Fixed serializability problems in ConversionException, EvaluationException and MethodInvocationException.

spring-binding/src/main/java/org/springframework/binding/convert/ConversionException.java

@@ -31,8 +31,9 @@ public class ConversionException extends NestedRuntimeException {
 
 	/**
 	 * The value we tried to convert.
+	 * Transient because we cannot guarantee that the value is Serializable.
 	 */
-	private Object value;
+	private transient Object value;
 
 	/**
 	 * The target type we tried to convert to.

spring-binding/src/main/java/org/springframework/binding/expression/EvaluationException.java

@@ -25,9 +25,10 @@ import org.springframework.core.NestedRuntimeException;
 public class EvaluationException extends NestedRuntimeException {
 
 	/**
-	 * The evaluation attempt that failed. 
+	 * The evaluation attempt that failed.
+	 * Transient because an EvaluationAttempt is not serializable.
 	 */
-	private EvaluationAttempt evaluationAttempt;
+	private transient EvaluationAttempt evaluationAttempt;
 
 	/**
 	 * Creates a new evaluation exception.

spring-binding/src/main/java/org/springframework/binding/method/MethodInvocationException.java

@@ -29,13 +29,15 @@ public class MethodInvocationException extends NestedRuntimeException {
 
 	/**
 	 * The method signature.
+	 * Transient because a MethodSignature is not Serializable.
 	 */
-	private MethodSignature methodSignature;
+	private transient MethodSignature methodSignature;
 
 	/**
 	 * The method invocation argument values.
+	 * Transient because we cannot guarantee that the arguments are Serializable.
 	 */
-	private Object[] arguments;
+	private transient Object[] arguments;
 
 	/**
 	 * Signals that the method with the specified signature could not be invoked

spring-webflow/changelog.txt

@@ -5,6 +5,9 @@ http://www.springframework.org
 Changes in version 1.1.0 ()
 -------------------------------------
 
+Package org.springframework.binding
+* Fixed serializability problems in ConversionException, EvaluationException and MethodInvocationException.
+
 Package org.springframework.webflow.config
 * FlowExecutorFactoryBean now has an 'inputMapper' property to conveniently configure the 'inputMapper'
   property of the created FlowExecutorImpl object.