Hibernate error while deploying process in a web application
vignesh57 Jul 7, 2009 4:51 AMi am trying to implement jBPM in a J2EE Web application. I am doing three things.
1) Deploy a process
2) Start an instance.
3) Show a list of available instances.
My Environment:
jBPM : 3.2.X
jBoss : 4.2.X
Database: MySQL
Below is the piece of code embedded in a method inside a DAO class. This is invoked from the servlet when the user hits the Deploy button in the jsp page.
public String redeployProcess(String processName) { System.out.println("->public String redeployProcess(String processName)"); System.out.println("----->Creating jBPM Configuration...."); JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext(); try { System.out.println("----->Parsing process definition...."); ProcessDefinition processDefinition = ProcessDefinition.parseXmlResource(processName); System.out.println("----->Deploying Process definition...."); jbpmContext.deployProcessDefinition(processDefinition); System.out.println("----->Deploy Successful...."); return "Process " + processDefinition.getName() + " redeployed."; } finally { System.out.println("----->Closing jBPM Context...."); jbpmContext.close(); } }
And this is the exception i got....
->public String redeployProcess(String processName) 13:45:38,882 INFO [STDOUT] ----->Creating jBPM Configuration.... 13:45:38,882 INFO [STDOUT] ----->Parsing process definition.... 13:45:38,928 INFO [STDOUT] ----->Deploying Process definition.... 13:45:38,928 INFO [STDOUT] ----->Closing jBPM Context.... 13:45:38,928 ERROR [[JBPMServlet]] Servlet.service() for servlet JBPMServlet threw exception org.hibernate.HibernateException: No CurrentSessionContext configured! at org.hibernate.impl.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:542) at org.jbpm.persistence.db.DbPersistenceService.getSession(DbPersistenceService.java:90) at org.jbpm.persistence.db.DbPersistenceService.getGraphSession(DbPersistenceService.java:330) at org.jbpm.JbpmContext.getGraphSession(JbpmContext.java:636) at org.jbpm.JbpmContext.deployProcessDefinition(JbpmContext.java:170) at com.sample.dao.JBPMDao.redeployProcess(JBPMDao.java:23) at com.sample.JBPMServlet.doGet(JBPMServlet.java:34) 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:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 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:262) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) at java.lang.Thread.run(Thread.java:595)
Works well in Tomcat !
I ran this application in Tomcat and it worked perfectly alright. Initially i faced some problems but with the help of existing posts, i made it work well.....
Why not in jBoss ?
If it works well in Tomcat, then it must work in jBoss too. And also i dont know Hibernate. I can see that it is trying to get a Session through SessionFactoryImpl.getCurrentSession() and the effort fails.
But how is it able to get one in Tomcat ?
Any help here would be deeply appreciated. if I am missing out to provide any info, please do ask me.