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https://issues.apache.org/jira/browse/HBASE-7352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13531871#comment-13531871
]
Ted Yu commented on HBASE-7352:
-------------------------------
bq. something failed internally but was allowed to continue to do the dir
rename at some point.
This is not desirable. Renaming directory should only take place after all
regions are copied.
> clone operation from HBaseAdmin can hang forever.
> -------------------------------------------------
>
> Key: HBASE-7352
> URL: https://issues.apache.org/jira/browse/HBASE-7352
> Project: HBase
> Issue Type: Sub-task
> Components: Client, master, regionserver, snapshots, Zookeeper
> Reporter: Jonathan Hsieh
> Fix For: hbase-6055, 0.96.0
>
>
> Sometimes the clone operation from the hbase shell can hang. The table has
> been created (it shows up in the web ui), but does not have any entries in
> META.
> There don't seem to be any clone, snapshot, enable or disable found in the
> master's jstack.
> Here's a trace from the HBaseAdmin:
> {code}
> "main" prio=10 tid=0x00007f782800d000 nid=0x25c waiting on condition
> [0x00007f782f9bf000]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.cloneSnapshot(HBaseAdmin.java:2413)
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.cloneSnapshot(HBaseAdmin.java:2393)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:465)
> at org.jruby.javasupport.JavaMethod.invokeDirect(JavaMethod.java:323)
> at
> org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:69)
> at
> org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:201)
> at org.jruby.ast.CallTwoArgNode.interpret(CallTwoArgNode.java:59)
> at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
> ... (more jruby stack) ...
> {code}
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