[HBASE-12196] SSH should retry in case failed to assign regions

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.99.1
• Hadoop Flags: Reviewed
• Assignee: Jimmy Xiang
• Reporter: Jimmy Xiang
• Created: 07/Oct/14 21:59
• Updated: 06/Apr/18 17:55
• Resolved: 08/Oct/14 03:43

Description

If there is only master alive, all regionservers are down, SSH can't find a plan to assign user regions. In this case, SSH should retry.

2014-10-07 14:05:18,310 ERROR [MASTER_SERVER_OPERATIONS-a2424:20020-2] executor.EventHandler: Caught throwable while processing event M_SERVER_SHUTDOWN
java.io.IOException: Unable to determine a plan to assign region(s)
        at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1411)
        at org.apache.hadoop.hbase.master.handler.ServerShutdownHandler.process(ServerShutdownHandler.java:272)
        at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)