[jacorb-developer] what orb property to change to avoid server running out of threads?

[Nick Cross]

Are you releasing your client reference (via the standard CORBA _release 
method) when you are finished? You could try altering the 
jacorb.connection.[server|client].max_idle_receptor_threads values.

Nick


On 27/05/15 00:43, David Rodenbaugh wrote:
> I am getting the error below after I upgraded from jacorb 2.3.0 to
> any of 3.0, 3.5, and 3.6.1.  A server process throws this error after
> a transient client command is invoked around 500 times in quick
> succession.  The client sends a message to the server and the server
> sends a response.  The client exits after sending a message to
> acknowledge the response.  I think the server is leaking the threads
> that handles the message from the client.  My orb properties are set
> the same as in 2.3.0 where this works, but I'm guessing I need to
> tweak a property for the newer versions of jacorb where I'm having
> the thread leakage issue.  I experimented with setting
> jacorb.connection.delay_close=off, and that worked longer, but still
> failed after 999 command invocations.  Any other suggestions for
> properties to tweak to get around this issue?
>
>
> org.omg.CORBA.NO_RESOURCES: (Pool)[0/1000] no idle threads but
> maximum number of threads reached (1000)
>
> at org.jacorb.util.threadpool.ThreadPool.putJob(ThreadPool.java:183)
>
> at
> org.jacorb.orb.giop.MessageReceptorPool.connectionCreated(MessageReceptorPool.java:86)
>
>  at
> org.jacorb.orb.giop.ClientConnectionManager.getConnection(ClientConnectionManager.java:135)
>
>  at org.jacorb.orb.Delegate.bind(Delegate.java:496)
>
> at org.jacorb.orb.Delegate.getObjectKey(Delegate.java:1029)
>
> at org.jacorb.orb.ORB.findPOA(ORB.java:569)
>
> at org.jacorb.orb.Delegate.resolvePOA(Delegate.java:1064)
>
> at org.jacorb.orb.Delegate.is_really_local(Delegate.java:1951)
>
> at org.jacorb.orb.Delegate.is_a(Delegate.java:1779)
>
> at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:53)
>
> at CommonCommunications.PortHelper.narrow(PortHelper.java:59)
>
> at
> com.raytheon.crss.core.ipc.portprotocol.MessageCourier.deliver(MessageCourier.java:584)
>
>  at
> com.raytheon.crss.core.ipc.portprotocol.MessageCourier.access$000(MessageCourier.java:50)
>
>  at
> com.raytheon.crss.core.ipc.portprotocol.MessageCourier$1.run(MessageCourier.java:506)
>
>  at java.lang.Thread.run(Thread.java:619)
>
>
> David
>
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