What causes "java.lang.IncompatibleClassChangeError: vtable stub"?

Posted by JimN on Stack Overflow See other posts from Stack Overflow or by JimN
Published on 2010-06-14T21:19:58Z Indexed on 2010/06/14 21:22 UTC
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java

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error

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runtime

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vtable

What causes "java.lang.IncompatibleClassChangeError: vtable stub"? In our application, we have seen this error pop up randomly and very seldom (just twice so far, and we run it a lot). It is not readily reproducible, even when restarting the app, using the same jvm/jars without rebuilding.

As for our build process, we clean all classes/jars and rebuild them, so it's not the same problem as others have encountered where they made a change in one class and didn't recompile some other dependent classes.

This is unlike some of the other questions related to IncompatibleClassChangeError -- none of them mention "vtable stub". In fact, there are surprisingly few google results when searching for "IncompatibleClassChangeError "vtable stub"".

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