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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11201) Enable global procedure members to return values to procedure master
Date Tue, 20 May 2014 20:33:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003933#comment-14003933

Mikhail Antonov commented on HBASE-11201:

Got the same failure of TestHCM running hadoop-qa on HBASE-11108. 

Caused by: java.lang.UnsupportedOperationException: Only supported on java 7+.
	at io.netty.channel.socket.nio.NioDatagramChannel.checkJavaVersion(NioDatagramChannel.java:103)
	at io.netty.channel.socket.nio.NioDatagramChannel.joinGroup(NioDatagramChannel.java:381)
	at org.apache.hadoop.hbase.master.ClusterStatusPublisher$MulticastPublisher.connect(ClusterStatusPublisher.java:271)

Is there jira for that? It passes on jdk 7 locally. This multicast thing doesn't work on jdk7?

> Enable global procedure members to return values to procedure master
> --------------------------------------------------------------------
>                 Key: HBASE-11201
>                 URL: https://issues.apache.org/jira/browse/HBASE-11201
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jerry He
>            Assignee: Jerry He
>             Fix For: 0.99.0
>         Attachments: HBASE-11201-trunk-v1.patch
> Currently in the global procedure framework, the procedure coordinator can send data
(procedure argument) to the members when starting procedure.
> But we don't support getting data returned from the procedure members back to the master.
> Similar to RPC and normal procedure/function calls, in many cases, this is a useful capability.
> The infrastructure is in place. We just need to plug in the holes and make it happen.

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