[jira] [Commented] (HBASE-11627) RegionSplitter's rollingSplit terminated with "/ by zero", and the _balancedSplit file was not deleted properly

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-11627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14082183#comment-14082183 ] 

Hadoop QA commented on HBASE-11627:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12659138/HBASE_11627-v3.patch
  against trunk revision .
  ATTACHMENT ID: 12659138

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.mapred.TestTableSnapshotInputFormat
                  org.apache.hadoop.hbase.regionserver.TestEndToEndSplitTransaction
                  org.apache.hadoop.hbase.regionserver.TestRegionReplicas
                  org.apache.hadoop.hbase.client.TestReplicasClient
                  org.apache.hadoop.hbase.master.TestRestartCluster
                  org.apache.hadoop.hbase.TestIOFencing

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/10258//console

This message is automatically generated.

> RegionSplitter's rollingSplit terminated with "/ by zero", and the _balancedSplit file was not deleted properly
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11627
>                 URL: https://issues.apache.org/jira/browse/HBASE-11627
>             Project: HBase
>          Issue Type: Bug
>          Components: Admin, util
>    Affects Versions: 0.96.2, 0.98.1
>         Environment: CentOS release 6.4 (Final)   x86_64  && hbase-0.98.1-cdh5.1.0
>            Reporter: louis hust
>            Priority: Critical
>              Labels: newbie
>             Fix For: 0.96.2, 0.98.1
>
>         Attachments: HBASE_11627-v2.patch, HBASE_11627-v3.patch, HBASE_11627.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> First create a table
> {quote}
> > create 't1', 'f1'
> {quote}
> Then split the table with util:
> {quote}
> > bin/hbase org.apache.hadoop.hbase.util.RegionSplitter -r -o 2 t1 UniformSplit
> {quote}
> *Finally get the following error :*
> {quote}
> 12/11/08 19:21:12 DEBUG util.RegionSplitter: All regions have been successfully split!
> 12/11/08 19:21:12 DEBUG util.RegionSplitter: TOTAL TIME = 30sec
> 12/11/08 19:21:12 DEBUG util.RegionSplitter: Splits = 0
> Exception in thread "main" java.lang.ArithmeticException: / by zero
> 	at org.apache.hadoop.hbase.util.RegionSplitter.rollingSplit(RegionSplitter.java:576)
> 	at org.apache.hadoop.hbase.util.RegionSplitter.main(RegionSplitter.java:349)
> {quote}



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