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mdonato
 Post subject: java.lang.NullPointerException in AbstractEntityPersister
PostPosted: Thu Sep 22, 2005 6:29 pm 
Newbie

Joined: Tue Sep 20, 2005 5:06 pm
Posts: 9
Need help with Hibernate? Read this first:
http://www.hibernate.org/ForumMailingli ... AskForHelp

Hibernate version:
hibernate 3.1

Mapping documents:
Code:
    <property name="hibernate.dialect">br.com.glr.populis.util.compatibility.SQLServer7Dialect</property>
    <property name="hibernate.connection.datasource">jdbc/dsPOPULIS</property>
   <property name="TransactionStrategy">org.hibernate.transaction.CMTTransactionFactory</property>
   <property name="transaction.factory_class">org.hibernate.transaction.CMTTransactionFactory</property>
   <property name="TransactionManagerLookup">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="transaction.manager_lookup_class">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="TransactionManagerLookupStrategy">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="transaction.auto_close_session">true</property>
   <property name="transaction.flush_before_completion">true</property>



Code between sessionFactory.openSession() and session.close():

Full stack trace of any exception that occurs:
Code:
Hibernate: insert into JBPM_PROCESSDEFINITION (NAME_, VERSION_, ISTERMINATIONIMPLICIT_, STARTSTATE_) values (?, ?, ?, ?)
[22/09/05 19:12:44:106 GMT-03:00]  fae902b GraphSession  E org.jbpm.db.GraphSession  java.lang.NullPointerException
[22/09/05 19:12:44:168 GMT-03:00]  fae902b SystemOut     O 122266 FATAL ctx:[[businessdelegate=WorkflowBusinessDelegate.java, method=publicarProcesso(processVo)] [sessionFacade=WorkflowSessionFacadeBean.java, method=publicarProcesso(processVo)] [classe=MainWorkflow.java, method=deployProcessDefinition(zipInputStream)]] - couldn't save process definition 'ProcessDefinition(teste)'
java.lang.RuntimeException: couldn't save process definition 'ProcessDefinition(teste)'
   at org.jbpm.db.GraphSession.saveProcessDefinition(GraphSession.java:35)
   at br.com.glr.populis.model.workflow.common.MainWorkflow.deployProcessDefinition(MainWorkflow.java:77)
   at br.com.glr.populis.model.workflow.ejb.WorkflowSessionFacadeBean.publicarProcesso(WorkflowSessionFacadeBean.java:51)
   at br.com.glr.populis.model.workflow.ejb.EJSLocalStatelessWorkflowSessionFacade_618810f4.publicarProcesso(EJSLocalStatelessWorkflowSessionFacade_618810f4.java:119)
   at br.com.glr.populis.web.workflow.delegate.WorkflowBusinessDelegate.publicarProcesso(WorkflowBusinessDelegate.java:56)
   at br.com.glr.populis.web.workflow.action.ProcessFormAction.addData(ProcessFormAction.java:25)
   at br.com.glr.populis.webcommon.action.GenericFormMaintenanceAction.executeAddData(GenericFormMaintenanceAction.java:151)
   at br.com.glr.populis.webcommon.action.GenericFormMaintenanceAction.execute(GenericFormMaintenanceAction.java:84)
   at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
   at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
   at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
   at br.com.glr.populis.webcommon.servlet.PopulisServlet.process(PopulisServlet.java:22)
   at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
   at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
   at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
   at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
   at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
   at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
   at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
   at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
   at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:76)
   at br.com.glr.populis.webcommon.controller.filter.LogFilter.doFilter(LogFilter.java:18)
   at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:132)
   at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:71)
   at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:965)
   at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555)
   at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
   at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
   at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
   at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
   at com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:114)
   at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:186)
   at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
   at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
   at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
   at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:443)
   at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
Caused by: java.lang.NullPointerException
   at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:1954)
   at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2395)
   at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:37)
   at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:243)
   at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:269)
   at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:167)
   at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:101)
   at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:186)
   at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
   at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:175)
   at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
   at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
   at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:523)
   at org.hibernate.impl.SessionImpl.save(SessionImpl.java:513)
   at org.hibernate.impl.SessionImpl.save(SessionImpl.java:509)
   at org.jbpm.db.GraphSession.saveProcessDefinition(GraphSession.java:31)
   ... 38 more



Name and version of the database you are using:
MSSqlServer7.0

The generated SQL (show_sql=true):
Hibernate: insert into JBPM_PROCESSDEFINITION (NAME_, VERSION_, ISTERMINATIONIMPLICIT_, STARTSTATE_) values (?, ?, ?, ?)

Debug level Hibernate log excerpt:
Code:
log4j.rootLogger=DEBUG, stdout, stderr
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%r %-5p ctx:[%x] - %m\n
log4j.appender.stderr=org.apache.log4j.ConsoleAppender
log4j.appender.stderr.Target=System.err
log4j.appender.stderr.Threshold=ERROR
log4j.appender.stderr.layout=org.apache.log4j.PatternLayout
log4j.appender.stderr.layout.ConversionPattern=%r %-5p ctx:[%x] - %m\n
log4j.logger.br.com.glr=DEBUG
log4j.logger.org.hibernate=DEBUG
log4j.logger.org.jbpm=DEBUG
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 Profile  
 
mdonato
 Post subject:
PostPosted: Thu Sep 22, 2005 8:12 pm 
Newbie

Joined: Tue Sep 20, 2005 5:06 pm
Posts: 9
All right, i found a work aroumd for this trouble!

i've created SQLServer7Dialect in my own utility application, that looks like this:

Code:
package br.com.glr.populis.util.compatibility;

public class SQLServer7Dialect extends org.hibernate.dialect.SQLServerDialect {

   public String appendIdentitySelectToInsert(String arg0) {
      return arg0;
   }

   [b]public boolean supportsInsertSelectIdentity() {
      return false;
   }[/b]

}



The method supportsInsertSelectIdentity, was the solution for my trouble, but i'm not sure if it will work in the future, couse i do only a test case, but at this moment it works

and i user the following config for hibernate with websphere!

Code:
    <property name="hibernate.dialect">br.com.glr.populis.util.compatibility.SQLServer7Dialect</property>
    <property name="hibernate.connection.datasource">jdbc/dsPOPULIS</property>
   <property name="TransactionStrategy">org.hibernate.transaction.CMTTransactionFactory</property>
   <property name="transaction.factory_class">org.hibernate.transaction.CMTTransactionFactory</property>
   <property name="TransactionManagerLookup">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="transaction.manager_lookup_class">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="TransactionManagerLookupStrategy">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="transaction.auto_close_session">true</property>
   <property name="transaction.flush_before_completion">true</property>



Its solved my problem for this time, i'll make more tests on this!

Thanks for no replies on this!
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 Profile  
 
gavin
 Post subject:
PostPosted: Thu Sep 22, 2005 9:52 pm 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 12:50 pm
Posts: 5130
Location: Melbourne, Australia
Quote:
Thanks for no replies on this!


How could anyone possibly have replied when the source of the problem was a bug in your custom Dialect that you did not even show in the original post?
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 Profile  
 
mdonato
 Post subject:
PostPosted: Fri Sep 23, 2005 2:46 pm 
Newbie

Joined: Tue Sep 20, 2005 5:06 pm
Posts: 9
gavin wrote:
Quote:
Thanks for no replies on this!


How could anyone possibly have replied when the source of the problem was a bug in your custom Dialect that you did not even show in the original post?



I think that someone could at least send to me some direction on how to solve this problem, but i've got no replies.

i dont wrote that to bother someone, it just was a relief.

Sorry if i bother you!
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