[jboss-user] [jBPM Users] - Re: NullPointer Exception when starting a process whith Tomc

| java.lang.NullPointerException | at org.jbpm.pvm.internal.svc.ExecutionServiceImpl.startProcessInstanceByKey(ExecutionServiceImpl.ja | va:66) | at javaclass.DAO.BillDAO.findByExample(BillDAO.java:45) | at javaclass.action.ListBillAction.execute(ListBillAction.java:29) | at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58) | at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67) | at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) | at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) | at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305) | at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) | at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) | at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) | at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290 | ) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) | | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) | at java.lang.Thread.run(Unknown Source) | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4253726#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...