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List:       openjms-developer
Subject:    [openjms-developer] [ openjms-Bugs-1058427 ] QueueDestinationCache throws IndexOutOfBoundsException
From:       "SourceForge.net" <noreply () sourceforge ! net>
Date:       2005-08-31 5:58:17
Message-ID: E1EALc1-0007Fe-RU () sc8-sf-web4 ! sourceforge ! net
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Bugs item #1058427, was opened at 2004-11-02 08:47
Message generated for change (Comment added) made by tanderson
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=474136&aid=1058427&group_id=54559

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: server
>Group: v0.7.6.1
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Dmitri Afanassiev (dmitria)
>Assigned to: Tim Anderson (tanderson)
Summary: QueueDestinationCache throws IndexOutOfBoundsException

Initial Comment:
03:14:47.605 ERROR [RMI TCP Connection(1027)-
192.168.254.17] - Failed to make message persistent
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
        at java.util.LinkedList.entry(LinkedList.java:343)
        at java.util.LinkedList.get(LinkedList.java:286)
        at java.util.Collections$SynchronizedList.get
(Collections.java:1323)
        at 
org.exolab.jms.messagemgr.QueueDestinationCache.getE
ndpointForMessage(QueueDestinationCache.java:459)
        at 
org.exolab.jms.messagemgr.QueueDestinationCache.persi
stentMessageAdded(QueueDestinationCache.java:384)
        at 
org.exolab.jms.messagemgr.MessageMgr.notifyOnAddPersi
stentMessage(MessageMgr.java:717)
        at 
org.exolab.jms.messagemgr.MessageMgr.addPersistentMe
ssage(MessageMgr.java:386)
        at org.exolab.jms.messagemgr.MessageMgr.add
(MessageMgr.java:281)
        at 
org.exolab.jms.server.JmsServerSession.sendMessage
(JmsServerSession.java:350)
        at 
org.exolab.jms.server.rmi.RmiJmsServerSession.sendMess
age(RmiJmsServerSession.java:174)
        at java.lang.reflect.Method.invoke(Native Method)
        at sun.rmi.server.UnicastServerRef.dispatch
(UnicastServerRef.java:236)
        at sun.rmi.transport.Transport$1.run
(Transport.java:147)
        at java.security.AccessController.doPrivileged
(Native Method)
        at sun.rmi.transport.Transport.serviceCall
(Transport.java:143)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages
(TCPTransport.java:460)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.ru
n(TCPTransport.java:701)
        at java.lang.Thread.run(Thread.java:479)

I have system with one QueueSender submitting 
thousands of persistent messages to one queue and 
several QueueReceiver's retrieving messages from this 
queue. Number of receiver's changes time to time (some 
connecting and some disconnecting) and sometimes (in 
my test it happens between 300k..1M messages) I'm 
catching this exception and QueueSender.send() fails. It 
looks like problem is in "incomplete" synchronization of  
_consumers object. However, additional synchronization 
may cause performance degradation and I preferred just 
to add special exception handling in 
QueueDestinationCache class (reset index to 0 after 
such exception, verify size of the list and try again).


----------------------------------------------------------------------

>Comment By: Tim Anderson (tanderson)
Date: 2005-08-31 15:58

Message:
Logged In: YES 
user_id=557161

Fixed in CVS. Fix will available in 0.7.7-alpha-2.

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=474136&aid=1058427&group_id=54559


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