8:45 a.m.
Hi all,
I am very frustrated by my conversation problem. I don't know where is wrong in my
project settings. It seems that my environment only allows one conversation exist
concurrently. For example, after I click @Begin to create a conversation SFSB, then when I
try to click @Begin to start another conversation SFSB, I ALWAYS get an exception, which
asks me to use @Begin(join=true), but they are two different conversation SFSBs. Following
are my codes:
First, I use a conversation SFSB to find study list:<h:commandButton value="List
Study" action="#{studyList.findStudy}"/>
|
|
| @Stateful
| @Scope(CONVERSATION)
| @Name("studyList")
| public class StudyListAction implements StudyList {
|
| ...
| @Create
| @Begin
| public init() {
| ...
| }
|
| @Begin(join=true)
| public String findStudy {
| ...
| }
|
| ...
| }
Then I try to create a new study at "Create Study":<h:commandLink
value="Create Study" action="#{studyEditor.createInstance}"/>
|
|
| @Stateful
| @Scope(CONVERSATION)
| @Name("studyEditor")
| public class StudyEditorBean implements StudyEditor {
|
| ...
|
| @Begin
| public String createInstance {
| ...
| }
|
|
| ...
| }
At this moment, I always get the following exception:21:53:43,203 FATAL [application]
javax.ejb.EJBTransactionRolledbackException: begin method invoked from a long running
conversation, try using @Begin(join=true) on method: createInstance
| javax.faces.el.EvaluationException: javax.ejb.EJBTransactionRolledbackException: begin
method invoked from a long running conversation, try using @Begin(join=true) on method:
createInstance
| at
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91)
| at
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
| at javax.faces.component.UICommand.broadcast(UICommand.java:383)
| at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
| at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
| at
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
| at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
| at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
| at
com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCycle(ReceiveSendUpdates.java:57)
| at
com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:45)
| at com.icesoft.faces.webapp.http.core.IDVerifier.service(IDVerifier.java:25)
| at
com.icesoft.faces.webapp.http.core.ViewBoundServer.service(ViewBoundServer.java:52)
| at
com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer$Matcher.serviceOnMatch(PathDispatcherServer.java:50)
| at
com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:19)
| at
com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)
| at
com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:29)
| at
com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:109)
| at
com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:35)
| at
com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)
| at
com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)
| at
com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:98)
| 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.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:687)
| at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
| at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:364)
| at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
| at
com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:54)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
| at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)
| at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
| at
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:150)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
| 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:128)
| at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
| 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:241)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
| at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
| at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| at java.lang.Thread.run(Thread.java:595)
| ...........
Any help will be very very appreciated. Thank you soooo much in advance.
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