[jboss-jira] [JBoss JIRA] Created: (JGRP-1153) Shared transport badly broken

Fri Feb 12 10:22:10 EST 2010

Shared transport badly broken
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                 Key: JGRP-1153
                 URL: https://jira.jboss.org/jira/browse/JGRP-1153
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 2.7
         Environment: EHCache 1.7.2
ehcache-jgroupsreplication 1.3
JGroups 2.7.0.GA
            Reporter: BjÃ¶rn Kautler
            Assignee: Bela Ban

I tried to use JGroups with a shared transport (while using only one JChannel, the one EHCache uses for replication). At ProtocolStack.java:719 the TP.ProtocolAdapter is added to the protocol stack when a shared transport is used. This leads to problems after shunning. When the JChannel.CloserThread tries in line 2018 to reopen the JChannel, the Protocol Stack is recreated. But now the TP$ProtocolAdapter is part of the protocol stack and thus of the config string created from the protocol stack at JChannel:327. As the ProtocolAdapter does not have a default constructor, the whole thing explodes at Configurator:732 where the newInstance() call of course fails while the ProtocolAdapter probably shouldn't be in the protocol stack anyway at this point in time. I guess it would be added a second time at ProtocolStack.java:719 then. Also after disabling the shared transport it seems that the problem I was able to reproduce halfway reliably through restarting both instances simultaneously doesn't arise again without shared transport.

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