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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/08/27 22:49:54 UTC
[jira] [Updated] (HBASE-9358) Possible invalid iterator in
ServerManager#processQueuedDeadServers()
[ https://issues.apache.org/jira/browse/HBASE-9358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-9358:
-------------------------
Priority: Trivial (was: Major)
Can you help fix current issues in way of release rather than file new trivial ones [~ted_yu]?
> Possible invalid iterator in ServerManager#processQueuedDeadServers()
> ---------------------------------------------------------------------
>
> Key: HBASE-9358
> URL: https://issues.apache.org/jira/browse/HBASE-9358
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Trivial
>
> serverIterator is used this way:
> {code}
> Iterator<ServerName> serverIterator = queuedDeadServers.iterator();
> while (serverIterator.hasNext()) {
> ServerName tmpServerName = serverIterator.next();
> expireServer(tmpServerName);
> serverIterator.remove();
> {code}
> expireServer() modifies Iterable "this.queuedDeadServers" which invalidates iterator "serverIterator"
> Call to remove() is applied on invalid iterator "serverIterator"
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