[jboss-jira] [JBoss JIRA] (AS7-3811) Implement a timeout on EJB client invocations

Dimitris Andreadis (JIRA) jira-events at lists.jboss.org
Wed Feb 29 13:47:37 EST 2012


    [ https://issues.jboss.org/browse/AS7-3811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672242#comment-12672242 ] 

Dimitris Andreadis commented on AS7-3811:
-----------------------------------------

I agree with Rado on this one. You cannot just block a client forever on any synchronous call and you shouldn't force a switch to asynchronous mode just to get a timeout facility.
                
> Implement a timeout on EJB client invocations
> ---------------------------------------------
>
>                 Key: AS7-3811
>                 URL: https://issues.jboss.org/browse/AS7-3811
>             Project: Application Server 7
>          Issue Type: Feature Request
>          Components: Clustering
>    Affects Versions: 7.1.0.Final
>            Reporter: Radoslav Husar
>            Assignee: jaikiran pai
>            Priority: Critical
>              Labels: eap6_LA
>             Fix For: 7.1.1.Final
>
>
> IMHO a client must support a timeout. Very often when things go wrong the clients get stuck indefinitely.
> Maybe this problem go even deeper, something on the server failed but didnt reply to the client. This is often encoutered during failover undeploy test (50 of 200 clients got stuck :-) ).
> {noformat}
> "Runner - 16" daemon prio=10 tid=0x00007fb7a0025000 nid=0x4d7a in Object.wait() [0x00007fb78b3f2000]
>    java.lang.Thread.State: WAITING (on object monitor)
>         at java.lang.Object.wait(Native Method)
>         at java.lang.Object.wait(Object.java:485)
>         at org.jboss.ejb.client.EJBClientInvocationContext.awaitResponse(EJBClientInvocationContext.java:330)
>         - locked <0x00000006c013ae50> (a java.lang.Object)
>         at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:140)
>         at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:121)
>         at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:104)
>         at $Proxy0.getSerialAndIncrement(Unknown Source)
>         at org.jboss.smartfrog.clustering.ejb3.StatefulSBProcessorFactoryImpl$EJB3RequestProcessor.processRequest(StatefulSBProcessorFactoryImpl.java:68)
>         at org.jboss.smartfrog.loaddriver.CompoundRequestProcessorFactoryImpl$CompoundRequestProcessor.processRequest(CompoundRequestProcessorFactoryImpl.java:51)
>         at org.jboss.smartfrog.loaddriver.Runner.run(Runner.java:87)
>         at java.lang.Thread.run(Thread.java:662)
> {noformat}

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