[jboss-user] [jBPM] - Help: Error happened when access "http://localhost:8080/gwt-console-server/rs/process/instance/1/dataset"

he jack [http://community.jboss.org/people/jackhe] created the document: "Help: Error happened when access "http://localhost:8080/gwt-console-server/rs/process/instance/1/dataset"" To view the document, visit: http://community.jboss.org/docs/DOC-17113 -------------------------------------------------------------- *Can any body give me help? Thanks very much.* org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: Could not initialize stateful knowledge session: java.lang.reflect.InvocationTargetException org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:319) org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:230) org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:206) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:360) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) *root cause* java.lang.RuntimeException: Could not initialize stateful knowledge session: java.lang.reflect.InvocationTargetException      org.jbpm.integration.console.CommandDelegate.newStatefulKnowledgeSession(CommandDelegate.java:185)      org.jbpm.integration.console.CommandDelegate.getSession(CommandDelegate.java:193)      org.jbpm.integration.console.CommandDelegate.<init>(CommandDelegate.java:71)      org.jbpm.integration.console.ProcessManagement.<init>(ProcessManagement.java:35)      org.jbpm.integration.console.ManagementFactory.createProcessManagement(ManagementFactory.java:22)      org.jbpm.integration.console.ManagementFactory.createProcessManagement(ManagementFactory.java:19)      org.jboss.bpm.console.server.ProcessMgmtFacade.getProcessManagement(ProcessMgmtFacade.java:98)      org.jboss.bpm.console.server.ProcessMgmtFacade.getInstanceData(ProcessMgmtFacade.java:222)      sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)      sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)      sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)      java.lang.reflect.Method.invoke(Method.java:597)      org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)      org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)      org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)      org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)      org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)      org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)      org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)      org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)      org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)      javax.servlet.http.HttpServlet.service(HttpServlet.java:717)      org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)      org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) ..... Caused by: java.lang.ClassCastException: org.h2.index.PageDataLeaf cannot be cast to org.h2.index.PageBtree at org.h2.index.PageBtreeIndex.getPage(PageBtreeIndex.java:139) at org.h2.index.PageBtreeIndex.<init>(PageBtreeIndex.java:60) at org.h2.table.TableData.addIndex(TableData.java:209) at org.h2.store.PageStore.addMeta(PageStore.java:1339) at org.h2.store.PageStore.redo(PageStore.java:1185) at org.h2.store.PageLog.recover(PageLog.java:285) at org.h2.store.PageStore.recover(PageStore.java:1051) at org.h2.store.PageStore.openExisting(PageStore.java:310) at org.h2.store.PageStore.open(PageStore.java:268) at org.h2.engine.Database.getPageStore(Database.java:2305) at org.h2.engine.Database.open(Database.java:624) at org.h2.engine.Database.openDatabase(Database.java:227) ... 6 more -------------------------------------------------------------- Comment by going to Community [http://community.jboss.org/docs/DOC-17113] Create a new document in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=102&am...]