Include more information in NoSuchBeanDefinition failure analysis

Closes gh-13594

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/diagnostics/analyzer/NoSuchBeanDefinitionFailureAnalyzer.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.autoconfigure.diagnostics.analyzer;
 
+import java.lang.annotation.Annotation;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -30,6 +31,7 @@ import org.springframework.beans.factory.BeanFactory;
 import org.springframework.beans.factory.BeanFactoryAware;
 import org.springframework.beans.factory.BeanFactoryUtils;
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.UnsatisfiedDependencyException;
 import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
@@ -89,11 +91,23 @@ class NoSuchBeanDefinitionFailureAnalyzer
 		message.append(String.format("%s required %s that could not be found.%n",
 				(description != null) ? description : "A component",
 				getBeanDescription(cause)));
-		for (AutoConfigurationResult result : autoConfigurationResults) {
-			message.append(String.format("\t- %s%n", result));
+		List<Annotation> injectionAnnotations = findInjectionAnnotations(rootFailure);
+		if (!injectionAnnotations.isEmpty()) {
+			message.append(String
+					.format("%nThe injection point has the following annotations:%n"));
+			for (Annotation injectionAnnotation : injectionAnnotations) {
+				message.append(String.format("\t- %s%n", injectionAnnotation));
+			}
 		}
-		for (UserConfigurationResult result : userConfigurationResults) {
-			message.append(String.format("\t- %s%n", result));
+		if (!autoConfigurationResults.isEmpty() || !userConfigurationResults.isEmpty()) {
+			message.append(String.format(
+					"%nThe following candidates were found but could not be injected:%n"));
+			for (AutoConfigurationResult result : autoConfigurationResults) {
+				message.append(String.format("\t- %s%n", result));
+			}
+			for (UserConfigurationResult result : userConfigurationResults) {
+				message.append(String.format("\t- %s%n", result));
+			}
 		}
 		String action = String.format("Consider %s %s in your configuration.",
 				(!autoConfigurationResults.isEmpty()
@@ -172,7 +186,7 @@ class NoSuchBeanDefinitionFailureAnalyzer
 			if (!conditionAndOutcome.getOutcome().isMatch()) {
 				for (MethodMetadata method : methods) {
 					results.add(new AutoConfigurationResult(method,
-							conditionAndOutcome.getOutcome(), source.isMethod()));
+							conditionAndOutcome.getOutcome()));
 				}
 			}
 		}
@@ -187,11 +201,21 @@ class NoSuchBeanDefinitionFailureAnalyzer
 				String message = String.format("auto-configuration '%s' was excluded",
 						ClassUtils.getShortName(excludedClass));
 				results.add(new AutoConfigurationResult(method,
-						new ConditionOutcome(false, message), false));
+						new ConditionOutcome(false, message)));
 			}
 		}
 	}
 
+	private List<Annotation> findInjectionAnnotations(Throwable failure) {
+		UnsatisfiedDependencyException unsatisfiedDependencyException = findCause(failure,
+				UnsatisfiedDependencyException.class);
+		if (unsatisfiedDependencyException == null) {
+			return Collections.emptyList();
+		}
+		return Arrays.asList(
+				unsatisfiedDependencyException.getInjectionPoint().getAnnotations());
+	}
+
 	private class Source {
 
 		private final String className;
@@ -212,10 +236,6 @@ class NoSuchBeanDefinitionFailureAnalyzer
 			return this.methodName;
 		}
 
-		public boolean isMethod() {
-			return this.methodName != null;
-		}
-
 	}
 
 	private class BeanMethods implements Iterable<MethodMetadata> {
@@ -303,26 +323,17 @@ class NoSuchBeanDefinitionFailureAnalyzer
 
 		private final ConditionOutcome conditionOutcome;
 
-		private final boolean methodEvaluated;
-
 		AutoConfigurationResult(MethodMetadata methodMetadata,
-				ConditionOutcome conditionOutcome, boolean methodEvaluated) {
+				ConditionOutcome conditionOutcome) {
 			this.methodMetadata = methodMetadata;
 			this.conditionOutcome = conditionOutcome;
-			this.methodEvaluated = methodEvaluated;
 		}
 
 		@Override
 		public String toString() {
-			if (this.methodEvaluated) {
-				return String.format("Bean method '%s' in '%s' not loaded because %s",
-						this.methodMetadata.getMethodName(),
-						ClassUtils.getShortName(
-								this.methodMetadata.getDeclaringClassName()),
-						this.conditionOutcome.getMessage());
-			}
-			return String.format("Bean method '%s' not loaded because %s",
+			return String.format("Bean method '%s' in '%s' not loaded because %s",
 					this.methodMetadata.getMethodName(),
+					ClassUtils.getShortName(this.methodMetadata.getDeclaringClassName()),
 					this.conditionOutcome.getMessage());
 		}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/diagnostics/analyzer/NoSuchBeanDefinitionFailureAnalyzerTests.java

@@ -27,6 +27,7 @@ import org.springframework.beans.DirectFieldAccessor;
 import org.springframework.beans.FatalBeanException;
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.beans.factory.NoUniqueBeanDefinitionException;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionEvaluationReport;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
@@ -127,7 +128,7 @@ public class NoSuchBeanDefinitionFailureAnalyzerTests {
 		assertDescriptionConstructorMissingType(analysis, StringHandler.class, 0,
 				String.class);
 		assertClassDisabled(analysis, "did not find required class 'com.example.FooBar'",
-				"string");
+				"string", ClassUtils.getShortName(TestTypeClassAutoConfiguration.class));
 		assertActionMissingType(analysis, String.class);
 	}
 
@@ -142,7 +143,7 @@ public class NoSuchBeanDefinitionFailureAnalyzerTests {
 				.getShortName(TestPropertyAutoConfiguration.class.getName());
 		assertClassDisabled(analysis,
 				String.format("auto-configuration '%s' was excluded", configClass),
-				"string");
+				"string", ClassUtils.getShortName(TestPropertyAutoConfiguration.class));
 		assertActionMissingType(analysis, String.class);
 	}
 
@@ -156,7 +157,7 @@ public class NoSuchBeanDefinitionFailureAnalyzerTests {
 				"did not find property 'spring.string.enabled'",
 				TestPropertyAutoConfiguration.class, "string");
 		assertClassDisabled(analysis, "did not find required class 'com.example.FooBar'",
-				"string");
+				"string", ClassUtils.getShortName(TestPropertyAutoConfiguration.class));
 		assertActionMissingType(analysis, String.class);
 	}
 
@@ -195,6 +196,14 @@ public class NoSuchBeanDefinitionFailureAnalyzerTests {
 		assertActionMissingType(analysis, String.class);
 	}
 
+	@Test
+	public void failureAnalysisForUnmatchedQualfier() {
+		FailureAnalysis analysis = analyzeFailure(
+				createFailure(QualifiedBeanConfiguration.class));
+		assertThat(analysis.getDescription()).contains(
+				"@org.springframework.beans.factory.annotation.Qualifier(value=alpha)");
+	}
+
 	private void assertDescriptionConstructorMissingType(FailureAnalysis analysis,
 			Class<?> component, int index, Class<?> type) {
 		String expected = String.format(
@@ -227,9 +236,9 @@ public class NoSuchBeanDefinitionFailureAnalyzerTests {
 	}
 
 	private void assertClassDisabled(FailureAnalysis analysis, String description,
-			String methodName) {
-		String expected = String.format("Bean method '%s' not loaded because",
-				methodName);
+			String methodName, String className) {
+		String expected = String.format("Bean method '%s' in '%s' not loaded because",
+				methodName, className);
 		assertThat(analysis.getDescription()).contains(expected);
 		assertThat(analysis.getDescription()).contains(description);
 	}
@@ -380,6 +389,25 @@ public class NoSuchBeanDefinitionFailureAnalyzerTests {
 
 	}
 
+	@Configuration
+	public static class QualifiedBeanConfiguration {
+
+		@Bean
+		public String consumer(@Qualifier("alpha") Thing thing) {
+			return "consumer";
+		}
+
+		@Bean
+		public Thing producer() {
+			return new Thing();
+		}
+
+		class Thing {
+
+		}
+
+	}
+
 	protected static class StringHandler {
 
 		public StringHandler(String foo) {