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Unexpected exception
java.lang.NoSuchMethodError: org.datanucleus.plugin.PluginManager.<init>(Lorg/datanucleus/PersistenceConfiguration;Lorg/datanucleus/ClassLoaderResolver;)V	at org.datanucleus.OMFContext.(	at org.datanucleus.enhancer.DataNucleusEnhancer.(	at org.datanucleus.enhancer.DataNucleusEnhancer.(	at org.datanucleus.enhancer.DataNucleusEnhancer.main(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(	at	at	at