java.io.IOException: Field hash null is not available on current classPath for class in JBoss EAP 5.x

Solution Verified - Updated -

Issue

  • While porting an application to EAP 5.1 we came across this error in the jboss serialization code and we are are getting this exception below. We have a web app which is calling an EJB when the issue occurs.
...
Caused by: java.io.IOException
        at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMethod(RegularObjectPersister.java:107)
        at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:269)
        at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241)
        at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:412)
        at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:82)
        at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:847)
        at org.jboss.serial.io.MarshalledObjectForLocalCalls.get(MarshalledObjectForLocalCalls.java:60)
        at org.jboss.ejb3.remoting.IsLocalInterceptor.marshallOrPass(IsLocalInterceptor.java:117)
        at org.jboss.ejb3.remoting.IsLocalInterceptor.invokeLocal(IsLocalInterceptor.java:91)
        at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:75)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
        at org.jboss.aspects.remoting.PojiProxy.invoke(PojiProxy.java:62)
        at $Proxy307.invoke(Unknown Source)
        at org.jboss.ejb3.proxy.impl.handler.session.SessionProxyInvocationHandlerBase.invoke(SessionProxyInvocationHandlerBase.java:188)
        ... 86 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMethod(RegularObjectPersister.java:103)
        ... 99 more
Caused by: java.io.IOException: Field hash null is not available on current classPath for class com.jboss.examples.ActiveDirectoryUser
        at org.jboss.serial.classmetamodel.StreamingClass.readStream(StreamingClass.java:106)
        at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:381)
        at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:82)
        at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:847)
        at org.jboss.serial.persister.ObjectInputStreamProxy.readObjectOverride(ObjectInputStreamProxy.java:68)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:344)
        at java.util.HashSet.readObject(HashSet.java:291)
        ... 104 more

Environment

  • JBoss Enterprise Application Platform (EAP)
    • 5.x

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