[jboss-jira] [JBoss JIRA] Closed: (JGRP-298) Throws ConcurrentModificationException when start several consoles running our application

[Sammi Ting (JIRA)]

     [ http://jira.jboss.com/jira/browse/JGRP-298?page=all ]

Sammi Ting closed JGRP-298.
---------------------------

    Resolution: Done

Found 2.4 should solve the problem.

> Throws ConcurrentModificationException when start several consoles running our application
> ------------------------------------------------------------------------------------------
>
>                 Key: JGRP-298
>                 URL: http://jira.jboss.com/jira/browse/JGRP-298
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.3
>         Environment: Windows XP, JDK 5.0
>            Reporter: Sammi Ting
>         Assigned To: Bela Ban
>            Priority: Minor
>             Fix For: 2.4
>
>         Attachments: debug.log
>
>
> Extracted from log file, start at 2006-09-02 12:33:33 and throw exception at 2006-09-02 12:33:37
> 2006-09-02 12:33:33,945 DEBUG [ main] foundation.connectivity.L2Main#getClassBaseName() -  className = 'L2Main'
> ....
> 2006-09-02 12:33:37,793 DEBUG [ main] connectivity.jgroups.JGroupsNetworkConnectionManager#connect() -  channel is null
> 2006-09-02 12:33:37,809 DEBUG [ main] connectivity.jgroups.JGroupsNetworkConnectionManager#connect() -  props = 'TCP(enable_diagnostics=false;start_port=8000;recv_buf_size=200000;
> send_buf_size=100000;loopback=true):TCPPING(timeout=3000;
> initial_hosts=10.253.1.74[8000];port_range=4;num_initial_members=4):
> FD(timeout=2000;max_tries=4):
> VERIFY_SUSPECT(timeout=1500;down_thread=false;up_thread=false):
> pbcast.NAKACK(gc_lag=100;retransmit_timeout=600,1200,2400,4800):
> pbcast.STABLE(stability_delay=500;desired_avg_gossip=20000;
> max_bytes=40000000;down_thread=false;up_thread=false):
> VIEW_SYNC(down_thread=false;avg_send_interval=60000;up_thread=false):
> pbcast.GMS(print_local_addr=true;join_timeout=5000;join_retry_timeout=2000;shun=true)'
> 2006-09-02 12:33:40,660 ERROR [ DownHandler (TCP)] jgroups.stack.DownHandler#run() -  DownHandler (TCP) caught exception
> java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.remove(HashMap.java:806)
> 	at java.util.AbstractCollection.retainAll(AbstractCollection.java:393)
> 	at org.jgroups.blocks.ConnectionTable.retainAll(ConnectionTable.java:393)
> 	at org.jgroups.protocols.TCP.handleDownEvent(TCP.java:188)
> 	at org.jgroups.protocols.TP.down(TP.java:673)
> 	at org.jgroups.stack.DownHandler.run(Protocol.java:121)

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