Hi, we are getting such exception on production server:
java.lang.NullPointerException
at org.jboss.cache.invocation.NodeInvocationDelegate.isValid(NodeInvocationDelegate.java:480)
at org.hibernate.cache.jbc.BasicRegionAdapter.ensureRegionRootExists(BasicRegionAdapter.java:271)
at org.hibernate.cache.jbc.access.TransactionalAccessDelegate.get(TransactionalAccessDelegate.java:70)
at org.hibernate.cache.jbc.entity.TransactionalAccess.get(TransactionalAccess.java:63)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:587)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:459)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:227)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:147)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:1090)
at org.hibernate.impl.SessionImpl.immediateLoad(SessionImpl.java:1026)
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:176)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:215)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190)
at org.jbpm.graph.def.Action_$$_javassist_264.getEvent(Action_$$_javassist_264.java)
at org.jbpm.graph.exe.ExecutionContext.setAction(ExecutionContext.java:85)
at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:271)
at sun.reflect.GeneratedMethodAccessor1306.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:197)
at org.jbpm.graph.node.State_$$_javassist_147.executeAction(State_$$_javassist_147.java)
at org.jbpm.job.Timer.execute(Timer.java:59)
at sun.reflect.GeneratedMethodAccessor1305.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:197)
at org.jbpm.job.Job_$$_javassist_235.execute(Job_$$_javassist_235.java)
maybe somene have a hint how to solve this ?