[jboss-jira] [JBoss JIRA] Commented: (JGRP-449) Changing signature of Channel.down() breaks drop in replacement with JGroups <= 2.4
[ http://jira.jboss.com/jira/browse/JGRP-449?page=comments#action_12357541 ]
Brian Stansberry commented on JGRP-449:
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The relevant call to down is in ClusterPartition.startService():
if (this.nodeName == null || "".equals(this.nodeName))
this.nodeName = generateUniqueNodeName ();
java.util.HashMap staticNodeName = new java.util.HashMap();
staticNodeName.put("additional_data", this.nodeName.getBytes());
this.channel.down(new org.jgroups.Event(org.jgroups.Event.CONFIG, staticNodeName));
Michael, you mentioned "used in a few places" -- did you see others (save me
some search time).
For 4.2.0.GA I'll change it so it makes that call via reflection. Presuming reverting
the method signature change is not an option, I don't see how this can be handled for
earlier AS releases.
Changing signature of Channel.down() breaks drop in replacement with
JGroups <= 2.4
-----------------------------------------------------------------------------------
Key: JGRP-449
URL: http://jira.jboss.com/jira/browse/JGRP-449
Project: JGroups
Issue Type: Bug
Affects Versions: 2.5
Environment: JGroups 2.5 beta-1
Reporter: Michael Newcomb
Assigned To: Bela Ban
Changing the signatue for Channel.down() from:
void down(Event e);
to:
Object down(Event e);
Causes NoSuchMethodError to be thrown in JBoss 4.0.5.
This is not a super major issue (just need to recompile JBoss), but since our project
doesn't like the idea of recompiling JBoss (want to get it directly from the site) it
is a show stopper.
If drop-in replacement for JGroups <= 2.4 is a requirment, something will have to be
done but the result of Channel.down() is only used in a few places, so it shouldn't be
too much to get it to work.
It looks like it is just the JBoss HA service that uses Channel.down() explicitly.
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