Sandip Bhoi [http://community.jboss.org/people/sandip.bhoi] created the discussion
"Re: jBPM5.1 : History Information and Reporting using API" To view the discussion, visit: http://community.jboss.org/message/638221#638221 -------------------------------------------------------------- Hi Demian, Sorry for being so dump :( What could be the wrong with following code. I am getting NPE. public void init() throws ServletException { super.init(); try { UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction"); ut.begin(); StatefulKnowledgeSession ksession = JbpmAPIUtil.getSession(); /* Create the knowledge base */ JPAWorkingMemoryDbLogger logger = new JPAWorkingMemoryDbLogger (ksession); JPAProcessInstanceDbLog processInstaceLogger = new JPAProcessInstanceDbLog (ksession.getEnvironment()); CommandBasedWSHumanTaskHandler taskHandler = new CommandBasedWSHumanTaskHandler(ksession); ksession.getWorkItemManager().registerWorkItemHandler("Human Task", taskHandler); taskHandler.connect(); ut.commit(); logger.dispose(); processInstaceLogger.dispose(); } catch (Throwable t) { // log.error(t.getMessage(), t.getCause()); throw new RuntimeException("error while creating session", t); } } Nov 24, 2011 10:26:14 PM org.apache.catalina.core.ApplicationContext log SEVERE: StandardWrapper.Throwable java.lang.RuntimeException: error while creating session at com.sample.processserver.TaskProcessServlet.init(TaskProcessServlet.java:43) at javax.servlet.GenericServlet.init(GenericServlet.java:160) at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1190) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1103) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1010) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957) at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284) at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException at org.jbpm.process.audit.JPAProcessInstanceDbLog.dispose(JPAProcessInstanceDbLog.java:165) at com.sample.processserver.TaskProcessServlet.init(TaskProcessServlet.java:40) ... 12 more Nov 24, 2011 10:26:14 PM org.apache.catalina.core.StandardContext loadOnStartup SEVERE: Servlet /OrderFactoryWeb threw load() exception java.lang.NullPointerException at org.jbpm.process.audit.JPAProcessInstanceDbLog.dispose(JPAProcessInstanceDbLog.java:165) at com.sample.processserver.TaskProcessServlet.init(TaskProcessServlet.java:40) at javax.servlet.GenericServlet.init(GenericServlet.java:160) at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1190) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1103) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1010) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957) at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284) at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Nov 24, 2011 10:26:14 PM org.apache.solr.servlet.SolrServlet init INFO: SolrServlet.init() -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/638221#638221] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034]
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