Well,
  Now when I execute the query I receive this error messages:

  | 
  | 2007-11-05 16:49:33,971 DEBUG [org.hibernate.hql.ast.AST] --- SQL AST ---
  |  \-[SELECT] QueryNode: 'SELECT'  querySpaces (elemento_gerenciado)
  |     +-[SELECT_CLAUSE] SelectClause: '{select clause}'
  |     |  +-[ALIAS_REF] IdentNode: 'elementoge0_.id as id8_' {alias=o, 
className=com.digitel.model.ElementoGerenciado, tableAlias=elementoge0_}
  |     |  \-[SQL_TOKEN] SqlFragment: 'elementoge0_.ip as ip8_, 
elementoge0_.comunidade_leitura as comunidade3_8_, 
elementoge0_.comunidade_escrita as comunidade4_8_, elementoge0_.porta as 
porta8_, elementoge0_.posicaox as posicaox8_, elementoge0_.posicaoy as 
posicaoy8_, elementoge0_.sys_objectid as sys8_8_, elementoge0_.estacao as 
estacao8_, elementoge0_.sys_contact as sys10_8_, elementoge0_.sys_desc as 
sys11_8_, elementoge0_.sys_location as sys12_8_, elementoge0_.sys_name as 
sys13_8_, elementoge0_.timeout as timeout8_, elementoge0_.status as status8_, 
elementoge0_.proxy as proxy8_, elementoge0_.mapa_pai as mapa16_8_, 
elementoge0_.usuario as usuario8_'
  |     \-[FROM] FromClause: 'from' FromClause{level=1, fromElementCounter=1, 
fromElements=1, fromElementByClassAlias=[o], 
fromElementByTableAlias=[elementoge0_], fromElementsByPath=[], 
collectionJoinFromElementsByPath=[], impliedElements=[]}
  |        \-[FROM_FRAGMENT] FromElement: 'elemento_gerenciado elementoge0_' 
FromElement{explicit,not a collection join,not a fetch join,fetch non-lazy 
properties,classAlias=o,role=null,tableName=elemento_gerenciado,tableAlias=elementoge0_,origin=null,colums={,className=com.digitel.model.ElementoGerenciado}}
  | 
  | 2007-11-05 16:49:33,971 DEBUG [org.hibernate.hql.ast.ErrorCounter] 
throwQueryException() : no errors
  | 2007-11-05 16:49:33,971 DEBUG [org.hibernate.hql.ast.QueryTranslatorImpl] 
HQL: select object(o) from com.digitel.model.ElementoGerenciado as o
  | 2007-11-05 16:49:33,972 DEBUG [org.hibernate.hql.ast.QueryTranslatorImpl] 
SQL: select elementoge0_.id as id8_, elementoge0_.ip as ip8_, 
elementoge0_.comunidade_leitura as comunidade3_8_, 
elementoge0_.comunidade_escrita as comunidade4_8_, elementoge0_.porta as 
porta8_, elementoge0_.posicaox as posicaox8_, elementoge0_.posicaoy as 
posicaoy8_, elementoge0_.sys_objectid as sys8_8_, elementoge0_.estacao as 
estacao8_, elementoge0_.sys_contact as sys10_8_, elementoge0_.sys_desc as 
sys11_8_, elementoge0_.sys_location as sys12_8_, elementoge0_.sys_name as 
sys13_8_, elementoge0_.timeout as timeout8_, elementoge0_.status as status8_, 
elementoge0_.proxy as proxy8_, elementoge0_.mapa_pai as mapa16_8_, 
elementoge0_.usuario as usuario8_ from elemento_gerenciado elementoge0_
  | 2007-11-05 16:49:33,972 DEBUG [org.hibernate.hql.ast.ErrorCounter] 
throwQueryException() : no errors
  | 2007-11-05 16:49:33,997 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to 
open PreparedStatement (open PreparedStatements: 0, globally: 0)
  | 2007-11-05 16:49:33,997 DEBUG [org.hibernate.jdbc.ConnectionManager] 
opening JDBC connection
  | 2007-11-05 16:49:34,003 DEBUG [org.hibernate.SQL] select elementoge0_.id as 
id8_, elementoge0_.ip as ip8_, elementoge0_.comunidade_leitura as 
comunidade3_8_, elementoge0_.comunidade_escrita as comunidade4_8_, 
elementoge0_.porta as porta8_, elementoge0_.posicaox as posicaox8_, 
elementoge0_.posicaoy as posicaoy8_, elementoge0_.sys_objectid as sys8_8_, 
elementoge0_.estacao as estacao8_, elementoge0_.sys_contact as sys10_8_, 
elementoge0_.sys_desc as sys11_8_, elementoge0_.sys_location as sys12_8_, 
elementoge0_.sys_name as sys13_8_, elementoge0_.timeout as timeout8_, 
elementoge0_.status as status8_, elementoge0_.proxy as proxy8_, 
elementoge0_.mapa_pai as mapa16_8_, elementoge0_.usuario as usuario8_ from 
elemento_gerenciado elementoge0_
  | 2007-11-05 16:49:34,006 WARN  
[org.jboss.resource.connectionmanager.TxConnectionManager] Connection error 
occured: [EMAIL PROTECTED] [EMAIL PROTECTED] handles=1 lastUse=1194288491814 
permit=true trackByTx=true [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL 
PROTECTED] 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.java:266)
  |     at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:349)
  |     at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.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 
com.digitel.dao.ElementoGerenciadoDAOImpl.findAll(ElementoGerenciadoDAOImpl.java:34)
  |     at 
com.digitel.facade.ElementoGerenciadoFacade.findAll(ElementoGerenciadoFacade.java:51)
  |     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:597)
  |     at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |     at 
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |     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(TransactionScopedEntityManagerInterceptor.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.invokeInOurTx(TxPolicy.java:79)
  |     at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  |     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.java:77)
  |     at 
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.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:106)
  |     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 $Proxy94.findAll(Unknown Source)
  |     at 
com.digitel.web.ListarElementos.processRequest(ListarElementos.java:47)
  |     at com.digitel.web.ListarElementos.doGet(ListarElementos.java:68)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |     at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |     at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |     at 
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |     at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |     at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |     at java.lang.Thread.run(Thread.java:619)
  | 2007-11-05 16:49:34,019 DEBUG [org.jboss.util.NestedThrowable] 
org.jboss.util.NestedThrowable.parentTraceEnabled=true
  | 2007-11-05 16:49:34,019 DEBUG [org.jboss.util.NestedThrowable] 
org.jboss.util.NestedThrowable.nestedTraceEnabled=false
  | 2007-11-05 16:49:34,019 DEBUG [org.jboss.util.NestedThrowable] 
org.jboss.util.NestedThrowable.detectDuplicateNesting=true
  | 2007-11-05 16:49:34,033 DEBUG [org.hibernate.util.JDBCExceptionReporter] 
could not execute query [select elementoge0_.id as id8_, elementoge0_.ip as 
ip8_, elementoge0_.comunidade_leitura as comunidade3_8_, 
elementoge0_.comunidade_escrita as comunidade4_8_, elementoge0_.porta as 
porta8_, elementoge0_.posicaox as posicaox8_, elementoge0_.posicaoy as 
posicaoy8_, elementoge0_.sys_objectid as sys8_8_, elementoge0_.estacao as 
estacao8_, elementoge0_.sys_contact as sys10_8_, elementoge0_.sys_desc as 
sys11_8_, elementoge0_.sys_location as sys12_8_, elementoge0_.sys_name as 
sys13_8_, elementoge0_.timeout as timeout8_, elementoge0_.status as status8_, 
elementoge0_.proxy as proxy8_, elementoge0_.mapa_pai as mapa16_8_, 
elementoge0_.usuario as usuario8_ from elemento_gerenciado elementoge0_]
  | org.jboss.util.NestedSQLException: Error; - nested throwable: 
(java.lang.NullPointerException)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkException(WrappedConnection.java:557)
  |     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)
  |     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 
com.digitel.dao.ElementoGerenciadoDAOImpl.findAll(ElementoGerenciadoDAOImpl.java:34)
  |     at 
com.digitel.facade.ElementoGerenciadoFacade.findAll(ElementoGerenciadoFacade.java:51)
  |     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:597)
  |     at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |     at 
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |     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(TransactionScopedEntityManagerInterceptor.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.invokeInOurTx(TxPolicy.java:79)
  |     at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  |     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.java:77)
  |     at 
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.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:106)
  |     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 $Proxy94.findAll(Unknown Source)
  |     at 
com.digitel.web.ListarElementos.processRequest(ListarElementos.java:47)
  |     at com.digitel.web.ListarElementos.doGet(ListarElementos.java:68)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |     at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |     at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |     at 
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |     at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |     at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |     at java.lang.Thread.run(Thread.java:619)
  | 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.java:266)
  |     at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:349)
  |     at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:344)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:187)
  |     ... 69 more
  | 2007-11-05 16:49:34,037 WARN  [org.hibernate.util.JDBCExceptionReporter] 
SQL Error: 0, SQLState: null
  | 2007-11-05 16:49:34,037 ERROR [org.hibernate.util.JDBCExceptionReporter] 
Error; - nested throwable: (java.lang.NullPointerException)
  | 2007-11-05 16:49:34,040 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] 
mark transaction for rollback
  | 2007-11-05 16:49:34,043 DEBUG 
[org.jboss.ejb3.entity.ManagedEntityManagerFactory] ************** closing 
entity managersession **************
  | 2007-11-05 16:49:34,044 DEBUG [org.hibernate.jdbc.ConnectionManager] 
releasing JDBC connection [ (open PreparedStatements: 1, globally: 1) (open 
ResultSets: 0, globally: 0)]
  | 2007-11-05 16:49:34,045 DEBUG [org.hibernate.util.JDBCExceptionReporter] 
could not log warnings
  | java.sql.SQLException: Connection handle is not currently associated with a 
ManagedConnection
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkStatus(WrappedConnection.java:539)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkTransaction(WrappedConnection.java:524)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.getWarnings(WrappedConnection.java:401)
  |     at 
org.hibernate.util.JDBCExceptionReporter.logAndClearWarnings(JDBCExceptionReporter.java:22)
  |     at 
org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:449)
  |     at 
org.hibernate.jdbc.ConnectionManager.cleanup(ConnectionManager.java:385)
  |     at 
org.hibernate.jdbc.ConnectionManager.close(ConnectionManager.java:324)
  |     at org.hibernate.impl.SessionImpl.close(SessionImpl.java:298)
  |     at org.hibernate.ejb.EntityManagerImpl.close(EntityManagerImpl.java:86)
  |     at 
org.jboss.ejb3.entity.ManagedEntityManagerFactory$SessionSynchronization.afterCompletion(ManagedEntityManagerFactory.java:129)
  |     at 
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:136)
  |     at 
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:340)
  |     at 
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.cancel(TwoPhaseCoordinator.java:107)
  |     at com.arjuna.ats.arjuna.AtomicAction.abort(AtomicAction.java:201)
  |     at 
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.rollbackAndDisassociate(TransactionImple.java:1451)
  |     at 
com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.rollback(BaseTransaction.java:163)
  |     at 
com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.rollback(BaseTransactionManagerDelegate.java:126)
  |     at org.jboss.aspects.tx.TxPolicy.endTransaction(TxPolicy.java:167)
  |     at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:87)
  |     at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  |     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.java:77)
  |     at 
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.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:106)
  |     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 $Proxy94.findAll(Unknown Source)
  |     at 
com.digitel.web.ListarElementos.processRequest(ListarElementos.java:47)
  |     at com.digitel.web.ListarElementos.doGet(ListarElementos.java:68)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |     at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |     at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |     at 
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |     at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |     at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |     at java.lang.Thread.run(Thread.java:619)
  | 2007-11-05 16:49:34,047 DEBUG [org.hibernate.util.JDBCExceptionReporter] 
could not clear warnings
  | java.sql.SQLException: Connection handle is not currently associated with a 
ManagedConnection
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkStatus(WrappedConnection.java:539)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkTransaction(WrappedConnection.java:524)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.clearWarnings(WrappedConnection.java:414)
  |     at 
org.hibernate.util.JDBCExceptionReporter.logAndClearWarnings(JDBCExceptionReporter.java:31)
  |     at 
org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:449)
  |     at 
org.hibernate.jdbc.ConnectionManager.cleanup(ConnectionManager.java:385)
  |     at 
org.hibernate.jdbc.ConnectionManager.close(ConnectionManager.java:324)
  |     at org.hibernate.impl.SessionImpl.close(SessionImpl.java:298)
  |     at org.hibernate.ejb.EntityManagerImpl.close(EntityManagerImpl.java:86)
  |     at 
org.jboss.ejb3.entity.ManagedEntityManagerFactory$SessionSynchronization.afterCompletion(ManagedEntityManagerFactory.java:129)
  |     at 
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:136)
  |     at 
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:340)
  |     at 
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.cancel(TwoPhaseCoordinator.java:107)
  |     at com.arjuna.ats.arjuna.AtomicAction.abort(AtomicAction.java:201)
  |     at 
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.rollbackAndDisassociate(TransactionImple.java:1451)
  |     at 
com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.rollback(BaseTransaction.java:163)
  |     at 
com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.rollback(BaseTransactionManagerDelegate.java:126)
  |     at org.jboss.aspects.tx.TxPolicy.endTransaction(TxPolicy.java:167)
  |     at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:87)
  |     at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  |     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.java:77)
  |     at 
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.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:106)
  |     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 $Proxy94.findAll(Unknown Source)
  |     at 
com.digitel.web.ListarElementos.processRequest(ListarElementos.java:47)
  |     at com.digitel.web.ListarElementos.doGet(ListarElementos.java:68)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |     at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |     at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |     at 
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |     at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |     at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |     at java.lang.Thread.run(Thread.java:619)
  | 2007-11-05 16:49:34,062 ERROR 
[org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/DMS-Reports].[ListarElementos]]
 Servlet.service() for servlet ListarElementos threw exception
  | javax.ejb.EJBException: javax.persistence.PersistenceException: 
org.hibernate.exception.GenericJDBCException: could not execute query
  |     at 
org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63)
  |     at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
  |     at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  |     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.java:77)
  |     at 
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.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:106)
  |     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 $Proxy94.findAll(Unknown Source)
  |     at 
com.digitel.web.ListarElementos.processRequest(ListarElementos.java:47)
  |     at com.digitel.web.ListarElementos.doGet(ListarElementos.java:68)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |     at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |     at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |     at 
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |     at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |     at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |     at java.lang.Thread.run(Thread.java:619)
  | Caused by: javax.persistence.PersistenceException: 
org.hibernate.exception.GenericJDBCException: could not execute query
  |     at 
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:629)
  |     at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:73)
  |     at 
com.digitel.dao.ElementoGerenciadoDAOImpl.findAll(ElementoGerenciadoDAOImpl.java:34)
  |     at 
com.digitel.facade.ElementoGerenciadoFacade.findAll(ElementoGerenciadoFacade.java:51)
  |     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:597)
  |     at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |     at 
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |     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(TransactionScopedEntityManagerInterceptor.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.invokeInOurTx(TxPolicy.java:79)
  |     ... 39 more
  | Caused by: org.hibernate.exception.GenericJDBCException: could not execute 
query
  |     at 
org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)
  |     at 
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)
  |     at 
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.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)
  |     ... 54 more
  | Caused by: org.jboss.util.NestedSQLException: Error; - nested throwable: 
(java.lang.NullPointerException)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkException(WrappedConnection.java:557)
  |     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)
  |     ... 62 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.java:266)
  |     at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:349)
  |     at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:344)
  |     at 
org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:187)
  |     ... 69 more
  | 2007-11-05 16:49:36,696 DEBUG 
[org.jboss.resource.connectionmanager.IdleRemover] run: IdleRemover notifying 
pools, interval: 150000
  | 2007-11-05 16:51:31,158 DEBUG [com.arjuna.ats.arjuna.logging.arjLogger] 
Periodic recovery - first pass <Mon, 5 Nov 2007 16:51:31>
  | 2007-11-05 16:51:31,159 DEBUG [com.arjuna.ats.arjuna.logging.arjLogger] 
StatusModule: first pass 
  | 
  | 

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