Hi,
I have a junit TestCase with multiple Testmethods. For each Test Method the sessionFactory is closed and opened again (with a new Configuration Object). This works with most testcases, but after some restarts I get always this exception. Is there any way to get more information, why the cache is not alive?
bye
Roland

Hibernate version: 2.1.8
ehcache: 1.1
jdk 1.5
Full stack trace of any exception that occurs:
10:48:55,447 [main] ERROR The org.jbpm.model.definition.impl.NodeImpl Cache is not alive. -- at de.mtu.eprotas.application.process.engine.impl.EngineManagerImpl.createProcess(EngineManagerImpl.java:351)
java.lang.IllegalStateException: The org.jbpm.model.definition.impl.NodeImpl Cache is not alive.
at net.sf.ehcache.Cache.checkStatus(Cache.java:713)
at net.sf.ehcache.Cache.get(Cache.java:355)
at net.sf.hibernate.cache.EhCache.get(EhCache.java:108)
at net.sf.hibernate.cache.NonstrictReadWriteCache.get(NonstrictReadWriteCache.java:41)
at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2122)
at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:2001)
at net.sf.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:1963)
at net.sf.hibernate.type.ManyToOneType.resolveIdentifier(ManyToOneType.java:69)
at net.sf.hibernate.type.EntityType.resolveIdentifier(EntityType.java:208)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2219)
at net.sf.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:319)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:309)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:138)
at net.sf.hibernate.loader.Loader.doList(Loader.java:1063)
at net.sf.hibernate.loader.Loader.list(Loader.java:1054)
at net.sf.hibernate.hql.QueryTranslator.list(QueryTranslator.java:854)
at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1554)
at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1531)
at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1527)
at org.jbpm.persistence.hibernate.HibernateSession.findLatestDefinition(HibernateSession.java:248)
at org.jbpm.impl.ExecutionReadServiceImpl.getLatestDefinition(ExecutionReadServiceImpl.java:51)
at org.jbpm.impl.ExecutionServiceImpl.startProcessInstance(ExecutionServiceImpl.java:46)
at de.mtu.eprotas.application.process.engine.impl.EngineManagerImpl.createProcess(EngineManagerImpl.java:347)
at de.mtu.eprotas.application.process.instance.impl.ProcessInstanceManagerImpl.createProcessInstance(ProcessInstanceManagerImpl.java:184)
at de.mtu.eprotas.service.process.impl.ProcessServiceImpl.createProcess(ProcessServiceImpl.java:250)
at de.mtu.eprotas.test.impl.RepositoryBasedTestCase.createProcessForDefinition(RepositoryBasedTestCase.java:474)
at de.mtu.eprotas.test.impl.RepositoryBasedTestCase.createProcessForDefinition(RepositoryBasedTestCase.java:405)
at de.mtu.eprotas.application.util.expression.interpreter.ExpressionLanguageTest.testStringlist(ExpressionLanguageTest.java:197)
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 junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:478)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:344)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Name and version of the database you are using:hsqldb 1.8.0.2

After some debugging, it looks like that the problem is in the EntityPersister. When the session tries to load an element, the EntityPersister still points to an old NonStrictReadWriteCache. The entityPersister, SessionFactory, Session are new objects.

Sorry,
I had still a static reference to an old sessionFactory, which was occasionally used.