Hello, I just upgraded to 2.1 final from 2.1 beta 4. I also upgraded all supporting jars including cglib2.

I'm now receiving the following error which did not appear under beta 4. No other changes to the code have been made.

Any ideas? I don't even know where to start looking.

Thanks.

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SEVERE: CGLIB Enhancement failed
net.sf.cglib.core.CodeGenerationException: java.lang.reflect.InvocationTargetException-->null
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:192)
at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java:330)
at net.sf.cglib.proxy.Enhancer.create(Enhancer.java:246)
at net.sf.cglib.proxy.Enhancer.create(Enhancer.java:406)
at net.sf.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:74)
at net.sf.hibernate.persister.AbstractEntityPersister.<init>(AbstractEntityPersister.java:801)
at net.sf.hibernate.persister.EntityPersister.<init>(EntityPersister.java:741)
at net.sf.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:41)
at net.sf.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:136)
at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:726)
at com.thoughtatlas.DataStore.inititalizeDataStore(Unknown Source)
at com.thoughtatlas.Environment.<clinit>(Unknown Source)
at com.thoughtatlas.webapp.ActionServlet.<clinit>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at java.lang.Class.newInstance0(Class.java:308)
at java.lang.Class.newInstance(Class.java:261)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1002)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:712)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:186)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:563)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:199)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:563)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:195)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:563)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:578)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:563)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:209)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:670)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:517)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:575)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.reflect.InvocationTargetException
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:324)
at net.sf.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:373)
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:181)
... 44 more
Caused by: java.lang.ClassFormatError: Illegal Field name "CGLIB$load_class$ARRAY0$_Ljava_lang_String;"
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at java.lang.ClassLoader.defineClass(ClassLoader.java:382)
... 50 more

Make sure there is no jars from old CGLIB in your classpath.

Hi Dimas,

Thanks for the reply. To be clear, this error does occur when only cglib2.jar is in the classpath.

Ryan

Take a look at http://www.hibernate.org/74.html#A2

I don't think there is a solution for your problem - just a bit more information. (One of ideas from the link above is to rebuild CGLIB2 from CVS. Probably this issue is already fixed)

It appears the bug fix in RC1 was not totally successful :-(
It is being investigated and I'll post more later...

The bug has been fixed and is available in CGLIB CVS.
If you have experienced this bug in Hibernate 2.1 Final and urgently need a fix let me know.

CAn you add this in the FAQ from the forum, please

Done.

I am runnig Hibernate 2.11, and have what looks like it is the same problem:

13:29:25,526 ERROR [STDERR] net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of no.cronus.forit.hibernate.Article.setTypeNo
at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:216)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2137)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:239)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:132)
at net.sf.hibernate.loader.Loader.doList(Loader.java:949)
at net.sf.hibernate.loader.CriteriaLoader.list(CriteriaLoader.java:109)
at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:3440)
at net.sf.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:177)
at no.cronus.forit.struts.action.TestAction.execute(TestAction.java:67)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:220)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(ContainerStatsValve.java:76)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
at java.lang.Thread.run(Thread.java:534)
Caused by: net.sf.cglib.beans.BulkBeanException
at no.cronus.forit.hibernate.Article$$BulkBeanByCGLIB$$c13bff5a.setPropertyValues(<generated>)
at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:211)
... 53 more
Caused by: java.lang.NullPointerException
... 55 more

Make sure there is no jars from old CGLIB in your classpath.

How can I find out what to look for in my classpath?
- I have cglib2.jar in jboss-3.2.3\server\default\lib
- No other cg*.jar files exist in my classpath

Try to set hibernate.cglib.use_reflection_optimizer=false as said in the Exception.
Does it fail ?

It is nothing wrong in cglib at this time, it is a problem with null value for primitive type.

How can I find out what to look for in my classpath?
- I have cglib2.jar in jboss-3.2.3\server\default\lib
- No other cg*.jar files exist in my classpath

I set hibernate.cglib.use_reflection_optimizer=false as said in the Exception.
Then I get this error:

15:32:48,000 ERROR [STDERR] net.sf.hibernate.PropertyAccessException: Null value was assigned to a property of primitive type setter of no.cronus.forit.hibernate.Article.typeNo
at net.sf.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:42)
at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:225)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2137)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:239)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:132)
at net.sf.hibernate.loader.Loader.doList(Loader.java:949)
at net.sf.hibernate.loader.CriteriaLoader.list(CriteriaLoader.java:109)
at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:3440)
at net.sf.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:177)

So it seems like you are right in that regards,
except that all previous log statements indicate that the value set is '1', and not 'null':

15:36:18,155 DEBUG [SQL] select articletyp0_.ArticleType as ArticleT1_0_, articletyp0_.ArticleTypeName as ArticleT2_0_ from ArticleTypes articletyp0_ where articletyp0_.ArticleType=?
15:36:18,155 DEBUG [BatcherImpl] preparing statement
15:36:18,155 DEBUG [ShortType] binding '1' to parameter: 1
15:36:18,175 DEBUG [Loader] processing result set
15:36:18,175 DEBUG [Loader] result row: 1
15:36:18,175 DEBUG [Loader] Initializing object from ResultSet: 1
15:36:18,175 DEBUG [Loader] Hydrating entity: no.cronus.forit.hibernate.ArticleType#1
15:36:18,185 DEBUG [StringType] returning 'R