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my log files :


lams.log

2008-03-28 15:59:26,496 [http-0.0.0.0-8080-4:] INFO  org.lamsfoundation.lams.security.UniversalLoginModule - initialize
2008-03-28 15:59:26,496 [http-0.0.0.0-8080-4:] INFO  org.lamsfoundation.lams.security.UniversalLoginModule - login
2008-03-28 15:59:26,532 [http-0.0.0.0-8080-4:] ERROR org.lamsfoundation.lams.security.UniversalLoginModule - ===> exception: org.springframework.orm.hibernate3.HibernateSystemException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException); nested exception is org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
org.springframework.orm.hibernate3.HibernateSystemException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException); nested exception is org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
        at org.hibernate.cache.TreeCache.read(TreeCache.java:57)
        at org.hibernate.cache.TreeCache.get(TreeCache.java:45)
        at org.hibernate.cache.ReadOnlyCache.get(ReadOnlyCache.java:33)
        at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:436)
        at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:313)
        at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:113)
        at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:167)
        at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:79)
        at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:641)
        at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:257)
        at org.hibernate.type.EntityType.resolve(EntityType.java:282)
        at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:105)
        at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:510)
        at org.hibernate.loader.Loader.doQuery(Loader.java:419)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:210)
        at org.hibernate.loader.Loader.doList(Loader.java:1561)
        at org.hibernate.loader.Loader.list(Loader.java:1544)
        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:375)
        at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:271)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:830)
        at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
        at org.springframework.orm.hibernate3.HibernateTemplate$31.doInHibernate(HibernateTemplate.java:853)
        at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)
        at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:844)
        at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:840)
        at org.lamsfoundation.lams.dao.hibernate.BaseDAO.findByProperty(BaseDAO.java:215)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService.getUserByLogin(UserManagementService.java:421)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService$$FastClassByCGLIB$$aa86f00b.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:685)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:148)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:623)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService$$EnhancerByCGLIB$$74a0082_2.getUserByLogin(<generated>)
        at org.lamsfoundation.lams.security.UniversalLoginModule.validatePassword(UniversalLoginModule.java:100)
        at org.lamsfoundation.lams.security.UsernamePasswordLoginModule.login(UsernamePasswordLoginModule.java:151)
        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 javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)
        at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)
        at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)
        at javax.security.auth.login.LoginContext.login(LoginContext.java:579)
        at org.jboss.security.plugins.JaasSecurityManager.defaultLogin(JaasSecurityManager.java:483)
        at org.jboss.security.plugins.JaasSecurityManager.authenticate(JaasSecurityManager.java:425)
        at org.jboss.security.plugins.JaasSecurityManager.isValid(JaasSecurityManager.java:251)
        at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.authenticate(JBossSecurityMgrRealm.java:230)
        at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:256)
        at org.lamsfoundation.lams.web.session.LoginFormAuthenticator.authenticate(LoginFormAuthenticator.java:51)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:391)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.lamsfoundation.lams.integration.security.SingleSignOn.invoke(SingleSignOn.java:121)
        at org.lamsfoundation.lams.integration.security.LoginRequestValve.invoke(LoginRequestValve.java:67)
        at org.apache.catalina.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:481)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)
Caused by: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
        at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:3107)
        at org.jboss.cache.TreeCache.get(TreeCache.java:1554)
        at org.jboss.cache.TreeCache.get(TreeCache.java:1538)
        at org.hibernate.cache.TreeCache.read(TreeCache.java:54)
        ... 66 more
Caused by: java.lang.NullPointerException
        at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:3102)
        ... 69 more
2008-03-28 15:59:26,533 [http-0.0.0.0-8080-4:] INFO  org.lamsfoundation.lams.security.UniversalLoginModule - abort
---------------------------------------------


server.log

2008-03-28 15:59:26,496 [http-0.0.0.0-8080-4:] INFO  org.lamsfoundation.lams.security.UniversalLoginModule - initialize
2008-03-28 15:59:26,496 [http-0.0.0.0-8080-4:] INFO  org.lamsfoundation.lams.security.UniversalLoginModule - login
2008-03-28 15:59:26,532 [http-0.0.0.0-8080-4:] ERROR org.lamsfoundation.lams.security.UniversalLoginModule - ===> exception: org.springframework.orm.hibernate3.HibernateSystemException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException); nested exception is org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
org.springframework.orm.hibernate3.HibernateSystemException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException); nested exception is org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
        at org.hibernate.cache.TreeCache.read(TreeCache.java:57)
        at org.hibernate.cache.TreeCache.get(TreeCache.java:45)
        at org.hibernate.cache.ReadOnlyCache.get(ReadOnlyCache.java:33)
        at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:436)
        at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:313)
        at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:113)
        at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:167)
        at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:79)
        at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:641)
        at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:257)
        at org.hibernate.type.EntityType.resolve(EntityType.java:282)
        at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:105)
        at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:510)
        at org.hibernate.loader.Loader.doQuery(Loader.java:419)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:210)
        at org.hibernate.loader.Loader.doList(Loader.java:1561)
        at org.hibernate.loader.Loader.list(Loader.java:1544)
        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:375)
        at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:271)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:830)
        at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
        at org.springframework.orm.hibernate3.HibernateTemplate$31.doInHibernate(HibernateTemplate.java:853)
        at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)
        at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:844)
        at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:840)
        at org.lamsfoundation.lams.dao.hibernate.BaseDAO.findByProperty(BaseDAO.java:215)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService.getUserByLogin(UserManagementService.java:421)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService$$FastClassByCGLIB$$aa86f00b.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:685)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:148)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:623)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService$$EnhancerByCGLIB$$74a0082_2.getUserByLogin(<generated>)
        at org.lamsfoundation.lams.security.UniversalLoginModule.validatePassword(UniversalLoginModule.java:100)
        at org.lamsfoundation.lams.security.UsernamePasswordLoginModule.login(UsernamePasswordLoginModule.java:151)
        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 javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)
        at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)
        at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)
        at javax.security.auth.login.LoginContext.login(LoginContext.java:579)
        at org.jboss.security.plugins.JaasSecurityManager.defaultLogin(JaasSecurityManager.java:483)
        at org.jboss.security.plugins.JaasSecurityManager.authenticate(JaasSecurityManager.java:425)
        at org.jboss.security.plugins.JaasSecurityManager.isValid(JaasSecurityManager.java:251)
        at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.authenticate(JBossSecurityMgrRealm.java:230)
        at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:256)
        at org.lamsfoundation.lams.web.session.LoginFormAuthenticator.authenticate(LoginFormAuthenticator.java:51)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:391)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.lamsfoundation.lams.integration.security.SingleSignOn.invoke(SingleSignOn.java:121)
        at org.lamsfoundation.lams.integration.security.LoginRequestValve.invoke(LoginRequestValve.java:67)
        at org.apache.catalina.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:481)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)
Caused by: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
        at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:3107)
        at org.jboss.cache.TreeCache.get(TreeCache.java:1554)
        at org.jboss.cache.TreeCache.get(TreeCache.java:1538)
        at org.hibernate.cache.TreeCache.read(TreeCache.java:54)
        ... 66 more
Caused by: java.lang.NullPointerException
        at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:3102)
        ... 69 more
2008-03-28 15:59:26,533 [http-0.0.0.0-8080-4:] INFO  org.lamsfoundation.lams.security.UniversalLoginModule - abort
karatekin2:/usr/local/jboss-4.0.2/server/default/log# tail -200 server.log
2008-03-28 15:59:26,531 INFO  [STDOUT] org.springframework.orm.hibernate3.HibernateSystemException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException); nested exception is org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
2008-03-28 15:59:26,532 INFO  [STDOUT] org.hibernate.cache.CacheException: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
        at org.hibernate.cache.TreeCache.read(TreeCache.java:57)
        at org.hibernate.cache.TreeCache.get(TreeCache.java:45)
        at org.hibernate.cache.ReadOnlyCache.get(ReadOnlyCache.java:33)
        at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:436)
        at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:313)
        at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:113)
        at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:167)
        at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:79)
        at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:641)
        at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:257)
        at org.hibernate.type.EntityType.resolve(EntityType.java:282)
        at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:105)
        at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:510)
        at org.hibernate.loader.Loader.doQuery(Loader.java:419)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:210)
        at org.hibernate.loader.Loader.doList(Loader.java:1561)
        at org.hibernate.loader.Loader.list(Loader.java:1544)
        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:375)
        at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:271)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:830)
        at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
        at org.springframework.orm.hibernate3.HibernateTemplate$31.doInHibernate(HibernateTemplate.java:853)
        at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)
        at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:844)
        at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:840)
        at org.lamsfoundation.lams.dao.hibernate.BaseDAO.findByProperty(BaseDAO.java:215)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService.getUserByLogin(UserManagementService.java:421)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService$$FastClassByCGLIB$$aa86f00b.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:685)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:148)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:623)
        at org.lamsfoundation.lams.usermanagement.service.UserManagementService$$EnhancerByCGLIB$$74a0082_2.getUserByLogin(<generated>)
        at org.lamsfoundation.lams.security.UniversalLoginModule.validatePassword(UniversalLoginModule.java:100)
        at org.lamsfoundation.lams.security.UsernamePasswordLoginModule.login(UsernamePasswordLoginModule.java:151)
        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 javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)
        at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)
        at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)
        at javax.security.auth.login.LoginContext.login(LoginContext.java:579)
        at org.jboss.security.plugins.JaasSecurityManager.defaultLogin(JaasSecurityManager.java:483)
        at org.jboss.security.plugins.JaasSecurityManager.authenticate(JaasSecurityManager.java:425)
        at org.jboss.security.plugins.JaasSecurityManager.isValid(JaasSecurityManager.java:251)
        at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.authenticate(JBossSecurityMgrRealm.java:230)
        at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:256)
        at org.lamsfoundation.lams.web.session.LoginFormAuthenticator.authenticate(LoginFormAuthenticator.java:51)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:391)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.lamsfoundation.lams.integration.security.SingleSignOn.invoke(SingleSignOn.java:121)
        at org.lamsfoundation.lams.integration.security.LoginRequestValve.invoke(LoginRequestValve.java:67)
        at org.apache.catalina.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:481)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)
Caused by: org.jboss.util.NestedRuntimeException: - nested throwable: (java.lang.NullPointerException)
        at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:3107)
        at org.jboss.cache.TreeCache.get(TreeCache.java:1554)
        at org.jboss.cache.TreeCache.get(TreeCache.java:1538)
        at org.hibernate.cache.TreeCache.read(TreeCache.java:54)
        ... 66 more
Caused by: java.lang.NullPointerException
        at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:3102)
        ... 69 more