/MappingContextTypeInformationMapper.java

@@ -34,6 +34,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public class MappingContextTypeInformationMapper implements TypeInformationMapper {
 
@@ -87,7 +88,7 @@ public class MappingContextTypeInformationMapper implements TypeInformationMappe
 		if (existingAlias.isPresentButDifferent(alias)) {
 
 			throw new IllegalArgumentException(
-					String.format("Trying to register alias '%s', but found already registered alias '%s' for type %s!", alias,
+					String.format("Trying to register alias '%s', but found already registered alias '%s' for type %s", alias,
 							existingAlias, key));
 		}
 
@@ -100,7 +101,7 @@ public class MappingContextTypeInformationMapper implements TypeInformationMappe
 					.findFirst().ifPresent(it -> {
 
 						throw new IllegalArgumentException(String.format(
-								"Detected existing type mapping of %s to alias '%s' but attempted to bind the same alias to %s!", key,
+								"Detected existing type mapping of %s to alias '%s' but attempted to bind the same alias to %s", key,
 								alias, it.getKey()));
 					});
 		}

src/main/java/org/springframework/data/crossstore/ChangeSetBackedTransactionSynchronization.java

@@ -19,7 +19,9 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import org.springframework.transaction.support.TransactionSynchronization;
-
+/**
+ * @author Johannes Englmeier
+ */
 public class ChangeSetBackedTransactionSynchronization implements TransactionSynchronization {
 
 	private static final Log logger = LogFactory.getLog(ChangeSetBackedTransactionSynchronization.class);
@@ -63,12 +65,12 @@ public class ChangeSetBackedTransactionSynchronization implements TransactionSyn
 
 	public void resume() {
 		throw new IllegalStateException(
-				"ChangedSetBackedTransactionSynchronization does not support transaction suspension currently.");
+				"ChangedSetBackedTransactionSynchronization does not support transaction suspension currently");
 	}
 
 	public void suspend() {
 		throw new IllegalStateException(
-				"ChangedSetBackedTransactionSynchronization does not support transaction suspension currently.");
+				"ChangedSetBackedTransactionSynchronization does not support transaction suspension currently");
 	}
 
 }

src/main/java/org/springframework/data/domain/AbstractPageRequest.java

@@ -23,6 +23,7 @@ import java.io.Serializable;
  * @author Thomas Darimont
  * @author Oliver Gierke
  * @author Alex Bondarev
+ * @author Johannes Englmeier
  */
 public abstract class AbstractPageRequest implements Pageable, Serializable {
 
@@ -41,11 +42,11 @@ public abstract class AbstractPageRequest implements Pageable, Serializable {
 	public AbstractPageRequest(int page, int size) {
 
 		if (page < 0) {
-			throw new IllegalArgumentException("Page index must not be less than zero!");
+			throw new IllegalArgumentException("Page index must not be less than zero");
 		}
 
 		if (size < 1) {
-			throw new IllegalArgumentException("Page size must not be less than one!");
+			throw new IllegalArgumentException("Page size must not be less than one");
 		}
 
 		this.page = page;

src/main/java/org/springframework/data/domain/Sort.java

@@ -40,6 +40,7 @@ import org.springframework.util.StringUtils;
  * @author Oliver Gierke
  * @author Thomas Darimont
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class Sort implements Streamable<org.springframework.data.domain.Sort.Order>, Serializable {
 
@@ -64,7 +65,7 @@ public class Sort implements Streamable<org.springframework.data.domain.Sort.Ord
 	private Sort(Direction direction, List<String> properties) {
 
 		if (properties == null || properties.isEmpty()) {
-			throw new IllegalArgumentException("You have to provide at least one property to sort by!");
+			throw new IllegalArgumentException("You have to provide at least one property to sort by");
 		}
 
 		this.orders = properties.stream() //
@@ -304,7 +305,7 @@ public class Sort implements Streamable<org.springframework.data.domain.Sort.Ord
 				return Direction.valueOf(value.toUpperCase(Locale.US));
 			} catch (Exception e) {
 				throw new IllegalArgumentException(String.format(
-						"Invalid value '%s' for orders given! Has to be either 'desc' or 'asc' (case insensitive).", value), e);
+						"Invalid value '%s' for orders given! Has to be either 'desc' or 'asc' (case insensitive)", value), e);
 			}
 		}
 
@@ -436,7 +437,7 @@ public class Sort implements Streamable<org.springframework.data.domain.Sort.Ord
 		private Order(@Nullable Direction direction, String property, boolean ignoreCase, NullHandling nullHandling) {
 
 			if (!StringUtils.hasText(property)) {
-				throw new IllegalArgumentException("Property must not be null or empty!");
+				throw new IllegalArgumentException("Property must not be null or empty");
 			}
 
 			this.direction = direction == null ? DEFAULT_DIRECTION : direction;

src/main/java/org/springframework/data/history/AnnotationRevisionMetadata.java

@@ -36,6 +36,7 @@ import org.springframework.util.ReflectionUtils;
  * @author Oliver Gierke
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class AnnotationRevisionMetadata<N extends Number & Comparable<N>> implements RevisionMetadata<N> {
 
@@ -135,6 +136,6 @@ public class AnnotationRevisionMetadata<N extends Number & Comparable<N>> implem
 			return ((Date) timestamp).toInstant();
 		}
 
-		throw new IllegalArgumentException(String.format("Can't convert %s to Instant!", timestamp));
+		throw new IllegalArgumentException(String.format("Can't convert %s to Instant", timestamp));
 	}
 }

src/main/java/org/springframework/data/history/RevisionMetadata.java

@@ -24,6 +24,7 @@ import java.util.Optional;
  * @author Philipp Huegelmeyer
  * @author Oliver Gierke
  * @author Jens Schauder
+ * @author Johannes Englmeier
  */
 public interface RevisionMetadata<N extends Number & Comparable<N>> {
 
@@ -43,7 +44,7 @@ public interface RevisionMetadata<N extends Number & Comparable<N>> {
 	default N getRequiredRevisionNumber() {
 
 		return getRevisionNumber().orElseThrow(
-				() -> new IllegalStateException(String.format("No revision number found on %s!", this.<Object> getDelegate())));
+				() -> new IllegalStateException(String.format("No revision number found on %s", this.<Object> getDelegate())));
 	}
 
 	/**
@@ -62,7 +63,7 @@ public interface RevisionMetadata<N extends Number & Comparable<N>> {
 	default Instant getRequiredRevisionInstant() {
 
 		return getRevisionInstant().orElseThrow(
-				() -> new IllegalStateException(String.format("No revision date found on %s!", this.<Object> getDelegate())));
+				() -> new IllegalStateException(String.format("No revision date found on %s", this.<Object> getDelegate())));
 	}
 
 	/**

src/main/java/org/springframework/data/mapping/IdentifierAccessor.java

@@ -22,6 +22,7 @@ import org.springframework.lang.Nullable;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @see TargetAwareIdentifierAccessor
  */
 public interface IdentifierAccessor {
@@ -51,6 +52,6 @@ public interface IdentifierAccessor {
 			return identifier;
 		}
 
-		throw new IllegalStateException("Could not obtain identifier!");
+		throw new IllegalStateException("Could not obtain identifier");
 	}
 }

src/main/java/org/springframework/data/mapping/PersistentEntity.java

@@ -32,6 +32,7 @@ import org.springframework.util.Assert;
  * @author Patryk Wasik
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public interface PersistentEntity<T, P extends PersistentProperty<P>> extends Iterable<P> {
 
@@ -131,7 +132,7 @@ public interface PersistentEntity<T, P extends PersistentProperty<P>> extends It
 			return property;
 		}
 
-		throw new IllegalStateException(String.format("Required identifier property not found for %s!", getType()));
+		throw new IllegalStateException(String.format("Required identifier property not found for %s", getType()));
 	}
 
 	/**
@@ -159,7 +160,7 @@ public interface PersistentEntity<T, P extends PersistentProperty<P>> extends It
 			return property;
 		}
 
-		throw new IllegalStateException(String.format("Required version property not found for %s!", getType()));
+		throw new IllegalStateException(String.format("Required version property not found for %s", getType()));
 	}
 
 	/**
@@ -186,7 +187,7 @@ public interface PersistentEntity<T, P extends PersistentProperty<P>> extends It
 			return property;
 		}
 
-		throw new IllegalStateException(String.format("Required property %s not found for %s!", name, getType()));
+		throw new IllegalStateException(String.format("Required property %s not found for %s", name, getType()));
 	}
 
 	/**
@@ -312,7 +313,7 @@ public interface PersistentEntity<T, P extends PersistentProperty<P>> extends It
 		}
 
 		throw new IllegalStateException(
-				String.format("Required annotation %s not found for %s!", annotationType, getType()));
+				String.format("Required annotation %s not found for %s", annotationType, getType()));
 	}
 
 	/**

src/main/java/org/springframework/data/mapping/PersistentProperty.java

@@ -34,6 +34,7 @@ import org.springframework.util.Assert;
  * @author Mark Paluch
  * @author Jens Schauder
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public interface PersistentProperty<P extends PersistentProperty<P>> {
 
@@ -89,7 +90,7 @@ public interface PersistentProperty<P extends PersistentProperty<P>> {
 		Method getter = getGetter();
 
 		if (getter == null) {
-			throw new IllegalArgumentException(String.format("No getter available for persistent property %s!", this));
+			throw new IllegalArgumentException(String.format("No getter available for persistent property %s", this));
 		}
 
 		return getter;
@@ -109,7 +110,7 @@ public interface PersistentProperty<P extends PersistentProperty<P>> {
 		Method setter = getSetter();
 
 		if (setter == null) {
-			throw new IllegalArgumentException(String.format("No setter available for persistent property %s!", this));
+			throw new IllegalArgumentException(String.format("No setter available for persistent property %s", this));
 		}
 
 		return setter;
@@ -147,7 +148,7 @@ public interface PersistentProperty<P extends PersistentProperty<P>> {
 		Method wither = getWither();
 
 		if (wither == null) {
-			throw new IllegalArgumentException(String.format("No wither available for persistent property %s!", this));
+			throw new IllegalArgumentException(String.format("No wither available for persistent property %s", this));
 		}
 
 		return wither;
@@ -161,7 +162,7 @@ public interface PersistentProperty<P extends PersistentProperty<P>> {
 		Field field = getField();
 
 		if (field == null) {
-			throw new IllegalArgumentException(String.format("No field backing persistent property %s!", this));
+			throw new IllegalArgumentException(String.format("No field backing persistent property %s", this));
 		}
 
 		return field;
@@ -193,7 +194,7 @@ public interface PersistentProperty<P extends PersistentProperty<P>> {
 			return association;
 		}
 
-		throw new IllegalStateException("No association found!");
+		throw new IllegalStateException("No association found");
 	}
 
 	/**

src/main/java/org/springframework/data/mapping/PersistentPropertyAccessor.java

@@ -29,6 +29,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.10
  * @see PersistentEntity#getPropertyAccessor(Object)
  * @see ConvertingPropertyAccessor
@@ -75,7 +76,7 @@ public interface PersistentPropertyAccessor<T> {
 
 		if (parent == null) {
 
-			String nullIntermediateMessage = "Cannot lookup property %s on null intermediate! Original path was: %s on %s.";
+			String nullIntermediateMessage = "Cannot lookup property %s on null intermediate! Original path was: %s on %s";
 
 			throw new MappingException(
 					String.format(nullIntermediateMessage, parentProperty, path.toDotPath(), getBean().getClass().getName()));
@@ -151,7 +152,7 @@ public interface PersistentPropertyAccessor<T> {
 
 			if (current == null) {
 
-				String nullIntermediateMessage = "Cannot lookup property %s on null intermediate! Original path was: %s on %s.";
+				String nullIntermediateMessage = "Cannot lookup property %s on null intermediate! Original path was: %s on %s";
 
 				throw new MappingException(
 						String.format(nullIntermediateMessage, property, path.toDotPath(), bean.getClass().getName()));

src/main/java/org/springframework/data/mapping/PersistentPropertyPath.java

@@ -23,6 +23,7 @@ import org.springframework.lang.Nullable;
  * Abstraction of a path of {@link PersistentProperty}s.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public interface PersistentPropertyPath<P extends PersistentProperty<P>> extends Streamable<P> {
 
@@ -79,7 +80,7 @@ public interface PersistentPropertyPath<P extends PersistentProperty<P>> extends
 		P property = getLeafProperty();
 
 		if (property == null) {
-			throw new IllegalStateException("No leaf property found!");
+			throw new IllegalStateException("No leaf property found");
 		}
 
 		return property;

src/main/java/org/springframework/data/mapping/PropertyPath.java

@@ -41,10 +41,11 @@ import org.springframework.util.StringUtils;
  * @author Christoph Strobl
  * @author Mark Paluch
  * @author Mariusz Mączkowski
+ * @author Johannes Englmeier
  */
 public class PropertyPath implements Streamable<PropertyPath> {
 
-	private static final String PARSE_DEPTH_EXCEEDED = "Trying to parse a path with depth greater than 1000! This has been disabled for security reasons to prevent parsing overflows.";
+	private static final String PARSE_DEPTH_EXCEEDED = "Trying to parse a path with depth greater than 1000! This has been disabled for security reasons to prevent parsing overflows";
 
 	private static final String DELIMITERS = "_\\.";
 	private static final Pattern SPLITTER = Pattern.compile("(?:[%s]?([%s]*?[^%s]+))".replaceAll("%s", DELIMITERS));
@@ -300,7 +301,7 @@ public class PropertyPath implements Streamable<PropertyPath> {
 
 		if (result == null) {
 			throw new IllegalStateException(
-					"No next path available! Clients should call hasNext() before invoking this method!");
+					"No next path available! Clients should call hasNext() before invoking this method");
 		}
 
 		return result;
@@ -358,7 +359,7 @@ public class PropertyPath implements Streamable<PropertyPath> {
 
 			if (result == null) {
 				throw new IllegalStateException(
-						String.format("Expected parsing to yield a PropertyPath from %s but got null!", source));
+						String.format("Expected parsing to yield a PropertyPath from %s but got null", source));
 			}
 
 			return result;

src/main/java/org/springframework/data/mapping/TargetAwareIdentifierAccessor.java

@@ -21,6 +21,7 @@ package org.springframework.data.mapping;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 2.0
  * @soundtrack Anika Nilles - Greenfield (Pikalar)
  */
@@ -41,6 +42,6 @@ public abstract class TargetAwareIdentifierAccessor implements IdentifierAccesso
 			return identifier;
 		}
 
-		throw new IllegalStateException(String.format("Could not obtain identifier from %s!", target));
+		throw new IllegalStateException(String.format("Could not obtain identifier from %s", target));
 	}
 }

src/main/java/org/springframework/data/mapping/callback/EntityCallbackDiscoverer.java

@@ -44,6 +44,7 @@ import org.springframework.util.comparator.Comparators;
  * @author Mark Paluch
  * @author Christoph Strobl
  * @author Myeonghyeon Lee
+ * @author Johannes Englmeier
  * @since 2.2
  */
 class EntityCallbackDiscoverer {
@@ -322,7 +323,7 @@ class EntityCallbackDiscoverer {
 		}
 
 		throw new IllegalStateException(
-				String.format("%s does not define a callback method accepting %s and %s additional arguments.",
+				String.format("%s does not define a callback method accepting %s and %s additional arguments",
 						ClassUtils.getShortName(callbackType), ClassUtils.getShortName(entityType), args.length));
 	}
 

src/main/java/org/springframework/data/mapping/context/MappingContext.java

@@ -37,6 +37,7 @@ import org.springframework.lang.Nullable;
  * @author Graeme Rocher
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public interface MappingContext<E extends PersistentEntity<?, P>, P extends PersistentProperty<P>> {
 
@@ -76,7 +77,7 @@ public interface MappingContext<E extends PersistentEntity<?, P>, P extends Pers
 			return entity;
 		}
 
-		throw new MappingException(String.format("Couldn't find PersistentEntity for type %s!", type));
+		throw new MappingException(String.format("Couldn't find PersistentEntity for type %s", type));
 	}
 
 	/**
@@ -116,7 +117,7 @@ public interface MappingContext<E extends PersistentEntity<?, P>, P extends Pers
 			return entity;
 		}
 
-		throw new MappingException(String.format("Couldn't find PersistentEntity for type %s!", type));
+		throw new MappingException(String.format("Couldn't find PersistentEntity for type %s", type));
 	}
 
 	/**
@@ -149,7 +150,7 @@ public interface MappingContext<E extends PersistentEntity<?, P>, P extends Pers
 			return entity;
 		}
 
-		throw new MappingException(String.format("Couldn't find PersistentEntity for property %s!", persistentProperty));
+		throw new MappingException(String.format("Couldn't find PersistentEntity for property %s", persistentProperty));
 	}
 
 	/**

src/main/java/org/springframework/data/mapping/context/PersistentEntities.java

@@ -41,6 +41,7 @@ import org.springframework.util.Assert;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.8
  */
 public class PersistentEntities implements Streamable<PersistentEntity<?, ? extends PersistentProperty<?>>> {
@@ -117,7 +118,7 @@ public class PersistentEntities implements Streamable<PersistentEntity<?, ? exte
 
 		return getPersistentEntity(type).orElseThrow(() -> {
 			return new MappingException(String.format(
-					"Cannot get or create PersistentEntity for type %s! PersistentEntities knows about %s MappingContext instances and therefore cannot identify a single responsible one. Please configure the initialEntitySet through an entity scan using the base package in your configuration to pre initialize contexts.",
+					"Cannot get or create PersistentEntity for type %s! PersistentEntities knows about %s MappingContext instances and therefore cannot identify a single responsible one. Please configure the initialEntitySet through an entity scan using the base package in your configuration to pre initialize contexts",
 					type.getName(), contexts.size()));
 		});
 	}
@@ -253,7 +254,7 @@ public class PersistentEntities implements Streamable<PersistentEntity<?, ? exte
 
 			String message = "Found multiple entities identified by " + type.getType() + ": ";
 			message += entities.stream().map(it -> it.getType().getName()).collect(Collectors.joining(", "));
-			message += "! Introduce dedicated unique identifier types or explicitly define the target type in @Reference!";
+			message += "! Introduce dedicated unique identifier types or explicitly define the target type in @Reference";
 
 			throw new IllegalStateException(message);
 		}

src/main/java/org/springframework/data/mapping/model/BasicPersistentEntity.java

@@ -58,6 +58,7 @@ import org.springframework.util.StringUtils;
  * @author Thomas Darimont
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implements MutablePersistentEntity<T, P> {
 
@@ -206,7 +207,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 				throw new MappingException(
 						String.format(
 								"Attempt to add version property %s but already have property %s registered "
-										+ "as version. Check your mapping configuration!",
+										+ "as version. Check your mapping configuration",
 								property.getField(), versionProperty.getField()));
 			}
 
@@ -236,7 +237,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 
 		if (idProperty != null) {
 			throw new MappingException(String.format("Attempt to add id property %s but already have property %s registered "
-					+ "as id. Check your mapping configuration!", property.getField(), idProperty.getField()));
+					+ "as id. Check your mapping configuration ", property.getField(), idProperty.getField()));
 		}
 
 		return property;
@@ -520,11 +521,11 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 		public int compare(@Nullable Association<P> left, @Nullable Association<P> right) {
 
 			if (left == null) {
-				throw new IllegalArgumentException("Left argument must not be null!");
+				throw new IllegalArgumentException("Left argument must not be null");
 			}
 
 			if (right == null) {
-				throw new IllegalArgumentException("Right argument must not be null!");
+				throw new IllegalArgumentException("Right argument must not be null");
 			}
 
 			return delegate.compare(left.getInverse(), right.getInverse());

src/main/java/org/springframework/data/mapping/model/BeanWrapper.java

@@ -39,6 +39,7 @@ import org.springframework.util.ReflectionUtils;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 class BeanWrapper<T> implements PersistentPropertyAccessor<T> {
 
@@ -80,7 +81,7 @@ class BeanWrapper<T> implements PersistentPropertyAccessor<T> {
 				}
 
 				throw new UnsupportedOperationException(
-						String.format("Cannot set immutable property %s.%s!", property.getOwner().getName(), property.getName()));
+						String.format("Cannot set immutable property %s.%s ", property.getOwner().getName(), property.getName()));
 			}
 
 			if (!property.usePropertyAccess()) {
@@ -98,7 +99,7 @@ class BeanWrapper<T> implements PersistentPropertyAccessor<T> {
 			ReflectionUtils.invokeMethod(setter, bean, value);
 
 		} catch (IllegalStateException e) {
-			throw new MappingException("Could not set object property!", e);
+			throw new MappingException("Could not set object property", e);
 		}
 	}
 
@@ -138,7 +139,7 @@ class BeanWrapper<T> implements PersistentPropertyAccessor<T> {
 
 		} catch (IllegalStateException e) {
 			throw new MappingException(
-					String.format("Could not read property %s of %s!", property.toString(), bean.toString()), e);
+					String.format("Could not read property %s of %s", property.toString(), bean.toString()), e);
 		}
 	}
 
@@ -168,7 +169,7 @@ class BeanWrapper<T> implements PersistentPropertyAccessor<T> {
 
 			if (copy == null) {
 				throw new UnsupportedOperationException(String.format(
-						"Kotlin class %s has no .copy(…) method for property %s!", type.getName(), property.getName()));
+						"Kotlin class %s has no .copy(…) method for property %s", type.getName(), property.getName()));
 			}
 
 			return copy.callBy(getCallArgs(copy, property, bean, value));

src/main/java/org/springframework/data/mapping/model/ClassGeneratingPropertyAccessorFactory.java

@@ -64,6 +64,7 @@ import org.springframework.util.ReflectionUtils;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Jens Schauder
+ * @author Johannes Englmeier
  * @since 1.13
  */
 public class ClassGeneratingPropertyAccessorFactory implements PersistentPropertyAccessorFactory {
@@ -775,7 +776,7 @@ public class ClassGeneratingPropertyAccessorFactory implements PersistentPropert
 			visitGetPropertySwitch(entity, persistentProperties, internalClassName, mv);
 
 			mv.visitLabel(l1);
-			visitThrowUnsupportedOperationException(mv, "No accessor to get property %s!");
+			visitThrowUnsupportedOperationException(mv, "No accessor to get property %s");
 
 			mv.visitLocalVariable(THIS_REF, referenceName(internalClassName), null, l0, l1, 0);
 			mv.visitLocalVariable("property", referenceName(PERSISTENT_PROPERTY),
@@ -938,7 +939,7 @@ public class ClassGeneratingPropertyAccessorFactory implements PersistentPropert
 			Label l1 = new Label();
 			mv.visitLabel(l1);
 
-			visitThrowUnsupportedOperationException(mv, "No accessor to set property %s!");
+			visitThrowUnsupportedOperationException(mv, "No accessor to set property %s");
 
 			mv.visitLocalVariable(THIS_REF, referenceName(internalClassName), null, l0, l1, 0);
 			mv.visitLocalVariable("property", "Lorg/springframework/data/mapping/PersistentProperty;",

src/main/java/org/springframework/data/mapping/model/InstantiationAwarePropertyAccessor.java

@@ -34,6 +34,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Drotbohm
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 2.3
  */
 public class InstantiationAwarePropertyAccessor<T> implements PersistentPropertyAccessor<T> {
@@ -98,7 +99,7 @@ public class InstantiationAwarePropertyAccessor<T> implements PersistentProperty
 
 			if (it.getName() == null) {
 				throw new IllegalStateException(
-						String.format("Cannot detect parameter names of copy creator of %s!", owner.getType()));
+						String.format("Cannot detect parameter names of copy creator of %s", owner.getType()));
 			}
 		});
 

src/main/java/org/springframework/data/mapping/model/KotlinClassGeneratingEntityInstantiator.java

@@ -39,6 +39,7 @@ import org.springframework.lang.Nullable;
  *
  * @author Mark Paluch
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.0
  */
 class KotlinClassGeneratingEntityInstantiator extends ClassGeneratingEntityInstantiator {
@@ -205,7 +206,7 @@ class KotlinClassGeneratingEntityInstantiator extends ClassGeneratingEntityInsta
 				@Nullable InstanceCreatorMetadata<P> entityCreator, ParameterValueProvider<P> provider) {
 
 			if (entityCreator == null) {
-				throw new IllegalArgumentException("EntityCreator must not be null!");
+				throw new IllegalArgumentException("EntityCreator must not be null");
 			}
 
 			Object[] params = allocateArguments(synthetic.getParameterCount()

src/main/java/org/springframework/data/mapping/model/PersistentEntityIsNewStrategy.java

@@ -28,6 +28,7 @@ import org.springframework.util.ClassUtils;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @soundtrack Scary Pockets - Crash Into Me (Dave Matthews Band Cover feat. Julia Nunes) -
  *             https://www.youtube.com/watch?v=syGlBNVGEqU
  */
@@ -60,7 +61,7 @@ class PersistentEntityIsNewStrategy implements IsNewStrategy {
 			if (!ClassUtils.isAssignable(Number.class, type)) {
 
 				throw new IllegalArgumentException(String
-						.format("Only numeric primitives are supported as identifier / version field types! Got: %s.", valueType));
+						.format("Only numeric primitives are supported as identifier / version field types! Got: %s", valueType));
 			}
 		}
 	}
@@ -104,6 +105,6 @@ class PersistentEntityIsNewStrategy implements IsNewStrategy {
 		}
 
 		throw new IllegalArgumentException(
-				String.format("Could not determine whether %s is new! Unsupported identifier or version property!", entity));
+				String.format("Could not determine whether %s is new! Unsupported identifier or version property", entity));
 	}
 }

src/main/java/org/springframework/data/mapping/model/PersistentEntityParameterValueProvider.java

@@ -29,6 +29,7 @@ import org.springframework.lang.Nullable;
  * expression evaluation.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public class PersistentEntityParameterValueProvider<P extends PersistentProperty<P>>
 		implements ParameterValueProvider<P> {
@@ -57,14 +58,14 @@ public class PersistentEntityParameterValueProvider<P extends PersistentProperty
 		String name = parameter.getName();
 
 		if (name == null) {
-			throw new MappingException(String.format("Parameter %s does not have a name!", parameter));
+			throw new MappingException(String.format("Parameter %s does not have a name", parameter));
 		}
 
 		P property = entity.getPersistentProperty(name);
 
 		if (property == null) {
 			throw new MappingException(
-					String.format("No property %s found on entity %s to bind constructor parameter to!", name, entity.getType()));
+					String.format("No property %s found on entity %s to bind constructor parameter to", name, entity.getType()));
 		}
 
 		return provider.getPropertyValue(property);

src/main/java/org/springframework/data/mapping/model/SimplePersistentPropertyPathAccessor.java

@@ -46,6 +46,7 @@ import org.springframework.util.Assert;
  * property, the nested property will be set on all collection elements and map values.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.3
  * @soundtrack Ron Spielman - Nineth Song (Tip of My Tongue)
  */
@@ -249,7 +250,7 @@ class SimplePersistentPropertyPathAccessor<T> implements PersistentPropertyPathA
 		}
 
 		if (!type.isInstance(value)) {
-			throw new MappingException(String.format("Invalid property value type! Need %s but got %s!", //
+			throw new MappingException(String.format("Invalid property value type! Need %s but got %s", //
 					type.getName(), value.getClass().getName()));
 		}
 

src/main/java/org/springframework/data/projection/Accessor.java

@@ -26,6 +26,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  * @soundtrack Benny Greb - Soulfood (Live)
  * @since 1.13
  */
@@ -47,7 +48,7 @@ public final class Accessor {
 		PropertyDescriptor descriptor = BeanUtils.findPropertyForMethod(method);
 
 		if (descriptor == null) {
-			throw new IllegalArgumentException(String.format("Invoked method %s is no accessor method!", method));
+			throw new IllegalArgumentException(String.format("Invoked method %s is no accessor method", method));
 		}
 
 		this.descriptor = descriptor;

src/main/java/org/springframework/data/projection/DefaultMethodInvokingMethodInterceptor.java

@@ -40,6 +40,7 @@ import org.springframework.util.ReflectionUtils;
  * @author Oliver Gierke
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class DefaultMethodInvokingMethodInterceptor implements MethodInterceptor {
 
@@ -114,7 +115,7 @@ public class DefaultMethodInvokingMethodInterceptor implements MethodInterceptor
 			MethodHandle lookup(Method method) throws ReflectiveOperationException {
 
 				if (privateLookupIn == null) {
-					throw new IllegalStateException("Could not obtain MethodHandles.privateLookupIn!");
+					throw new IllegalStateException("Could not obtain MethodHandles.privateLookupIn");
 				}
 
 				return doLookup(method, getLookup(method.getDeclaringClass(), privateLookupIn));
@@ -149,7 +150,7 @@ public class DefaultMethodInvokingMethodInterceptor implements MethodInterceptor
 			MethodHandle lookup(Method method) throws ReflectiveOperationException {
 
 				if (!isAvailable()) {
-					throw new IllegalStateException("Could not obtain MethodHandles.lookup constructor!");
+					throw new IllegalStateException("Could not obtain MethodHandles.lookup constructor");
 				}
 
 				Constructor<Lookup> constructor = this.constructor.get();
@@ -222,7 +223,7 @@ public class DefaultMethodInvokingMethodInterceptor implements MethodInterceptor
 				}
 			}
 
-			throw new IllegalStateException("No MethodHandleLookup available!");
+			throw new IllegalStateException("No MethodHandleLookup available");
 		}
 
 		@Nullable

src/main/java/org/springframework/data/projection/DefaultProjectionInformation.java

@@ -47,6 +47,7 @@ import org.springframework.util.ClassUtils;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.12
  */
 class DefaultProjectionInformation implements ProjectionInformation {
@@ -245,7 +246,7 @@ class DefaultProjectionInformation implements ProjectionInformation {
 					.filter(it -> name.equals(it.getName())) //
 					.findFirst()
 					.orElseThrow(() -> new IllegalStateException(
-							String.format("Did not find type %s in %s!", name, Arrays.toString(types))));
+							String.format("Did not find type %s in %s", name, Arrays.toString(types))));
 		}
 
 		/**

src/main/java/org/springframework/data/projection/MapAccessingMethodInterceptor.java

@@ -29,6 +29,7 @@ import org.springframework.util.ReflectionUtils;
  * {@link MethodInterceptor} to support accessor methods to store and retrieve values from a {@link Map}.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 1.10
  */
 class MapAccessingMethodInterceptor implements MethodInterceptor {
@@ -61,6 +62,6 @@ class MapAccessingMethodInterceptor implements MethodInterceptor {
 			return null;
 		}
 
-		throw new IllegalStateException("Should never get here!");
+		throw new IllegalStateException("Should never get here");
 	}
 }

src/main/java/org/springframework/data/projection/ProjectingMethodInterceptor.java

@@ -45,6 +45,7 @@ import org.springframework.util.ObjectUtils;
  * @author Oliver Gierke
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  * @since 1.10
  */
 class ProjectingMethodInterceptor implements MethodInterceptor {
@@ -108,7 +109,7 @@ class ProjectingMethodInterceptor implements MethodInterceptor {
 			return getProjection(result, targetType);
 		} else {
 			throw new UnsupportedOperationException(
-					String.format("Cannot project %s to %s. Target type is not an interface and no matching Converter found!",
+					String.format("Cannot project %s to %s. Target type is not an interface and no matching Converter found",
 							ClassUtils.getDescriptiveType(result), ClassUtils.getQualifiedName(targetType)));
 		}
 	}

src/main/java/org/springframework/data/projection/PropertyAccessingMethodInterceptor.java

@@ -32,6 +32,7 @@ import org.springframework.util.ReflectionUtils;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.10
  */
 class PropertyAccessingMethodInterceptor implements MethodInterceptor {
@@ -62,7 +63,7 @@ class PropertyAccessingMethodInterceptor implements MethodInterceptor {
 		PropertyDescriptor descriptor = BeanUtils.findPropertyForMethod(method);
 
 		if (descriptor == null) {
-			throw new IllegalStateException("Invoked method is not a property accessor!");
+			throw new IllegalStateException("Invoked method is not a property accessor");
 		}
 
 		if (!isSetterMethod(method, descriptor)) {
@@ -70,7 +71,7 @@ class PropertyAccessingMethodInterceptor implements MethodInterceptor {
 		}
 
 		if (invocation.getArguments().length != 1) {
-			throw new IllegalStateException("Invoked setter method requires exactly one argument!");
+			throw new IllegalStateException("Invoked setter method requires exactly one argument");
 		}
 
 		target.setPropertyValue(descriptor.getName(), invocation.getArguments()[0]);

src/main/java/org/springframework/data/projection/SpelEvaluatingMethodInterceptor.java

@@ -47,6 +47,7 @@ import org.springframework.util.StringUtils;
  * @author Thomas Darimont
  * @author Christoph Strobl
  * @author Xeno Amess
+ * @author Johannes Englmeier
  * @see 1.10
  */
 class SpelEvaluatingMethodInterceptor implements MethodInterceptor {
@@ -116,7 +117,7 @@ class SpelEvaluatingMethodInterceptor implements MethodInterceptor {
 			}
 
 			if (!StringUtils.hasText(value.value())) {
-				throw new IllegalStateException(String.format("@Value annotation on %s contains empty expression!", method));
+				throw new IllegalStateException(String.format("@Value annotation on %s contains empty expression", method));
 			}
 
 			expressions.put(method.hashCode(), parser.parseExpression(value.value(), PARSER_CONTEXT));

src/main/java/org/springframework/data/querydsl/binding/QuerydslBindings.java

@@ -60,6 +60,7 @@ import com.querydsl.core.types.Path;
  * @author Christoph Strobl
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.11
  * @see QuerydslBinderCustomizer
  */
@@ -357,7 +358,7 @@ public class QuerydslBindings {
 		Path<?> rootPath = path.getMetadata().getRootPath();
 
 		if (rootPath == null) {
-			throw new IllegalStateException(String.format("Couldn't find root path on path %s!", path));
+			throw new IllegalStateException(String.format("Couldn't find root path on path %s", path));
 		}
 
 		return path.toString().substring(rootPath.getMetadata().getName().length() + 1);

src/main/java/org/springframework/data/querydsl/binding/QuerydslDefaultBinding.java

@@ -38,6 +38,7 @@ import com.querydsl.core.types.dsl.SimpleExpression;
  * @author Christoph Strobl
  * @author Oliver Gierke
  * @author Colin Gao
+ * @author Johannes Englmeier
  * @since 1.11
  */
 class QuerydslDefaultBinding implements MultiValueBinding<Path<? extends Object>, Object> {
@@ -78,6 +79,6 @@ class QuerydslDefaultBinding implements MultiValueBinding<Path<? extends Object>
 		}
 
 		throw new IllegalArgumentException(
-				String.format("Cannot create predicate for path '%s' with type '%s'.", path, path.getMetadata().getPathType()));
+				String.format("Cannot create predicate for path '%s' with type '%s'", path, path.getMetadata().getPathType()));
 	}
 }

src/main/java/org/springframework/data/querydsl/binding/QuerydslPathInformation.java

@@ -30,6 +30,7 @@ import com.querydsl.core.types.Path;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.13
  */
 class QuerydslPathInformation implements PathInformation {
@@ -60,7 +61,7 @@ class QuerydslPathInformation implements PathInformation {
 		Path<?> parent = path.getMetadata().getParent();
 
 		if (parent == null) {
-			throw new IllegalStateException(String.format("Could not obtain metadata for parent node of %s!", path));
+			throw new IllegalStateException(String.format("Could not obtain metadata for parent node of %s", path));
 		}
 
 		return parent.getType();

src/main/java/org/springframework/data/querydsl/binding/QuerydslPredicateBuilder.java

@@ -47,6 +47,7 @@ import com.querydsl.core.types.Predicate;
  * @author Christoph Strobl
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.11
  */
 public class QuerydslPredicateBuilder {
@@ -224,7 +225,7 @@ public class QuerydslPredicateBuilder {
 						.nested(new Property(owningType, descriptor.getReadMethod(), descriptor.getWriteMethod(), leafProperty), 0);
 
 		if (result == null) {
-			throw new IllegalStateException(String.format("Could not obtain TypeDescriptor for PathInformation %s!", path));
+			throw new IllegalStateException(String.format("Could not obtain TypeDescriptor for PathInformation %s", path));
 		}
 
 		return result;

src/main/java/org/springframework/data/repository/cdi/CdiRepositoryBean.java

@@ -63,6 +63,7 @@ import org.springframework.util.StringUtils;
  * @author Christoph Strobl
  * @author Ariel Carrera
  * @author Xeno Amess
+ * @author Johannes Englmeier
  */
 public abstract class CdiRepositoryBean<T> implements Bean<T>, PassivationCapable {
 
@@ -108,7 +109,7 @@ public abstract class CdiRepositoryBean<T> implements Bean<T>, PassivationCapabl
 		this.repositoryType = repositoryType;
 		this.beanManager = beanManager;
 		this.context = new CdiRepositoryContext(getClass().getClassLoader(), detector
-				.orElseThrow(() -> new IllegalArgumentException("CustomRepositoryImplementationDetector must be present!")));
+				.orElseThrow(() -> new IllegalArgumentException("CustomRepositoryImplementationDetector must be present")));
 		this.passivationId = createPassivationId(qualifiers, repositoryType);
 	}
 
@@ -356,7 +357,7 @@ public abstract class CdiRepositoryBean<T> implements Bean<T>, PassivationCapabl
 		return Arrays.stream(repositoryType.getInterfaces()) //
 				.filter(it -> it.getName().equals(interfaceName)) //
 				.findFirst() //
-				.orElseThrow(() -> new IllegalArgumentException(String.format("Did not find type %s in %s!", interfaceName,
+				.orElseThrow(() -> new IllegalArgumentException(String.format("Did not find type %s in %s", interfaceName,
 						Arrays.asList(repositoryType.getInterfaces()))));
 	}
 

src/main/java/org/springframework/data/repository/config/AnnotationRepositoryConfigurationSource.java

@@ -57,6 +57,7 @@ import org.springframework.util.StringUtils;
  * @author Peter Rietzler
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class AnnotationRepositoryConfigurationSource extends RepositoryConfigurationSourceSupport {
 
@@ -118,7 +119,7 @@ public class AnnotationRepositoryConfigurationSource extends RepositoryConfigura
 		Map<String, Object> annotationAttributes = metadata.getAnnotationAttributes(annotation.getName());
 
 		if (annotationAttributes == null) {
-			throw new IllegalStateException(String.format("Unable to obtain annotation attributes for %s!", annotation));
+			throw new IllegalStateException(String.format("Unable to obtain annotation attributes for %s", annotation));
 		}
 
 		this.attributes = new AnnotationAttributes(annotationAttributes);
@@ -228,7 +229,7 @@ public class AnnotationRepositoryConfigurationSource extends RepositoryConfigura
 	public <T> Optional<T> getAttribute(String name, Class<T> type) {
 
 		if (!attributes.containsKey(name)) {
-			throw new IllegalArgumentException(String.format("No attribute named %s found!", name));
+			throw new IllegalArgumentException(String.format("No attribute named %s found", name));
 		}
 
 		Object value = attributes.get(name);
@@ -238,7 +239,7 @@ public class AnnotationRepositoryConfigurationSource extends RepositoryConfigura
 		}
 
 		Assert.isInstanceOf(type, value,
-				() -> String.format("Attribute value for %s is of type %s but was expected to be of type %s!", name,
+				() -> String.format("Attribute value for %s is of type %s but was expected to be of type %s", name,
 						value.getClass(), type));
 
 		Object result = value instanceof String //

src/main/java/org/springframework/data/repository/config/DefaultRepositoryConfiguration.java

@@ -34,6 +34,7 @@ import org.springframework.util.StringUtils;
  * @author Oliver Gierke
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class DefaultRepositoryConfiguration<T extends RepositoryConfigurationSource>
 		implements RepositoryConfiguration<T> {
@@ -55,7 +56,7 @@ public class DefaultRepositoryConfiguration<T extends RepositoryConfigurationSou
 
 	public String getBeanId() {
 		return StringUtils.uncapitalize(ClassUtils.getShortName(getRepositoryBaseClassName().orElseThrow(
-				() -> new IllegalStateException("Can't create bean identifier without a repository base class defined!"))));
+				() -> new IllegalStateException("Can't create bean identifier without a repository base class defined"))));
 	}
 
 	public Object getQueryLookupStrategyKey() {

src/main/java/org/springframework/data/repository/config/FragmentMetadata.java

@@ -31,6 +31,7 @@ import org.springframework.util.Assert;
  *
  * @author Mark Paluch
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.1
  */
 public class FragmentMetadata {
@@ -76,7 +77,7 @@ public class FragmentMetadata {
 		try {
 			return factory.getMetadataReader(className).getAnnotationMetadata();
 		} catch (IOException e) {
-			throw new BeanDefinitionStoreException(String.format("Cannot parse %s metadata.", className), e);
+			throw new BeanDefinitionStoreException(String.format("Cannot parse %s metadata", className), e);
 		}
 	}
 
@@ -85,7 +86,7 @@ public class FragmentMetadata {
 		try {
 			return factory.getMetadataReader(className).getClassMetadata();
 		} catch (IOException e) {
-			throw new BeanDefinitionStoreException(String.format("Cannot parse %s metadata.", className), e);
+			throw new BeanDefinitionStoreException(String.format("Cannot parse %s metadata", className), e);
 		}
 	}
 }

src/main/java/org/springframework/data/repository/config/ImplementationDetectionConfiguration.java

@@ -28,6 +28,7 @@ import org.springframework.util.ClassUtils;
  * Expresses configuration to be used to detect implementation classes for repositories and repository fragments.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.1
  */
 public interface ImplementationDetectionConfiguration {
@@ -73,7 +74,7 @@ public interface ImplementationDetectionConfiguration {
 		String beanName = definition.getBeanClassName();
 
 		if (beanName == null) {
-			throw new IllegalStateException("Cannot generate bean name for BeanDefinition without bean class name!");
+			throw new IllegalStateException("Cannot generate bean name for BeanDefinition without bean class name");
 		}
 
 		return Introspector.decapitalize(ClassUtils.getShortName(beanName));

src/main/java/org/springframework/data/repository/config/RepositoryBeanNameGenerator.java

@@ -33,6 +33,7 @@ import org.springframework.util.ClassUtils;
  * @author Oliver Gierke
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 class RepositoryBeanNameGenerator {
 
@@ -91,7 +92,7 @@ class RepositoryBeanNameGenerator {
 
 		if (argumentValue == null) {
 			throw new IllegalStateException(
-					String.format("Failed to obtain first constructor parameter value of BeanDefinition %s!", beanDefinition));
+					String.format("Failed to obtain first constructor parameter value of BeanDefinition %s", beanDefinition));
 		}
 
 		Object value = argumentValue.getValue();
@@ -99,7 +100,7 @@ class RepositoryBeanNameGenerator {
 		if (value == null) {
 
 			throw new IllegalStateException(
-					String.format("Value of first constructor parameter value of BeanDefinition %s is null!", beanDefinition));
+					String.format("Value of first constructor parameter value of BeanDefinition %s is null", beanDefinition));
 
 		} else if (value instanceof Class<?>) {
 

src/main/java/org/springframework/data/repository/config/RepositoryConfigurationExtensionSupport.java

@@ -50,6 +50,7 @@ import org.springframework.util.StringUtils;
  * @author Oliver Gierke
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public abstract class RepositoryConfigurationExtensionSupport implements RepositoryConfigurationExtension {
 
@@ -333,7 +334,7 @@ public abstract class RepositoryConfigurationExtensionSupport implements Reposit
 
 		if (metadata.isReactiveRepository()) {
 			throw new InvalidDataAccessApiUsageException(
-					String.format("Reactive Repositories are not supported by %s. Offending repository is %s!", getModuleName(),
+					String.format("Reactive Repositories are not supported by %s. Offending repository is %s", getModuleName(),
 							metadata.getRepositoryInterface().getName()));
 		}
 

src/main/java/org/springframework/data/repository/config/RepositoryConfigurationSource.java

@@ -34,6 +34,7 @@ import org.springframework.util.Assert;
  * @author Peter Rietzler
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public interface RepositoryConfigurationSource {
 
@@ -126,7 +127,7 @@ public interface RepositoryConfigurationSource {
 		Assert.hasText(name, "Attribute name must not be null or empty!");
 
 		return getAttribute(name, type)
-				.orElseThrow(() -> new IllegalArgumentException(String.format("No attribute named %s found!", name)));
+				.orElseThrow(() -> new IllegalArgumentException(String.format("No attribute named %s found", name)));
 	}
 
 	/**

src/main/java/org/springframework/data/repository/config/ResourceReaderRepositoryPopulatorBeanDefinitionParser.java

@@ -31,6 +31,7 @@ import org.w3c.dom.Element;
  * {@link BeanDefinitionParser} to parse repository initializers.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public class ResourceReaderRepositoryPopulatorBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
 
@@ -46,7 +47,7 @@ public class ResourceReaderRepositoryPopulatorBeanDefinitionParser extends Abstr
 			return Jackson2RepositoryPopulatorFactoryBean.class.getName();
 		}
 
-		throw new IllegalStateException("Unsupported populator type " + name + "!");
+		throw new IllegalStateException("Unsupported populator type " + name);
 	}
 
 	@Override

src/main/java/org/springframework/data/repository/config/SelectionSet.java

@@ -27,6 +27,7 @@ import java.util.stream.Collectors;
  *
  * @author Jens Schauder
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.0
  */
 class SelectionSet<T> {
@@ -82,7 +83,7 @@ class SelectionSet<T> {
 			if (c.isEmpty()) {
 				return Optional.empty();
 			} else {
-				throw new IllegalStateException("More then one element in collection.");
+				throw new IllegalStateException("More then one element in collection");
 			}
 		};
 	}

src/main/java/org/springframework/data/repository/core/EntityInformation.java

@@ -23,6 +23,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @see org.springframework.data.repository.core.support.PersistentEntityInformation
  */
 public interface EntityInformation<T, ID> extends EntityMetadata<T> {
@@ -62,7 +63,7 @@ public interface EntityInformation<T, ID> extends EntityMetadata<T> {
 			return id;
 		}
 
-		throw new IllegalArgumentException(String.format("Could not obtain required identifier from entity %s!", entity));
+		throw new IllegalArgumentException(String.format("Could not obtain required identifier from entity %s", entity));
 	}
 
 	/**

src/main/java/org/springframework/data/repository/core/support/AbstractEntityInformation.java

@@ -26,6 +26,7 @@ import org.springframework.util.Assert;
  * @author Oliver Gierke
  * @author Nick Williams
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public abstract class AbstractEntityInformation<T, ID> implements EntityInformation<T, ID> {
 
@@ -51,7 +52,7 @@ public abstract class AbstractEntityInformation<T, ID> implements EntityInformat
 			return ((Number) id).longValue() == 0L;
 		}
 
-		throw new IllegalArgumentException(String.format("Unsupported primitive id type %s!", idType));
+		throw new IllegalArgumentException(String.format("Unsupported primitive id type %s", idType));
 	}
 
 	public Class<T> getJavaType() {

src/main/java/org/springframework/data/repository/core/support/AnnotationRepositoryMetadata.java

@@ -32,6 +32,7 @@ import org.springframework.util.Assert;
  * @author Thomas Darimont
  * @author Xeno Amess
  * @author Alessandro Nistico
+ * @author Johannes Englmeier
  */
 public class AnnotationRepositoryMetadata extends AbstractRepositoryMetadata {
 
@@ -74,7 +75,7 @@ public class AnnotationRepositoryMetadata extends AbstractRepositoryMetadata {
 		RepositoryDefinition annotation = AnnotationUtils.findAnnotation(repositoryInterface, RepositoryDefinition.class);
 
 		if ((annotation == null) || (extractor.apply(annotation) == null)) {
-			throw new IllegalArgumentException(String.format("Could not resolve domain type of %s!", repositoryInterface));
+			throw new IllegalArgumentException(String.format("Could not resolve domain type of %s", repositoryInterface));
 		}
 
 		return ClassTypeInformation.from(extractor.apply(annotation));

src/main/java/org/springframework/data/repository/core/support/MethodInvocationValidator.java

@@ -40,6 +40,7 @@ import org.springframework.util.ObjectUtils;
  * Supports Kotlin nullability markers and JSR-305 Non-null annotations.
  *
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 2.0
  * @see org.springframework.lang.NonNull
  * @see ReflectionUtils#isNullable(MethodParameter)
@@ -86,7 +87,7 @@ public class MethodInvocationValidator implements MethodInterceptor {
 
 			if (arguments.length < i || arguments[i] == null) {
 				throw new IllegalArgumentException(
-						String.format("Parameter %s in %s.%s must not be null!", nullability.getMethodParameterName(i),
+						String.format("Parameter %s in %s.%s must not be null", nullability.getMethodParameterName(i),
 								ClassUtils.getShortName(method.getDeclaringClass()), method.getName()));
 			}
 		}
@@ -94,7 +95,7 @@ public class MethodInvocationValidator implements MethodInterceptor {
 		Object result = invocation.proceed();
 
 		if (result == null && !nullability.isNullableReturn()) {
-			throw new EmptyResultDataAccessException("Result must not be null!", 1);
+			throw new EmptyResultDataAccessException("Result must not be null", 1);
 		}
 
 		return result;

src/main/java/org/springframework/data/repository/core/support/PersistenceExceptionTranslationRepositoryProxyPostProcessor.java

@@ -26,6 +26,7 @@ import org.springframework.util.Assert;
  * repository proxy.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public class PersistenceExceptionTranslationRepositoryProxyPostProcessor implements RepositoryProxyPostProcessor {
 
@@ -39,7 +40,7 @@ public class PersistenceExceptionTranslationRepositoryProxyPostProcessor impleme
 	 */
 	public PersistenceExceptionTranslationRepositoryProxyPostProcessor(ListableBeanFactory beanFactory) {
 
-		Assert.notNull(beanFactory, "BeanFactory must not be null!");
+		Assert.notNull(beanFactory, "BeanFactory must not be null");
 
 		this.interceptor = new PersistenceExceptionTranslationInterceptor();
 		this.interceptor.setBeanFactory(beanFactory);

src/main/java/org/springframework/data/repository/core/support/QueryExecutorMethodInterceptor.java

@@ -47,6 +47,7 @@ import org.springframework.util.ConcurrentReferenceHashMap;
  * @author Mark Paluch
  * @author Christoph Strobl
  * @author John Blum
+ * @author Johannes Englmeier
  */
 class QueryExecutorMethodInterceptor implements MethodInterceptor {
 
@@ -79,7 +80,7 @@ class QueryExecutorMethodInterceptor implements MethodInterceptor {
 
 			throw new IllegalStateException("You have defined query methods in the repository"
 					+ " but do not have any query lookup strategy defined."
-					+ " The infrastructure apparently does not support query methods!");
+					+ " The infrastructure apparently does not support query methods");
 		}
 
 		this.queries = queryLookupStrategy //

src/main/java/org/springframework/data/repository/core/support/ReactiveRepositoryFactorySupport.java

@@ -34,6 +34,7 @@ import org.springframework.util.ClassUtils;
  *
  * @author Mark Paluch
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.0
  */
 public abstract class ReactiveRepositoryFactorySupport extends RepositoryFactorySupport {
@@ -44,7 +45,7 @@ public abstract class ReactiveRepositoryFactorySupport extends RepositoryFactory
 		if (!ReactiveWrappers.isAvailable()) {
 
 			throw new InvalidDataAccessApiUsageException(
-					String.format("Cannot implement repository %s without reactive library support.",
+					String.format("Cannot implement repository %s without reactive library support",
 							repositoryMetadata.getRepositoryInterface().getName()));
 		}
 
@@ -94,7 +95,7 @@ public abstract class ReactiveRepositoryFactorySupport extends RepositoryFactory
 					&& !ReactiveWrapperConverters.supports(method.getReturnType())) {
 
 				throw new InvalidDataAccessApiUsageException(
-						String.format("No reactive type converter found for type %s used in %s, method %s.",
+						String.format("No reactive type converter found for type %s used in %s, method %s",
 								method.getReturnType().getName(), method.getDeclaringClass().getName(), method));
 			}
 
@@ -104,7 +105,7 @@ public abstract class ReactiveRepositoryFactorySupport extends RepositoryFactory
 					.filter(parameterType -> !ReactiveWrapperConverters.supports(parameterType)) //
 					.forEach(parameterType -> {
 						throw new InvalidDataAccessApiUsageException(
-								String.format("No reactive type converter found for type %s used in %s, method %s.",
+								String.format("No reactive type converter found for type %s used in %s, method %s",
 										parameterType.getName(), method.getDeclaringClass().getName(), method));
 					});
 		}

src/main/java/org/springframework/data/repository/core/support/RepositoryComposition.java

@@ -59,6 +59,7 @@ import org.springframework.util.ReflectionUtils;
  *
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  * @soundtrack Masterboy - Anybody (Fj Gauder Mix)
  * @since 2.0
  * @see RepositoryFragment
@@ -317,7 +318,7 @@ public class RepositoryComposition {
 		fragments.stream().forEach(it -> it.getImplementation() //
 				.orElseThrow(() -> {
 					Class<?> repositoryInterface = metadata != null ? metadata.getRepositoryInterface() : Object.class;
-					return new FragmentNotImplementedException(String.format("Fragment %s used in %s has no implementation.",
+					return new FragmentNotImplementedException(String.format("Fragment %s used in %s has no implementation",
 							ClassUtils.getQualifiedName(it.getSignatureContributor()),
 							ClassUtils.getQualifiedName(repositoryInterface)), repositoryInterface, it);
 				}));

src/main/java/org/springframework/data/repository/core/support/RepositoryFactoryBeanSupport.java

@@ -53,6 +53,7 @@ import org.springframework.util.Assert;
  * @author Oliver Gierke
  * @author Thomas Darimont
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public abstract class RepositoryFactoryBeanSupport<T extends Repository<S, ID>, S, ID>
 		implements InitializingBean, RepositoryFactoryInformation<S, ID>, FactoryBean<T>, BeanClassLoaderAware,
@@ -225,7 +226,7 @@ public abstract class RepositoryFactoryBeanSupport<T extends Repository<S, ID>,
 
 	public PersistentEntity<?, ?> getPersistentEntity() {
 
-		return mappingContext.orElseThrow(() -> new IllegalStateException("No MappingContext available!"))
+		return mappingContext.orElseThrow(() -> new IllegalStateException("No MappingContext available"))
 				.getRequiredPersistentEntity(repositoryMetadata.getDomainType());
 	}
 

src/main/java/org/springframework/data/repository/core/support/RepositoryFactorySupport.java

@@ -80,6 +80,7 @@ import org.springframework.util.ObjectUtils;
  * @author Christoph Strobl
  * @author Jens Schauder
  * @author John Blum
+ * @author Johannes Englmeier
  */
 public abstract class RepositoryFactorySupport implements BeanClassLoaderAware, BeanFactoryAware {
 
@@ -629,7 +630,7 @@ public abstract class RepositoryFactorySupport implements BeanClassLoaderAware,
 				org.springframework.data.repository.util.ClassUtils.unwrapReflectionException(e);
 			}
 
-			throw new IllegalStateException("Should not occur!");
+			throw new IllegalStateException("Should not occur");
 		}
 	}
 
@@ -771,7 +772,7 @@ public abstract class RepositoryFactorySupport implements BeanClassLoaderAware,
 				if (composition.isEmpty()) {
 
 					throw new IncompleteRepositoryCompositionException(
-							String.format("You have custom methods in %s but have not provided a custom implementation!",
+							String.format("You have custom methods in %s but have not provided a custom implementation",
 									org.springframework.util.ClassUtils.getQualifiedName(repositoryInterface)),
 							repositoryInterface);
 				}
@@ -788,7 +789,7 @@ public abstract class RepositoryFactorySupport implements BeanClassLoaderAware,
 
 				if (!containsFragmentImplementation(composition, executorInterface)) {
 					throw new UnsupportedFragmentException(
-							String.format("Repository %s implements %s but %s does not support %s!",
+							String.format("Repository %s implements %s but %s does not support %s",
 									ClassUtils.getQualifiedName(repositoryInterface), ClassUtils.getQualifiedName(executorInterface),
 									ClassUtils.getShortName(source), entry.getValue()),
 							repositoryInterface, executorInterface);

src/main/java/org/springframework/data/repository/init/AbstractRepositoryPopulatorFactoryBean.java

@@ -33,6 +33,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public abstract class AbstractRepositoryPopulatorFactoryBean
 		extends AbstractFactoryBean<ResourceReaderRepositoryPopulator>
@@ -83,7 +84,7 @@ public abstract class AbstractRepositoryPopulatorFactoryBean
 		RepositoryPopulator populator = this.populator;
 
 		if (populator == null) {
-			throw new IllegalStateException("RepositoryPopulator was not properly initialized!");
+			throw new IllegalStateException("RepositoryPopulator was not properly initialized");
 		}
 
 		if (event.getApplicationContext().equals(context)) {

src/main/java/org/springframework/data/repository/init/Jackson2ResourceReader.java

@@ -37,6 +37,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.6
  */
 public class Jackson2ResourceReader implements ResourceReader {
@@ -112,7 +113,7 @@ public class Jackson2ResourceReader implements ResourceReader {
 		JsonNode typeNode = node.findValue(typeKey);
 
 		if (typeNode == null) {
-			throw new IllegalArgumentException(String.format("Could not find type for type key '%s'!", typeKey));
+			throw new IllegalArgumentException(String.format("Could not find type for type key '%s'", typeKey));
 		}
 
 		String typeName = typeNode.asText();

src/main/java/org/springframework/data/repository/init/UnmarshallerRepositoryPopulatorFactoryBean.java

@@ -25,6 +25,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public class UnmarshallerRepositoryPopulatorFactoryBean extends AbstractRepositoryPopulatorFactoryBean {
 
@@ -45,7 +46,7 @@ public class UnmarshallerRepositoryPopulatorFactoryBean extends AbstractReposito
 		Unmarshaller unmarshaller = this.unmarshaller;
 
 		if (unmarshaller == null) {
-			throw new IllegalStateException("No Unmarshaller configured!");
+			throw new IllegalStateException("No Unmarshaller configured");
 		}
 
 		return new UnmarshallingResourceReader(unmarshaller);

src/main/java/org/springframework/data/repository/query/ExtensionAwareQueryMethodEvaluationContextProvider.java

@@ -36,6 +36,7 @@ import org.springframework.util.StringUtils;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Jens Schauder
+ * @author Johannes Englmeier
  * @since 1.9
  */
 public class ExtensionAwareQueryMethodEvaluationContextProvider implements QueryMethodEvaluationContextProvider {
@@ -110,7 +111,7 @@ public class ExtensionAwareQueryMethodEvaluationContextProvider implements Query
 		parameters.stream()//
 				.filter(Parameter::isNamedParameter)//
 				.forEach(it -> variables.put(//
-						it.getName().orElseThrow(() -> new IllegalStateException("Should never occur!")), //
+						it.getName().orElseThrow(() -> new IllegalStateException("Should never occur")), //
 						arguments[it.getIndex()]));
 
 		return variables;

src/main/java/org/springframework/data/repository/query/Parameter.java

@@ -43,6 +43,7 @@ import org.springframework.util.Assert;
  * @author Mark Paluch
  * @author Jens Schauder
  * @author Greg Turnquist
+ * @author Johannes Englmeier
  */
 public class Parameter {
 
@@ -213,7 +214,7 @@ public class Parameter {
 		Method method = parameter.getMethod();
 
 		if (method == null) {
-			throw new IllegalStateException(String.format("Method parameter %s is not backed by a method!", parameter));
+			throw new IllegalStateException(String.format("Method parameter %s is not backed by a method", parameter));
 		}
 
 		ClassTypeInformation<?> ownerType = ClassTypeInformation.from(parameter.getDeclaringClass());

src/main/java/org/springframework/data/repository/query/Parameters.java

@@ -37,6 +37,7 @@ import org.springframework.util.Assert;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public abstract class Parameters<S extends Parameters<S, T>, T extends Parameter> implements Streamable<T> {
 
@@ -236,7 +237,7 @@ public abstract class Parameters<S extends Parameters<S, T>, T extends Parameter
 			return parameters.get(index);
 		} catch (IndexOutOfBoundsException e) {
 			throw new ParameterOutOfBoundsException(
-					"Invalid parameter index! You seem to have declared too little query method parameters!", e);
+					"Invalid parameter index! You seem to have declared too little query method parameters", e);
 		}
 	}
 

src/main/java/org/springframework/data/repository/query/QueryMethod.java

@@ -44,6 +44,7 @@ import org.springframework.util.Assert;
  * @author Christoph Strobl
  * @author Maciek Opała
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class QueryMethod {
 
@@ -285,7 +286,7 @@ public class QueryMethod {
 
 			if (componentType == null) {
 				throw new IllegalStateException(
-						String.format("Couldn't find component type for return value of method %s!", method));
+						String.format("Couldn't find component type for return value of method %s", method));
 			}
 
 			return componentType.getType();
@@ -311,6 +312,6 @@ public class QueryMethod {
 			}
 		}
 
-		throw new IllegalStateException("Method has to have one of the following return types! " + types);
+		throw new IllegalStateException("Method has to have one of the following return types" + types);
 	}
 }

src/main/java/org/springframework/data/repository/query/parser/AbstractQueryCreator.java

@@ -33,6 +33,7 @@ import org.springframework.util.Assert;
  * @author Oliver Gierke
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public abstract class AbstractQueryCreator<T, S> {
 
@@ -112,7 +113,7 @@ public abstract class AbstractQueryCreator<T, S> {
 			Iterator<Part> parts = node.iterator();
 
 			if (!parts.hasNext()) {
-				throw new IllegalStateException(String.format("No part found in PartTree %s!", tree));
+				throw new IllegalStateException(String.format("No part found in PartTree %s", tree));
 			}
 
 			S criteria = create(parts.next(), iterator);

src/main/java/org/springframework/data/repository/query/parser/PartTree.java

@@ -42,6 +42,7 @@ import org.springframework.util.StringUtils;
  * @author Christoph Strobl
  * @author Mark Paluch
  * @author Shaun Chyxion
+ * @author Johannes Englmeier
  */
 public class PartTree implements Streamable<OrPart> {
 
@@ -363,7 +364,7 @@ public class PartTree implements Streamable<OrPart> {
 			String[] parts = split(detectAndSetAllIgnoreCase(predicate), ORDER_BY);
 
 			if (parts.length > 2) {
-				throw new IllegalArgumentException("OrderBy must not be used more than once in a method name!");
+				throw new IllegalArgumentException("OrderBy must not be used more than once in a method name");
 			}
 
 			this.nodes = Arrays.stream(split(parts[0], "Or")) //

src/main/java/org/springframework/data/repository/support/DomainClassConverter.java

@@ -43,6 +43,7 @@ import org.springframework.util.StringUtils;
  * @author Oliver Gierke
  * @author Thomas Darimont
  * @author Alessandro Nistico
+ * @author Johannes Englmeier
  */
 public class DomainClassConverter<T extends ConversionService & ConverterRegistry>
 		implements ConditionalGenericConverter, ApplicationContextAware {
@@ -178,7 +179,7 @@ public class DomainClassConverter<T extends ConversionService & ConverterRegistr
 				return sourceType.equals(idTypeDescriptor)
 						|| conversionService.canConvert(sourceType, idTypeDescriptor);
 			}).orElseThrow(
-					() -> new IllegalStateException(String.format("Couldn't find RepositoryInformation for %s!", domainType)));
+					() -> new IllegalStateException(String.format("Couldn't find RepositoryInformation for %s", domainType)));
 		}
 	}
 
@@ -247,7 +248,7 @@ public class DomainClassConverter<T extends ConversionService & ConverterRegistr
 						|| conversionService.canConvert(idTypeDescriptor, targetType);
 
 			}).orElseThrow(
-					() -> new IllegalStateException(String.format("Couldn't find RepositoryInformation for %s!", domainType)));
+					() -> new IllegalStateException(String.format("Couldn't find RepositoryInformation for %s", domainType)));
 		}
 	}
 }

src/main/java/org/springframework/data/repository/support/QueryMethodParameterConversionException.java

@@ -23,6 +23,7 @@ import org.springframework.util.Assert;
  * Exception to represent a failed attempt to convert a source value into a query method parameter.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @soundtrack Dave Matthews Band - The Dreaming Tree (DMB 2009-2018 Europe)
  * @since 1.11
  */
@@ -43,10 +44,10 @@ public class QueryMethodParameterConversionException extends RuntimeException {
 	 */
 	public QueryMethodParameterConversionException(Object source, MethodParameter parameter, ConversionException cause) {
 
-		super(String.format("Failed to convert %s into %s!", source, parameter.getParameterType().getName()), cause);
+		super(String.format("Failed to convert %s into %s", source, parameter.getParameterType().getName()), cause);
 
-		Assert.notNull(parameter, "Method parameter must not be null!");
-		Assert.notNull(cause, "ConversionException must not be null!");
+		Assert.notNull(parameter, "Method parameter must not be null");
+		Assert.notNull(cause, "ConversionException must not be null");
 
 		this.parameter = parameter;
 		this.source = source;

src/main/java/org/springframework/data/repository/support/ReflectionRepositoryInvoker.java

@@ -43,6 +43,7 @@ import org.springframework.util.StringUtils;
  *
  * @author Oliver Gierke
  * @author Alessandro Nistico
+ * @author Johannes Englmeier
  * @since 1.10
  */
 class ReflectionRepositoryInvoker implements RepositoryInvoker {
@@ -101,7 +102,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 	public <T> T invokeSave(T object) {
 
 		Method method = methods.getSaveMethod()//
-				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a save-method declared!"));
+				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a save-method declared"));
 
 		return invokeForNonNullResult(method, object);
 	}
@@ -115,7 +116,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 	public <T> Optional<T> invokeFindById(Object id) {
 
 		Method method = methods.getFindOneMethod()//
-				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a find-one-method declared!"));
+				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a find-one-method declared"));
 
 		return returnAsOptional(invoke(method, convertId(id)));
 	}
@@ -131,7 +132,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 		Assert.notNull(id, "Identifier must not be null!");
 
 		Method method = methods.getDeleteMethod()
-				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a delete-method declared!"));
+				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a delete-method declared"));
 
 		if (method.getName().endsWith("ById")) {
 			invoke(method, convertId(id));
@@ -224,7 +225,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 		T result = invoke(method, arguments);
 
 		if (result == null) {
-			throw new IllegalStateException(String.format("Invocation of method %s(%s) on %s unexpectedly returned null!",
+			throw new IllegalStateException(String.format("Invocation of method %s(%s) on %s unexpectedly returned null",
 					method, Arrays.toString(arguments), repository));
 		}
 
@@ -258,7 +259,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 
 		if (result == null) {
 			throw new IllegalStateException(
-					String.format("Identifier conversion of %s to %s unexpectedly returned null!", id,
+					String.format("Identifier conversion of %s to %s unexpectedly returned null", id,
 							idTypeDescriptor.getType()));
 		}
 
@@ -268,7 +269,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 	protected Iterable<Object> invokeFindAllReflectively(Pageable pageable) {
 
 		Method method = methods.getFindAllMethod()
-				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a find-all-method declared!"));
+				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a find-all-method declared"));
 
 		if (method.getParameterCount() == 0) {
 			return invokeForNonNullResult(method);
@@ -286,7 +287,7 @@ class ReflectionRepositoryInvoker implements RepositoryInvoker {
 	protected Iterable<Object> invokeFindAllReflectively(Sort sort) {
 
 		Method method = methods.getFindAllMethod()
-				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a find-all-method declared!"));
+				.orElseThrow(() -> new IllegalStateException("Repository doesn't have a find-all-method declared"));
 
 		if (method.getParameterCount() == 0) {
 			return invokeForNonNullResult(method);

src/main/java/org/springframework/data/repository/support/Repositories.java

@@ -49,6 +49,7 @@ import org.springframework.util.ConcurrentLruCache;
  * @author Thomas Eizinger
  * @author Christoph Strobl
  * @author Alessandro Nistico
+ * @author Johannes Englmeier
  */
 public class Repositories implements Iterable<Class<?>> {
 
@@ -223,7 +224,7 @@ public class Repositories implements Iterable<Class<?>> {
 	public RepositoryInformation getRequiredRepositoryInformation(Class<?> domainType) {
 
 		return getRepositoryInformationFor(domainType).orElseThrow(() -> new IllegalArgumentException(
-				"No required RepositoryInformation found for domain type " + domainType.getName() + "!"));
+				"No required RepositoryInformation found for domain type " + domainType.getName()));
 	}
 
 	/**

src/main/java/org/springframework/data/repository/util/ClassUtils.java

@@ -35,6 +35,7 @@ import org.springframework.util.StringUtils;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public abstract class ClassUtils {
 
@@ -146,7 +147,7 @@ public abstract class ClassUtils {
 		Arrays.stream(types)//
 				.filter(it -> it.isAssignableFrom(returnType.getType()))//
 				.findAny().orElseThrow(() -> new IllegalStateException(
-						"Method has to have one of the following return types! " + Arrays.toString(types)));
+						"Method has to have one of the following return types " + Arrays.toString(types)));
 	}
 
 	/**

src/main/java/org/springframework/data/spel/spi/Function.java

@@ -34,6 +34,7 @@ import org.springframework.util.Assert;
  * @author Thomas Darimont
  * @author Oliver Gierke
  * @author Jens Schauder
+ * @author Johannes Englmeier
  * @since 1.9
  */
 public class Function {
@@ -107,7 +108,7 @@ public class Function {
 			return method.invoke(target, argumentsToUse.size() == 1 ? argumentsToUse.get(0) : argumentsToUse.toArray());
 		}
 
-		throw new IllegalStateException(String.format("Could not invoke method %s for arguments %s!", method, arguments));
+		throw new IllegalStateException(String.format("Could not invoke method %s for arguments %s", method, arguments));
 	}
 
 	/**

src/main/java/org/springframework/data/support/PersistableIsNewStrategy.java

@@ -22,6 +22,7 @@ import org.springframework.util.Assert;
  * {@link IsNewStrategy} that invokes {@link Persistable#isNew()} on the given object.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public enum PersistableIsNewStrategy implements IsNewStrategy {
 
@@ -34,7 +35,7 @@ public enum PersistableIsNewStrategy implements IsNewStrategy {
 
 		if (!(entity instanceof Persistable)) {
 			throw new IllegalArgumentException(
-					String.format("Given object of type %s does not implement %s!", entity.getClass(), Persistable.class));
+					String.format("Given object of type %s does not implement %s", entity.getClass(), Persistable.class));
 		}
 
 		return ((Persistable<?>) entity).isNew();

src/main/java/org/springframework/data/util/AnnotatedTypeScanner.java

@@ -36,6 +36,7 @@ import org.springframework.util.ClassUtils;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public class AnnotatedTypeScanner implements ResourceLoaderAware, EnvironmentAware {
 
@@ -111,7 +112,7 @@ public class AnnotatedTypeScanner implements ResourceLoaderAware, EnvironmentAwa
 
 				if (beanClassName == null) {
 					throw new IllegalStateException(
-							String.format("Unable to obtain bean class name from bean definition %s!", definition));
+							String.format("Unable to obtain bean class name from bean definition %s", definition));
 				}
 
 				try {

src/main/java/org/springframework/data/util/AnnotationDetectionFieldCallback.java

@@ -31,6 +31,7 @@ import org.springframework.util.ReflectionUtils.FieldCallback;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class AnnotationDetectionFieldCallback implements FieldCallback {
 
@@ -81,7 +82,7 @@ public class AnnotationDetectionFieldCallback implements FieldCallback {
 		Field field = this.field;
 
 		if (field == null) {
-			throw new IllegalStateException(String.format("No field found for annotation %s!", annotationType));
+			throw new IllegalStateException(String.format("No field found for annotation %s", annotationType));
 		}
 
 		return field;

src/main/java/org/springframework/data/util/AnnotationDetectionMethodCallback.java

@@ -30,6 +30,7 @@ import org.springframework.util.ReflectionUtils.MethodCallback;
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 public class AnnotationDetectionMethodCallback<A extends Annotation> implements MethodCallback {
 
@@ -83,7 +84,7 @@ public class AnnotationDetectionMethodCallback<A extends Annotation> implements
 		Method method = this.foundMethod;
 
 		if (method == null) {
-			throw new IllegalStateException(String.format("No method with annotation %s found!", annotationType));
+			throw new IllegalStateException(String.format("No method with annotation %s found", annotationType));
 		}
 
 		return method;

src/main/java/org/springframework/data/util/DirectFieldAccessFallbackBeanWrapper.java

@@ -29,6 +29,7 @@ import org.springframework.lang.Nullable;
  * wrapped does not use accessor methods.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  */
 public class DirectFieldAccessFallbackBeanWrapper extends BeanWrapperImpl {
 
@@ -52,7 +53,7 @@ public class DirectFieldAccessFallbackBeanWrapper extends BeanWrapperImpl {
 
 			if (field == null) {
 				throw new NotReadablePropertyException(getWrappedClass(), propertyName,
-						"Could not find field for property during fallback access!");
+						"Could not find field for property during fallback access");
 			}
 
 			makeAccessible(field);
@@ -71,7 +72,7 @@ public class DirectFieldAccessFallbackBeanWrapper extends BeanWrapperImpl {
 
 			if (field == null) {
 				throw new NotWritablePropertyException(getWrappedClass(), propertyName,
-						"Could not find field for property during fallback access!", e);
+						"Could not find field for property during fallback access", e);
 			}
 
 			makeAccessible(field);

src/main/java/org/springframework/data/util/KotlinReflectionUtils.java

@@ -41,6 +41,7 @@ import org.springframework.lang.Nullable;
  *
  * @author Mark Paluch
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  * @since 2.3
  * @see org.springframework.core.KotlinDetector#isKotlinReflectPresent()
  */
@@ -125,7 +126,7 @@ public final class KotlinReflectionUtils {
 		KFunction<?> kotlinFunction = KotlinReflectionUtils.findKotlinFunction(method);
 
 		if (kotlinFunction == null) {
-			throw new IllegalArgumentException(String.format("Cannot resolve %s to a KFunction!", method));
+			throw new IllegalArgumentException(String.format("Cannot resolve %s to a KFunction", method));
 		}
 
 		return JvmClassMappingKt.getJavaClass(KTypesJvm.getJvmErasure(kotlinFunction.getReturnType()));
@@ -143,13 +144,13 @@ public final class KotlinReflectionUtils {
 		Method method = parameter.getMethod();
 
 		if (method == null) {
-			throw new IllegalStateException(String.format("Cannot obtain method from parameter %s!", parameter));
+			throw new IllegalStateException(String.format("Cannot obtain method from parameter %s", parameter));
 		}
 
 		KFunction<?> kotlinFunction = findKotlinFunction(method);
 
 		if (kotlinFunction == null) {
-			throw new IllegalArgumentException(String.format("Cannot resolve %s to a Kotlin function!", parameter));
+			throw new IllegalArgumentException(String.format("Cannot resolve %s to a Kotlin function", parameter));
 		}
 
 		// Special handling for Coroutines

src/main/java/org/springframework/data/util/Lazy.java

@@ -31,6 +31,7 @@ import org.springframework.util.ObjectUtils;
  * @author Oliver Gierke
  * @author Mark Paluch
  * @author Henning Rohlfs
+ * @author Johannes Englmeier
  * @since 2.0
  */
 public class Lazy<T> implements Supplier<T> {
@@ -112,7 +113,7 @@ public class Lazy<T> implements Supplier<T> {
 		T value = getNullable();
 
 		if (value == null) {
-			throw new IllegalStateException("Expected lazy evaluation to yield a non-null value but got null!");
+			throw new IllegalStateException("Expected lazy evaluation to yield a non-null value but got null");
 		}
 
 		return value;

src/main/java/org/springframework/data/util/MethodInvocationRecorder.java

@@ -40,6 +40,7 @@ import org.springframework.util.StringUtils;
  * API to record method invocations via method references on a proxy.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 2.2
  * @soundtrack The Intersphere - Don't Think Twice (The Grand Delusion)
  */
@@ -203,7 +204,7 @@ public class MethodInvocationRecorder {
 					.map(it -> it.getPropertyName(invokedMethod)) //
 					.findFirst() //
 					.orElseThrow(() -> new IllegalArgumentException(
-							String.format("No property name found for method %s!", invokedMethod)));
+							String.format("No property name found for method %s", invokedMethod)));
 		}
 
 		public Recorded<?> getRecorded() {

src/main/java/org/springframework/data/util/ReflectionUtils.java

@@ -43,6 +43,7 @@ import org.springframework.util.ReflectionUtils.FieldFilter;
  * @author Thomas Darimont
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @since 1.5
  */
 public final class ReflectionUtils {
@@ -223,7 +224,7 @@ public final class ReflectionUtils {
 		Field result = org.springframework.util.ReflectionUtils.findField(type, name);
 
 		if (result == null) {
-			throw new IllegalArgumentException(String.format("Unable to find field %s on %s!", name, type));
+			throw new IllegalArgumentException(String.format("Unable to find field %s on %s", name, type));
 		}
 
 		return result;
@@ -440,7 +441,7 @@ public final class ReflectionUtils {
 			return Boolean.FALSE;
 		}
 
-		throw new IllegalArgumentException(String.format("Primitive type %s not supported!", type));
+		throw new IllegalArgumentException(String.format("Primitive type %s not supported", type));
 	}
 
 	/**

src/main/java/org/springframework/data/util/TypeDiscoverer.java

@@ -51,6 +51,7 @@ import org.springframework.util.ReflectionUtils;
  * @author Mark Paluch
  * @author Jürgen Diez
  * @author Alessandro Nistico
+ * @author Johannes Englmeier
  */
 class TypeDiscoverer<S> implements TypeInformation<S> {
 
@@ -415,7 +416,7 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 
 		TypeInformation<?> superTypeInformation = target.getSuperTypeInformation(getType());
 
-		return superTypeInformation == null ? false : superTypeInformation.equals(this);
+		return superTypeInformation != null && superTypeInformation.equals(this);
 	}
 
 	@Override

src/main/java/org/springframework/data/util/TypeInformation.java

@@ -29,6 +29,7 @@ import org.springframework.lang.Nullable;
  * @author Oliver Gierke
  * @author Mark Paluch
  * @author Alessandro Nistico
+ * @author Johannes Englmeier
  */
 public interface TypeInformation<S> {
 
@@ -68,7 +69,7 @@ public interface TypeInformation<S> {
 		}
 
 		throw new IllegalArgumentException(
-				String.format("Could not find required property %s on %s!", property, getType()));
+				String.format("Could not find required property %s on %s", property, getType()));
 	}
 
 	/**
@@ -105,7 +106,7 @@ public interface TypeInformation<S> {
 			return componentType;
 		}
 
-		throw new IllegalStateException(String.format("Can't resolve required component type for %s!", getType()));
+		throw new IllegalStateException(String.format("Can't resolve required component type for %s", getType()));
 	}
 
 	/**
@@ -141,7 +142,7 @@ public interface TypeInformation<S> {
 			return mapValueType;
 		}
 
-		throw new IllegalStateException(String.format("Can't resolve required map value type for %s!", getType()));
+		throw new IllegalStateException(String.format("Can't resolve required map value type for %s", getType()));
 	}
 
 	/**
@@ -197,7 +198,7 @@ public interface TypeInformation<S> {
 
 		if (result == null) {
 			throw new IllegalStateException(
-					"Expected to be able to resolve a type but got null! This usually stems from types implementing raw Map or Collection interfaces!");
+					"Expected to be able to resolve a type but got null! This usually stems from types implementing raw Map or Collection interfaces");
 		}
 
 		return result;
@@ -244,7 +245,7 @@ public interface TypeInformation<S> {
 
 		if (result == null) {
 			throw new IllegalArgumentException(String.format(
-					"Can't retrieve super type information for %s! Does current type really implement the given one?",
+					"Can't retrieve super type information for %s! Does current type really implement the given one",
 					superType));
 		}
 

src/main/java/org/springframework/data/web/MapDataBinder.java

@@ -51,6 +51,7 @@ import org.springframework.web.bind.WebDataBinder;
  * A {@link WebDataBinder} that automatically binds all properties exposed in the given type using a {@link Map}.
  *
  * @author Oliver Gierke
+ * @author Johannes Englmeier
  * @since 1.10
  */
 class MapDataBinder extends WebDataBinder {
@@ -80,7 +81,7 @@ class MapDataBinder extends WebDataBinder {
 		Object target = super.getTarget();
 
 		if (target == null) {
-			throw new IllegalStateException("Target bean should never be null!");
+			throw new IllegalStateException("Target bean should never be null");
 		}
 
 		return (Map<String, Object>) target;
@@ -96,6 +97,7 @@ class MapDataBinder extends WebDataBinder {
 	 * deeply nested Map structures.
 	 *
 	 * @author Oliver Gierke
+	 * @author Johannes Englmeier
 	 * @since 1.10
 	 */
 	private static class MapPropertyAccessor extends AbstractPropertyAccessor {
@@ -160,7 +162,7 @@ class MapDataBinder extends WebDataBinder {
 						leafProperty.getSegment());
 
 				if (descriptor == null) {
-					throw new IllegalStateException(String.format("Couldn't find PropertyDescriptor for %s on %s!",
+					throw new IllegalStateException(String.format("Couldn't find PropertyDescriptor for %s on %s",
 							leafProperty.getSegment(), owningType.getType()));
 				}
 
@@ -186,7 +188,7 @@ class MapDataBinder extends WebDataBinder {
 			try {
 				expression.setValue(context, value);
 			} catch (SpelEvaluationException o_O) {
-				throw new NotWritablePropertyException(type, propertyName, "Could not write property!", o_O);
+				throw new NotWritablePropertyException(type, propertyName, "Could not write property", o_O);
 			}
 		}
 

src/main/java/org/springframework/data/web/PagedResourcesAssemblerArgumentResolver.java

@@ -41,6 +41,7 @@ import org.springframework.web.method.support.ModelAndViewContainer;
  * @author Oliver Gierke
  * @author Nick Williams
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  */
 public class PagedResourcesAssemblerArgumentResolver implements HandlerMethodArgumentResolver {
 
@@ -93,7 +94,7 @@ public class PagedResourcesAssemblerArgumentResolver implements HandlerMethodArg
 		Method method = parameter.getMethod();
 
 		if (method == null) {
-			throw new IllegalArgumentException(String.format("Could not obtain method from parameter %s!", parameter));
+			throw new IllegalArgumentException(String.format("Could not obtain method from parameter %s", parameter));
 		}
 
 		MethodParameters parameters = MethodParameters.of(method);

src/main/java/org/springframework/data/web/SortHandlerMethodArgumentResolverSupport.java

@@ -40,6 +40,7 @@ import org.springframework.util.StringUtils;
  * @see ReactiveSortHandlerMethodArgumentResolver
  * @author Mark Paluch
  * @author Vedran Pavic
+ * @author Johannes Englmeier
  */
 public abstract class SortHandlerMethodArgumentResolverSupport {
 
@@ -125,7 +126,7 @@ public abstract class SortHandlerMethodArgumentResolverSupport {
 
 		if (annotatedDefault != null && annotatedDefaults != null) {
 			throw new IllegalArgumentException(
-					String.format("Cannot use both @%s and @%s on parameter %s! Move %s into %s to define sorting order!",
+					String.format("Cannot use both @%s and @%s on parameter %s! Move %s into %s to define sorting order",
 							SORT_DEFAULTS_NAME, SORT_DEFAULT_NAME, parameter.toString(), SORT_DEFAULT_NAME, SORT_DEFAULTS_NAME));
 		}
 
@@ -273,7 +274,7 @@ public abstract class SortHandlerMethodArgumentResolverSupport {
 				builder = new ExpressionBuilder(direction);
 			} else if (!builder.hasSameDirectionAs(order)) {
 				throw new IllegalArgumentException(String.format(
-						"%s in legacy configuration only supports a single direction to sort by!", getClass().getSimpleName()));
+						"%s in legacy configuration only supports a single direction to sort by", getClass().getSimpleName()));
 			}
 
 			builder.add(order.getProperty());

src/main/java/org/springframework/data/web/SpringDataAnnotationUtils.java

@@ -35,6 +35,7 @@ import org.springframework.util.ObjectUtils;
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  */
 abstract class SpringDataAnnotationUtils {
 
@@ -50,7 +51,7 @@ abstract class SpringDataAnnotationUtils {
 		Method method = parameter.getMethod();
 
 		if (method == null) {
-			throw new IllegalArgumentException(String.format("Method parameter %s is not backed by a method.", parameter));
+			throw new IllegalArgumentException(String.format("Method parameter %s is not backed by a method", parameter));
 		}
 
 		if (containsMoreThanOnePageableParameter(method)) {
@@ -102,7 +103,7 @@ abstract class SpringDataAnnotationUtils {
 				: propertyValue;
 
 		if (result == null) {
-			throw new IllegalStateException("Exepected to be able to look up an annotation property value but failed!");
+			throw new IllegalStateException("Exepected to be able to look up an annotation property value but failed");
 		}
 
 		return (T) result;
@@ -151,7 +152,7 @@ abstract class SpringDataAnnotationUtils {
 				}
 
 				if (values.contains(qualifier.value())) {
-					throw new IllegalStateException("Values of the user Qualifiers must be unique!");
+					throw new IllegalStateException("Values of the user Qualifiers must be unique");
 				}
 
 				values.add(qualifier.value());

src/main/java/org/springframework/data/web/XmlBeamHttpMessageConverter.java

@@ -42,6 +42,7 @@ import org.xmlbeam.config.DefaultXMLFactoriesConfig;
  *
  * @author Oliver Gierke
  * @author Christoph Strobl
+ * @author Johannes Englmeier
  * @see <a href="https://www.xmlbeam.org">https://www.xmlbeam.org</a>
  * @soundtrack Dr. Kobayashi Maru & The Mothership Connection - Anthem (EPisode One)
  */
@@ -121,7 +122,7 @@ public class XmlBeamHttpMessageConverter extends AbstractHttpMessageConverter<Ob
 			Throwable cause = o_O.getCause();
 
 			if (SAXParseException.class.isInstance(cause)) {
-				throw new HttpMessageNotReadableException("Cannot read input message!", cause, inputMessage);
+				throw new HttpMessageNotReadableException("Cannot read input message", cause, inputMessage);
 			} else {
 				throw o_O;
 			}

src/main/java/org/springframework/data/web/config/ProjectingArgumentResolverRegistrar.java

@@ -39,6 +39,7 @@ import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandl
  *
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Johannes Englmeier
  * @soundtrack Apparat With Soap & Skin - Goodbye (Dark Theme Song - https://www.youtube.com/watch?v=66VnOdk6oto)
  */
 @Configuration(proxyBeanMethods = false)
@@ -111,7 +112,7 @@ public class ProjectingArgumentResolverRegistrar {
 
 			if (currentResolvers == null) {
 				throw new IllegalStateException(
-						String.format("No HandlerMethodArgumentResolvers found in RequestMappingHandlerAdapter %s!", beanName));
+						String.format("No HandlerMethodArgumentResolvers found in RequestMappingHandlerAdapter %s", beanName));
 			}
 
 			List<HandlerMethodArgumentResolver> newResolvers = new ArrayList<HandlerMethodArgumentResolver>(

src/main/java/org/springframework/data/web/querydsl/QuerydslPredicateArgumentResolverSupport.java

@@ -45,6 +45,7 @@ import com.querydsl.core.types.Predicate;
  * @author Christoph Strobl
  * @author Oliver Gierke
  * @author Matías Hermosilla
+ * @author Johannes Englmeier
  * @since 2.5
  */
 public abstract class QuerydslPredicateArgumentResolverSupport {
@@ -83,7 +84,7 @@ public abstract class QuerydslPredicateArgumentResolverSupport {
 		MergedAnnotations annotations = MergedAnnotations.from(parameter.getParameter());
 
 		if (annotations.isPresent(QuerydslPredicate.class)) {
-			throw new IllegalArgumentException(String.format("Parameter at position %s must be of type Predicate but was %s.",
+			throw new IllegalArgumentException(String.format("Parameter at position %s must be of type Predicate but was %s",
 					parameter.getParameterIndex(), parameter.getParameterType()));
 		}
 
@@ -143,7 +144,7 @@ public abstract class QuerydslPredicateArgumentResolverSupport {
 		Method method = parameter.getMethod();
 
 		if (method == null) {
-			throw new IllegalArgumentException("Method parameter is not backed by a method!");
+			throw new IllegalArgumentException("Method parameter is not backed by a method");
 		}
 
 		return detectDomainType(ClassTypeInformation.fromReturnTypeOf(method));
@@ -158,7 +159,7 @@ public abstract class QuerydslPredicateArgumentResolverSupport {
 		TypeInformation<?> actualType = source.getActualType();
 
 		if (actualType == null) {
-			throw new IllegalArgumentException(String.format("Could not determine domain type from %s!", source));
+			throw new IllegalArgumentException(String.format("Could not determine domain type from %s", source));
 		}
 
 		if (source != actualType) {