[jboss-user] [Javassist user questions] - sun.reflect.UnsafeStaticObjectFieldAccessorImpl

[steve.ebersole@jboss.com]

I am trying to understand the scenarios which could lead to javassist throwing the following error:
2009-07-27 15:49:32,094 INFO  [STDOUT] 15:49:32,091 ERROR [BasicLazyInitializer] Javassist Enhancement failed: com.edg.quote.model.SimultaneousFee
java.lang.RuntimeException: java.lang.IllegalArgumentException
	at javassist.util.proxy.ProxyFactory.setField(ProxyFactory.java:356)
	at javassist.util.proxy.ProxyFactory.createClass3(ProxyFactory.java:339)
	at javassist.util.proxy.ProxyFactory.createClass2(ProxyFactory.java:312)
	at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:271)
	at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:138)
	at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:42)
	at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:162)
	at org.hibernate.tuple.entity.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:135)
	at org.hibernate.tuple.entity.PojoEntityTuplizer.(PojoEntityTuplizer.java:55)
	at org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.(EntityEntityModeToTuplizerMapping.java:56)
	at org.hibernate.tuple.entity.EntityMetamodel.(EntityMetamodel.java:295)
	at org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:434)
	at org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:109)
	at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
	at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:226)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1300)
	at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:859)
	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:126)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33)
	at com.edg.quote.dao.hibernate.DaoImpl.read(DaoImpl.java:29)
	at com.edg.quote.generator.States.(States.java:21)
	at com.edg.quote.generator.StatesFactory.getStates(StatesFactory.java:7)
	at com.edg.quote.services.ZipResource.validateZip(ZipResource.java:18)
	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:585)
	at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)
	at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)
	at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)
	at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)
	at org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.IllegalArgumentException
	at sun.reflect.UnsafeStaticObjectFieldAccessorImpl.set(UnsafeStaticObjectFieldAccessorImpl.java:61)
	at java.lang.reflect.Field.set(Field.java:656)
	at javassist.util.proxy.ProxyFactory.setField(ProxyFactory.java:352)
	... 56 more


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