[JBoss Seam] - java.lang.NullPointerException at org.jboss.mx.loading.Repos - jboss-user

Monday, 23 July 2007

Using:
JBoss-Seam 2.0.0.BETA1
JBossAS4.2GA
Hibernate/JPA
postgresql-8.1-407.jdbc3
psql (PostgreSQL) 8.1.9 

I think i've an configuration-error which causes the following unrecoverable
NullpointerException. Unrevoerable means that all database-requests will end up in the
same NullpointerException (cause) with different top-level exceptions. Jboss-restart does
not help. I have to restart both: the postgresql-server and the jboss-server.

Maybe that's a driver-bug ? The commands i've used to produce this error are very
diffenent (em.find (..); em.merge(..); em.createQuery(...).getResultList()) - therefore i
think my error lies in the configuration ...

Maybe anyone could help me ?? 

  | <datasources>
  |         <local-tx-datasource>
  |                 <jndi-name>myprog-ds</jndi-name>
  |                 
<connection-url>jdbc:postgresql://localhost:5432/myprog</connection-url>
  |                 <driver-class>org.postgresql.Driver</driver-class>
  |                 <user-name>myprog</user-name>
  |                 <password>myprog</password>
  |                 <check-valid-connection-sql>select
1</check-valid-connection-sql>
  |                 <metadata>
  |                         <type-mapping>PostgreSQL 8.0</type-mapping>
  |                 </metadata>
  |         </local-tx-datasource>
  | </datasources>
  | 

  | <?xml version="1.0" encoding="UTF-8"?>
  | <persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
  |         <persistence-unit name="myprog-em"
transaction-type="JTA">
  |                
<provider>org.hibernate.ejb.HibernatePersistence</provider>
  |                 <jta-data-source>java:/myprog-ds</jta-data-source>
  |                 <properties>
  |                         <property name="hibernate.dialect"
  |                                
value="org.hibernate.dialect.PostgreSQLDialect" />
  |                         <property name="hibernate.show_sql"
value="true" />
  |                         <property name="hibernate.hbm2ddl.auto"
value="false" />
  |                         <property name="hibernate.max_fetch_depth"
value="3" />
  |                         <property
name="hibernate.transaction.manager_lookup_class"
value="org.hibernate.transaction.JBossTransactionManagerLookup"/>
  |                 </properties>
  |         </persistence-unit>
  | </persistence>
  | 

Stacktrace:

  | 2007-07-12 13:53:15,090 WARN 
[org.jboss.resource.connectionmanager.TxConnectionManager] Connection 
  | error occured:
org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener@11
  | 094e7[state=NORMAL
mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection@588b9b handles=1 
  | lastUse=1184241195086 permit=true trackByTx=true
mcp=org.jboss.resource.connectionmanager.JBossManag
  | edConnectionPool$OnePool@135954c
context=org.jboss.resource.connectionmanager.InternalManagedConnect
  | ionPool@dcbc7b
xaResource=org.jboss.resource.connectionmanager.TxConnectionManager$LocalXAResource@1
  | 9fed1d txSync=null]
  | java.lang.NullPointerException
  |         at
org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:623)
  |         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
  |         at
org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:467)
  |         at
org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:408)
  |         at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
  |         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
  |         at
org.postgresql.jdbc3.Jdbc3Connection.prepareStatement(Jdbc3Connection.java:37)
  |         at
org.postgresql.jdbc3.AbstractJdbc3Connection.prepareStatement(AbstractJdbc3Connection.jav
  | a:266)
  |         at
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapp
  | erManagedConnection.java:349)
  |         at
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapper
  | ManagedConnection.java:344)
  |         at
org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java
  | :187)
  |         at
org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:505)
  |         at
org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:423)
  |         at
org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)
  |         at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547)
  |         at org.hibernate.loader.Loader.doQuery(Loader.java:673)
  |         at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
  |         at org.hibernate.loader.Loader.doList(Loader.java:2220)
  |         at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
  |         at org.hibernate.loader.Loader.list(Loader.java:2099)
  |         at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378)
  |         at
org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
  |         at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
  |         at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
  |         at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
  |         at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64)
  |         at at.synergy.myprog.app.ejb.AbstractBean.list(AbstractBean.java:106)
  |         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
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |         at
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |         at
org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:4
  | 2)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at
org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:
  | 53)
  |         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
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  |         at
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor
  | .java:63)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedE
  | ntityManagerInterceptor.java:54)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor
  | .java:62)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.jav
  | a:77)
  |         at
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationIntercepto
  | r.java:106)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:1
  | 06)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214)
  |         at
org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184)
  |         at
org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81)
  |         at $Proxy273.list(Unknown Source)
  |         at
at.synergy.myprog.app.ejb.web.LabelFilterActionBean.initLabelFilterList(LabelFilterAction
  | Bean.java:136)
  |         at
at.synergy.myprog.app.ejb.web.LabelFilterActionBean.init(LabelFilterActionBean.java:97)
  |         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
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |         at
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |         at
org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at
org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIde
  | ntityInterceptor.java:43)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:54)
  | 
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:4
  | 2)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at
org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:
  | 53)
  |         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
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  |         at
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor
  | .java:63)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPer
  | sistenceContextPropagationInterceptor.java:57)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedE
  | ntityManagerInterceptor.java:54)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.ja
  | va:83)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.jav
  | a:77)
  |         at
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationIntercepto
  | r.java:106)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:1
  | 06)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:204)
  |         at
org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:100)
  |         at $Proxy276.init(Unknown Source)
  |         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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  |         at
org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:72)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at
org.jboss.seam.ejb.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:41)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at
org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:50)
  |         at
org.javassist.tmp.java.lang.Object_$$_javassist_31.init(Object_$$_javassist_31.java)
  |         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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
  |         at org.jboss.seam.Component.callComponentMethod(Component.java:1957)
  |         at org.jboss.seam.Component.callCreateMethod(Component.java:1880)
  |         at org.jboss.seam.Component.newInstance(Component.java:1859)
  |         at org.jboss.seam.Component.getInstance(Component.java:1756)
  |         at org.jboss.seam.Component.getInstance(Component.java:1723)
  |         at org.jboss.seam.Component.getInstance(Component.java:1717)
  |         at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:60)
  |         at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
  |         at
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
  |         at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
  |         at org.jboss.el.parser.AstValue.getValue(AstValue.java:63)
  |         at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
  |         at
com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
  |         at javax.faces.component.UIOutput.getValue(UIOutput.java:173)
  |         at
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer
  | .java:189)
  |         at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.ja
  | va:320)
  |         at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200
  | )
  |         at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833)
  |         at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:190)
  |         at
org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
  |         at
org.jboss.seam.ui.renderkit.ValidateAllRendererBase.doEncodeChildren(ValidateAllRendererB
  | ase.java:33)
  |         at
org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
  |         at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
  |         at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
  |         at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
  |         at
com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:578)
  |         at
org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
  |         at
org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:232)
  |         at
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
  |         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  |         at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
  |         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
  | ava:290)
  |         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:63)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:87)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:63)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:46)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at
org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:126)
  |         at
org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:248)
  |         at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:40)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:140)
  |         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
  | ava:235)
  |         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 
  |         at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
  | ava:235)
  |         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 
  |         at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |         at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |         at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.ja
  | va:179)
  |         at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |         at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |         at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |         at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:
  | 156)
  |         at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |         at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |         at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja
  | va:580)
  |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |         at java.lang.Thread.run(Thread.java:595)
  | 2007-07-12 13:53:15,139 WARN  [org.hibernate.util.JDBCExceptionReporter] SQL Error: 0,
SQLState: nul
  | l
  | 2007-07-12 13:53:15,139 ERROR [org.hibernate.util.JDBCExceptionReporter] Error; -
nested throwable: 
  | (java.lang.NullPointerException)
  | 2007-07-12 13:53:15,211 ERROR [STDERR] Jul 12, 2007 1:53:15 PM
com.sun.facelets.FaceletViewHandler h
  | andleRenderException
  | SEVERE: Error Rendering View[/pages/admin/labelfilters.xhtml]
  | javax.ejb.EJBTransactionRolledbackException:
org.hibernate.exception.GenericJDBCException: could not
  |  execute query
  |         at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:87)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor
  | .java:62)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.jav
  | a:77)
  |         at
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationIntercepto
  | r.java:106)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:1
  | 06)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214)
  |         at
org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184)
  |         at
org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81)
  |         at $Proxy273.list(Unknown Source)
  |         at
at.synergy.myprog.app.ejb.web.LabelFilterActionBean.initLabelFilterList(LabelFilterAction
  | Bean.java:136)
  |         at
at.synergy.myprog.app.ejb.web.LabelFilterActionBean.init(LabelFilterActionBean.java:97)
  |         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
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |         at
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |         at
org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at
org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIde
  | ntityInterceptor.java:43)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:54)
  | 
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:4
  | 2)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at
org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:
  | 53)
  |         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
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  |         at
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor
  | .java:63)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPer
  | sistenceContextPropagationInterceptor.java:57)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedE
  | ntityManagerInterceptor.java:54)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.ja
  | va:83)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.jav
  | a:77)
  |         at
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationIntercepto
  | r.java:106)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:1
  | 06)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:204)
  |         at
org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:100)
  |         at $Proxy276.init(Unknown Source)
  |         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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  |         at
org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:72)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at
org.jboss.seam.ejb.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:41)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at
org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:50)
  |         at
org.javassist.tmp.java.lang.Object_$$_javassist_31.init(Object_$$_javassist_31.java)
  |         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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
  |         at org.jboss.seam.Component.callComponentMethod(Component.java:1957)
  |         at org.jboss.seam.Component.callCreateMethod(Component.java:1880)
  |         at org.jboss.seam.Component.newInstance(Component.java:1859)
  |         at org.jboss.seam.Component.getInstance(Component.java:1756)
  |         at org.jboss.seam.Compone
  | 2007-07-12 13:53:15,212 ERROR [STDERR] nt.getInstance(Component.java:1723)
  |         at org.jboss.seam.Component.getInstance(Component.java:1717)
  |         at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:60)
  |         at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
  |         at
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
  |         at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
  |         at org.jboss.el.parser.AstValue.getValue(AstValue.java:63)
  |         at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
  |         at
com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
  |         at javax.faces.component.UIOutput.getValue(UIOutput.java:173)
  |         at
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer
  | .java:189)
  |         at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.ja
  | va:320)
  |         at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200
  | )
  |         at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833)
  |         at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:190)
  |         at
org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
  |         at
org.jboss.seam.ui.renderkit.ValidateAllRendererBase.doEncodeChildren(ValidateAllRendererB
  | ase.java:33)
  |         at
org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
  |         at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
  |         at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
  |         at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
  |         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
  |         at
com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:578)
  |         at
org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
  |         at
org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:232)
  |         at
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
  |         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  |         at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
  |         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
  | ava:290)
  |         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:63)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:87)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:63)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:46)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at
org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:126)
  |         at
org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:248)
  |         at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:40)
  |         at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:140)
  |         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
  | ava:235)
  |         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 
  |         at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
  | ava:235)
  |         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 
  |         at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |         at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |         at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.ja
  | va:179)
  |         at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |         at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |         at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |         at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:
  | 156)
  |         at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |         at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |         at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja
  | va:580)
  |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |         at java.lang.Thread.run(Thread.java:595)
  | Caused by: javax.persistence.PersistenceException:
org.hibernate.exception.GenericJDBCException: cou
  | ld not execute query
  |         at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManag
  | erImpl.java:629)
  |         at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:73)
  |         at at.synergy.myprog.app.ejb.AbstractBean.list(AbstractBean.java:106)
  |         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
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |         at
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |         at
org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:4
  | 2)
  |         at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at
org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:
  | 53)
  |         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
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  |         at
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor
  | .java:63)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedE
  | ntityManagerInterceptor.java:54)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  |         ... 157 more
  | Caused by: org.hibernate.exception.GenericJDBCException: could not execute query
  |         at
org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.j
  | ava:103)
  |         at
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)
  |         at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHe
  | 2007-07-12 13:53:15,212 ERROR [STDERR] lper.java:43)
  |         at org.hibernate.loader.Loader.doList(Loader.java:2223)
  |         at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
  |         at org.hibernate.loader.Loader.list(Loader.java:2099)
  |         at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378)
  |         at
org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
  |         at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
  |         at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
  |         at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
  |         at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64)
  |         ... 184 more
  | Caused by: org.jboss.util.NestedSQLException: Error; - nested throwable:
(java.lang.NullPointerExcep
  | tion)
  |         at
org.jboss.resource.adapter.jdbc.WrappedConnection.checkException(WrappedConnection.java:5
  | 57)
  |         at
org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java
  | :191)
  |         at
org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:505)
  |         at
org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:423)
  |         at
org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)
  |         at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547)
  |         at org.hibernate.loader.Loader.doQuery(Loader.java:673)
  |         at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
  |         at org.hibernate.loader.Loader.doList(Loader.java:2220)
  |         ... 192 more
  | Caused by: java.lang.NullPointerException
  |         at
org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:623)
  |         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
  |         at
org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:467)
  |         at
org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:408)
  |         at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
  |         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
  |         at
org.postgresql.jdbc3.Jdbc3Connection.prepareStatement(Jdbc3Connection.java:37)
  |         at
org.postgresql.jdbc3.AbstractJdbc3Connection.prepareStatement(AbstractJdbc3Connection.jav
  | a:266)
  |         at
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapp
  | erManagedConnection.java:349)
  |         at
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapper
  | ManagedConnection.java:344)
  |         at
org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java
  | :187)
  |         ... 199 more
  | 2007-07-12 13:53:15,470 WARN  [org.hibernate.util.JDBCExceptionReporter] SQL Error: 0,
SQLState: nul
  | l
  | 2007-07-12 13:53:15,470 ERROR [org.hibernate.util.JDBCExceptionReporter] Transaction
is not active: 
  | tx=TransactionImple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status:
ActionStatus.ABORT_ONLY >; - nested throwable: (javax.resource.ResourceException:
Transaction is not active: tx=TransactionIm
  | ple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status: ActionStatus.ABORT_ONLY
>)
  | 2007-07-12 13:53:15,510 WARN  [org.hibernate.util.JDBCExceptionReporter] SQL Error: 0,
SQLState: nul
  | l
  | 2007-07-12 13:53:15,510 ERROR [org.hibernate.util.JDBCExceptionReporter] Transaction
is not active: 
  | tx=TransactionImple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status:
ActionStatus.ABORT_ONLY >; - nested throwable: (javax.resource.ResourceException:
Transaction is not active: tx=TransactionIm
  | ple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status: ActionStatus.ABORT_ONLY
>)
  | 2007-07-12 13:53:15,627 WARN  [org.hibernate.util.JDBCExceptionReporter] SQL Error: 0,
SQLState: nul
  | l
  | 2007-07-12 13:53:15,628 ERROR [org.hibernate.util.JDBCExceptionReporter] Transaction
is not active: 
  | tx=TransactionImple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status:
ActionStatus.ABORT_ONLY >; - nested throwable: (javax.resource.ResourceException:
Transaction is not active: tx=TransactionIm
  | ple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status: ActionStatus.ABORT_ONLY
>)
  | 2007-07-12 13:53:15,695 WARN  [org.hibernate.util.JDBCExceptionReporter] SQL Error: 0,
SQLState: nul
  | l
  | 2007-07-12 13:53:15,695 ERROR [org.hibernate.util.JDBCExceptionReporter] Transaction
is not active: 
  | tx=TransactionImple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status:
ActionStatus.ABORT_ONLY >; - nested throwable: (javax.resource.ResourceException:
Transaction is not active: tx=TransactionIm
  | ple < ac, BasicAction: -3f57ffb1:8ba2:4695f94e:136 status: ActionStatus.ABORT_ONLY
>)
  | |
  | |
  | | ....... much more of this (ActionStatus.ABORT_ONLY)
  | 

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[JBoss Seam] - java.lang.NullPointerException at org.jboss.mx.loading.Repos