MuleMessage does not serialize attachments

• User impact:

  High
• Effort points:

  2
• Log Output:

  Hide

  org.mule.umo.transformer.TransformerException: java.io.NotSerializableException: javax.activation.DataHandler (org.apache.commons.lang.SerializationException)
  at org.mule.transformers.simple.SerializableToByteArray.transform(SerializableToByteArray.java:79)
  at org.mule.transformers.simple.ObjectToByteArray.transform(ObjectToByteArray.java:45)
  at org.mule.transformers.AbstractEventAwareTransformer.doTransform(AbstractEventAwareTransformer.java:40)
  at org.mule.transformers.AbstractTransformer.transform(AbstractTransformer.java:250)
  at org.mule.impl.MuleMessageTestCase.testAttachmentPersistence(MuleMessageTestCase.java:39)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  at java.lang.reflect.Method.invoke(Unknown Source)
  at junit.framework.TestCase.runTest(TestCase.java:164)
  at junit.framework.TestCase.runBare(TestCase.java:130)
  at org.mule.tck.AbstractMuleTestCase.runBare(AbstractMuleTestCase.java:175)
  at junit.framework.TestResult$1.protect(TestResult.java:106)
  at junit.framework.TestResult.runProtected(TestResult.java:124)
  at junit.framework.TestResult.run(TestResult.java:109)
  at junit.framework.TestCase.run(TestCase.java:120)
  at org.mule.tck.AbstractMuleTestCase.run(AbstractMuleTestCase.java:155)
  at junit.framework.TestSuite.runTest(TestSuite.java:230)
  at junit.framework.TestSuite.run(TestSuite.java:225)
  

  Show

  org.mule.umo.transformer.TransformerException: java.io.NotSerializableException: javax.activation.DataHandler (org.apache.commons.lang.SerializationException) at org.mule.transformers.simple.SerializableToByteArray.transform(SerializableToByteArray.java:79) at org.mule.transformers.simple.ObjectToByteArray.transform(ObjectToByteArray.java:45) at org.mule.transformers.AbstractEventAwareTransformer.doTransform(AbstractEventAwareTransformer.java:40) at org.mule.transformers.AbstractTransformer.transform(AbstractTransformer.java:250) at org.mule.impl.MuleMessageTestCase.testAttachmentPersistence(MuleMessageTestCase.java:39) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at junit.framework.TestCase.runTest(TestCase.java:164) at junit.framework.TestCase.runBare(TestCase.java:130) at org.mule.tck.AbstractMuleTestCase.runBare(AbstractMuleTestCase.java:175) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:120) at org.mule.tck.AbstractMuleTestCase.run(AbstractMuleTestCase.java:155) at junit.framework.TestSuite.runTest(TestSuite.java:230) at junit.framework.TestSuite.run(TestSuite.java:225)
• Similar Issues:

  None

Trying to persist a message with attachments fails since the attachment handlers are not properly serialized, for good reason: they are not Serializable.
May need to replace them with their respective class names and reflectively recreate them on deserialization.