[jboss-remoting-issues] [JBoss JIRA] Created: (JBREM-1072) Synchronize access to static maps in MarshalFactory

[Ron Sigal (JIRA)]

Synchronize access to static maps in MarshalFactory
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                 Key: JBREM-1072
                 URL: https://jira.jboss.org/jira/browse/JBREM-1072
             Project: JBoss Remoting
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 2.5.0.SP2 (Flounder) , 2.2.2.SP10
            Reporter: Ron Sigal
            Assignee: Ron Sigal
             Fix For: 2.2.2.SP11, 2.5.0.SP3 (Flounder)


Users have experienced the exception 

org.jboss.remoting.marshal.InvalidMarshallingResource: Can not find a valid marshaller for data type: serializable
	at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:79)
	at org.jboss.remoting.Client.invoke(Client.java:1634)
	at org.jboss.remoting.Client.invoke(Client.java:548)
	at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:62)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:67)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:53)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:107)

This is strange, since a marshaller for the datatype "serializable" is hardcoded in org.jboss.remoting.marshal.MarshalFactory.  However, access to the static Map marshallers is not synchronized, so it's possible that one subsystem is adding a marshaller (e.g., EJB2, JBossMessaging) at the same time that EJB3 is trying to extract a marshaller.  The same observation applies to unmarshallers.

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