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SerializationHelper.desserialize ClassNotFound [message #659277]

Fri, 11 March 2011 19:13

Mauro Flores

Messages: 84
Registered: September 2009
Location: Brasil

Member

Does any body now why the method SerializationHelper.desserialize is throwing a ClassNotFoundException in JEE environment(Weblogic 10.3.2)?

The following code throws java.lang.ClassNotFoundException: example.ejb.MyEntity at last line, but the same class was found at previous lines

      MyEntity foo= new MyEntity();
      byte[] serialize = SerializationHelper.serialize(foo);
      Object obj = SerializationHelper.deserialize(serialize);

Thanks. Mauro.

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Re: SerializationHelper.desserialize ClassNotFound [message #660823 is a reply to message #659277]

Mon, 21 March 2011 19:04

James Sutherland

Messages: 1939
Registered: July 2009
Location: Ottawa, Canada

Senior Member

I think Java serialization uses a thread base class loader. So depending on the calling codes class loader/context, it could be getting a different class loader.

In EclipseLink we generally resolve this by using a CustomObjectInputStream that uses the desired class loader to resolve classes.

James : Wiki : Book : Blog : Twitter

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