[jboss-jira] [JBoss JIRA] Resolved: (JGRP-928) Deadlock with concurrent stack in FC if RPC response blocks
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https://jira.jboss.org/jira/browse/JGRP-928?page=com.atlassian.jira.plugi...
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Bela Ban resolved JGRP-928.
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Resolution: Done
Made ignore_thread a ThreadLocal<Boolean>. False by default, on up(), the thread
sets it to true (and to false when the up call returns). The down() method checks if it is
set to true (if enabled) and doesn't block on credits if so.
Deadlock with concurrent stack in FC if RPC response blocks
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Key: JGRP-928
URL: https://jira.jboss.org/jira/browse/JGRP-928
Project: JGroups
Issue Type: Bug
Affects Versions: 2.6.8
Reporter: Brian Stansberry
Assignee: Bela Ban
Fix For: 2.6.9, 2.8
JGroups 2.4 and earlier had a deadlock problem in FC if a thread carrying an RPC came
back down the stack with a response and blocked for credits. This was fixed with
JGRP-465. But with the concurrent stack that fix has broken; needs to be reinstated. The
variable that tracks upgoing threads needs to be converted from a ref to a Thread to a
Set<Thread>.
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