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Hibernate version: 3.0.5

Mapping documents:

Code between sessionFactory.openSession() and session.close():

Full stack trace of any exception that occurs:
[Servlet Error]-[action]: Failed to load servlet: java.lang.VerifyError: (class: org/objectweb/asm/ByteVector, method: enlarge signature: (I)V) Accessing value from uninitialized localvariable 6
at org.objectweb.asm.ClassWriter.<init>(Unknown Source)
at org.objectweb.asm.ClassWriter.<init>(Unknown Source)
at net.sf.cglib.core.DebuggingClassWriter.<init>(DebuggingClassWriter.java:47)
at net.sf.cglib.core.DefaultGeneratorStrategy.getClassWriter(DefaultGeneratorStrategy.java:30)
at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:24)
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:215)
at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:145)
at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:117)
at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
at org.hibernate.impl.SessionFactoryImpl.<clinit>(SessionFactoryImpl.java:321)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1005)
at com.anfcorp.util.SessionFactorySingleton.setup(SessionFactorySingleton.java:29)
at com.anfcorp.util.HibernateInit.init(HibernateInit.java:43)
at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java:1158)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:473)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletInstance.java:82)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycleServlet.java:147)
at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecycleServlet.java:270)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleServlet.java:113)
at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:198)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
at com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServletManager.java:981)
at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:251)
at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadAutoLoadServlets(WebAppServletManager.java:625)
at com.ibm.ws.webcontainer.webapp.WebApp.loadServletManager(WebApp.java:1341)
at com.ibm.ws.webcontainer.webapp.WebApp.init(WebApp.java:319)
at com.ibm.ws.webcontainer.srt.WebGroup.loadWebApp(WebGroup.java:417)
at com.ibm.ws.webcontainer.srt.WebGroup.init(WebGroup.java:225)
at com.ibm.ws.webcontainer.WebContainer.addWebApplication1(WebContainer.java:1091)
at com.ibm.ws.webcontainer.WebContainer.run(WebContainer.java:992)
at java.lang.Thread.run(Thread.java(Compiled Code))

Name and version of the database you are using:DB2 v08.01

The generated SQL (show_sql=true):

Debug level Hibernate log excerpt:

WebServer: WebSphere 5.1 Build W510224
J2RE: 1.4.2
OS: Z/OS 1.06


The above exception has been driving me crazy for the past few days. It shows up our test server but fails to show up on either my dev box or the production server, of all places. When I deployed the app to the test server a few weeks ago, the exception did not show up. Since then IBM's ITCAM monitoring software has been installed on both the test and production server. My guess is that in the process of setting up the ITCAM software, some setting somewhere was changed. I have been pouring over the various server config files in hopes of finding a solution but have so far come up with nothing. I have checked the security files as I know that CGLIB expects certain security settings, but Java2 Security is turned off on both servers. I have googled every phrase and word combination I can think of relating to the exception and still have come up with nothing. I have browsed the ASM and CGLIB sites and mailing list archives for an answer and have come up with nothing so far. I am hoping somebody out there might at least be able to point me in the right direction.

Try to recompile ASM on your platform (this is not generated code, it is compiled by javac) or try to dissable verifier (see JVM parameters)