Thanks, Emond! https://issues.apache.org/jira/browse/WICKET-5832
Martin Grigorov Wicket Training and Consulting https://twitter.com/mtgrigorov On Mon, Feb 9, 2015 at 10:50 AM, Emond Papegaaij <emond.papega...@topicus.nl > wrote: > Hi Martin, > > Unfortunately, there is no way to check if a certain context is active. > Also, > the websockets and CDI specs still don't align ( > https://issues.jboss.org/browse/CDI-370 ). For now, I agree the only > thing we > can do is catch the exception, probably > javax.enterprise.context.ContextNotActiveException, and hope the user does > not > need any Request-, Session- or ConversationScoped beans. > > Best regards, > Emond > > On Monday 09 February 2015 10:40:06 Martin Grigorov wrote: > > Hi, > > > > The other day I've helped Sebastien with the task he explained at > > http://markmail.org/message/mmviy6tsv47g7rhr. > > > > The problem we hit is that when an non-http thread needs to write to > Native > > WebSockets connection it fails at Weld check for active context > > at ConversationPropagator#onRequestHandlerScheduled(). > > > > When Native WS creates the dummy RequestCycle at > > > > > org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.broadcastMessa > > ge(AbstractWebSocketProcessor.java:218) > > [wicket-native-websocket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > > > it also calls > > > org.apache.wicket.request.cycle.RequestCycle.scheduleRequestHandlerAfterCurr > > ent(RequestCycle.java:794) > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > > > that notifies all IRequestCycleListeners about the scheduled request > > handler. > > > > > https://github.com/apache/wicket/blob/master/wicket-cdi-1.1/src/main/java/or > > g/apache/wicket/cdi/ConversationPropagator.java#L130 checks whether the > > conversation is transient and this leads to the error below. > > > > In the use case there is no usage of CDI in the non-http thread at all. > It > > is just that ConversationPropagator as IRequestCycleListener is notified > > and it tries to do its checks. > > > > As a workaround I've try/catched ConversationPropagator.java#L130 and > > returned null in case of exception. > > > > Is there a better way to check for active context before trying to do: if > > (conversation.isTransient()) ? > > > > > > [0m [31m10:28:05,358 ERROR [org.apache.wicket.cdi.ConversationPropagator] > > (pool-5-thread-1) No context!: > > org.jboss.weld.context.ContextNotActiveException: WELD-001303: No active > > contexts for scope type javax.enterprise.context.RequestScoped > > at > > > org.jboss.weld.manager.BeanManagerImpl.getContext(BeanManagerImpl.java:680) > > [weld-core-impl-2.1.2.Final.jar:2014-01-09 09:23] > > at > > > org.jboss.weld.bean.proxy.ContextBeanInstance.getInstance(ContextBeanInstanc > > e.java:79) [weld-core-impl-2.1.2.Final.jar:2014-01-09 09:23] > > at > > > org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java: > > 99) [weld-core-impl-2.1.2.Final.jar:2014-01-09 09:23] > > at > > > org.jboss.weld.proxies.Conversation$1224015424$Proxy$_$$_WeldClientProxy.isT > > ransient(Unknown Source) > > at > > > org.apache.wicket.cdi.ConversationPropagator.onRequestHandlerScheduled(Conve > > rsationPropagator.java:132) > > [wicket-cdi-1.1-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection$7.notify(Requ > > estCycleListenerCollection.java:182) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection$7.notify(Requ > > estCycleListenerCollection.java:178) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.util.listener.ListenerCollection.notify(ListenerCollection > > .java:80) [wicket-util-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection.onRequestHand > > lerScheduled(RequestCycleListenerCollection.java:177) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection$7.notify(Requ > > estCycleListenerCollection.java:182) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection$7.notify(Requ > > estCycleListenerCollection.java:178) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.util.listener.ListenerCollection.notify(ListenerCollection > > .java:80) [wicket-util-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection.onRequestHand > > lerScheduled(RequestCycleListenerCollection.java:177) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection$7.notify(Requ > > estCycleListenerCollection.java:182) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection$7.notify(Requ > > estCycleListenerCollection.java:178) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.util.listener.ListenerCollection.notify(ListenerCollection > > .java:80) [wicket-util-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycleListenerCollection.onRequestHand > > lerScheduled(RequestCycleListenerCollection.java:177) > > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.request.cycle.RequestCycle.scheduleRequestHandlerAfterCurr > > ent(RequestCycle.java:794) > [wicket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.broadcastMessag > > e(AbstractWebSocketProcessor.java:218) > > [wicket-native-websocket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at > > > org.apache.wicket.protocol.ws.api.AbstractWebSocketConnection.sendMessage(Ab > > stractWebSocketConnection.java:43) > > [wicket-native-websocket-core-7.0.0-SNAPSHOT.jar:7.0.0-SNAPSHOT] > > at quickstart.ws.WorkflowListener.onMessage(WorkflowListener.java:61) > > [classes:] > > at quickstart.ejb.WorkflowBean$1.run(WorkflowBean.java:85) > > [quickstart-ejb-1.0-SNAPSHOT.jar:] > > at quickstart.ejb.WorkflowBean.start(WorkflowBean.java:53) > > [quickstart-ejb-1.0-SNAPSHOT.jar:] > > at quickstart.ejb.WorkflowBean$Proxy$_$$_WeldClientProxy.start(Unknown > > Source) [quickstart-ejb-1.0-SNAPSHOT.jar:] > > at quickstart.HomePage$3.run(HomePage.java:80) [classes:] > > at quickstart.MyApplication$TasksRunnable.run(MyApplication.java:80) > > [classes:] > > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > > [rt.jar:1.7.0_72] > > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > > [rt.jar:1.7.0_72] > > at > > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$ > > 201(ScheduledThreadPoolExecutor.java:178) [rt.jar:1.7.0_72] > > at > > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Sch > > eduledThreadPoolExecutor.java:292) [rt.jar:1.7.0_72] > > at > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:11 > > 45) [rt.jar:1.7.0_72] > > at > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6 > > 15) [rt.jar:1.7.0_72] > > at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_72] > > > > > > > > Martin Grigorov > > Wicket Training and Consulting > > https://twitter.com/mtgrigorov > >
