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List:       jacorb-developer
Subject:    Re: [jacorb-developer] Need Help - Jacorb threads climb to over	900
From:       Marcel Hartwig <Marcel.Hartwig () web ! de>
Date:       2005-09-06 19:17:48
Message-ID: 431DEB5C.3080409 () web ! de
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maybe, the connection is not closed correctly after communikation, and 
the threads become more and more....


Bishop, Jeff (N-FASI) schrieb:

> Okay, but 626 and 577 seem to address the issue of being blocked in a "wait" when \
> attempting to establish a connection.  From what I gather from the code and trace \
> below, the connection is already established and these threads appear to be blocked \
> in a "read" from clients.  How are these related? 
> Thanks.
> 
> -----Original Message-----
> From: jacorb-developer-bounces+jeff.bishop=lmco.com@lists.spline.inf.fu-berlin.de \
> [mailto:jacorb-developer-bounces+jeff.bishop=lmco.com@lists.spline.inf.fu-berlin.de] \
>                 On Behalf Of Marcel Hartwig
> Sent: Tuesday, September 06, 2005 1:53 PM
> To: Discussions concerning CORBA development with JacORB
> Subject: Re: [jacorb-developer] Need Help - Jacorb threads climb to over 900 with \
> Same Stack Trace - JVM Needs Reset 
> Your thraeds are all runnable...
> But i know this Prblem, please read the following bug report: 626 and 577
> 
> 
> Bishop, Jeff (N-FASI) schrieb:
> 
> 
> 
> > I have Linux Java application running several Jacorb servers (jacorb
> > 2.2) servicing a number of nodes.  Some of these nodes are using Mico 
> > while others are using Jacorb.  Over time (4 hours), the thread count 
> > climbs to over 1600, at which point the JVM must be restarted.  A 
> > thread dump shows over 900 jacorb-related threads with the same stack 
> > trace (below).
> > 
> > Can someone suggest what could be causing this?  Is there a 
> > configuration parameter that is potentially not set correctly?  Has a 
> > related bug been fixed since version 2.2 (I couldn't find anything that 
> > resembled this).
> > 
> > Thanks.
> > 
> > Stack Trace:
> > 
> > "Thread-15021" daemon prio=1 tid=0xb20b9b88 nid=0x7a64 runnable 
> > [0x34e14000..0x34e150c0]
> > at java.net.SocketInputStream.socketRead0(Native Method)
> > at java.net.SocketInputStream.read(SocketInputStream.java:129)
> > at org.jacorb.orb.iiop.IIOPConnection.read(Unknown Source)
> > at org.jacorb.orb.giop.GIOPConnection.getMessage(Unknown Source)
> > at org.jacorb.orb.giop.GIOPConnection.receiveMessages(Unknown
> > Source)
> > at org.jacorb.orb.giop.MessageReceptor.doWork(Unknown Source)
> > at org.jacorb.util.threadpool.ConsumerTie.run(Unknown Source)
> > at java.lang.Thread.run(Thread.java:595)
> > 
> > "Thread-15019" daemon prio=1 tid=0x69aebc58 nid=0x7a62 runnable 
> > [0x46a8c000..0x46a8d1c0]
> > at java.net.SocketInputStream.socketRead0(Native Method)
> > at java.net.SocketInputStream.read(SocketInputStream.java:129)
> > at org.jacorb.orb.iiop.IIOPConnection.read(Unknown Source)
> > at org.jacorb.orb.giop.GIOPConnection.getMessage(Unknown Source)
> > at org.jacorb.orb.giop.GIOPConnection.receiveMessages(Unknown
> > Source)
> > at org.jacorb.orb.giop.MessageReceptor.doWork(Unknown Source)
> > at org.jacorb.util.threadpool.ConsumerTie.run(Unknown Source)
> > at java.lang.Thread.run(Thread.java:595)
> > 
> > "Thread-15018" daemon prio=1 tid=0x0899fd40 nid=0x7a61 runnable 
> > [0x45d72000..0x45d73140]
> > at java.net.SocketInputStream.socketRead0(Native Method)
> > at java.net.SocketInputStream.read(SocketInputStream.java:129)
> > at org.jacorb.orb.iiop.IIOPConnection.read(Unknown Source)
> > at org.jacorb.orb.giop.GIOPConnection.getMessage(Unknown Source)
> > at org.jacorb.orb.giop.GIOPConnection.receiveMessages(Unknown
> > Source)
> > at org.jacorb.orb.giop.MessageReceptor.doWork(Unknown Source)
> > at org.jacorb.util.threadpool.ConsumerTie.run(Unknown Source)
> > at java.lang.Thread.run(Thread.java:595)
> > 
> > 
> > 
> > -----------------------------------------------------------------------
> > -
> > 
> > _______________________________________________
> > jacorb-developer maillist  -  
> > jacorb-developer@lists.spline.inf.fu-berlin.de
> > http://lists.spline.inf.fu-berlin.de/mailman/listinfo/jacorb-developer
> > 
> > 
> > 
> > 
> 
> 
> 
> 


-- 

Mit freundlichen Grüßen

Marcel Hartwig

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