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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13388) Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data
Date Thu, 02 Apr 2015 15:02:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392800#comment-14392800
] 

Hadoop QA commented on HBASE-13388:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12708971/HBASE-13388.patch
  against master branch at commit f210c2ebba31dd79ffdf819a2c5e45dcd5a36ace.
  ATTACHMENT ID: 12708971

    {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 hadoop versions{color}. The patch compiles with all supported hadoop versions
(2.4.1 2.5.2 2.6.0)

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

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

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

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the total number
of checkstyle errors

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

    {color:red}-1 release audit{color}.  The applied patch generated 1 release audit warnings
(more than the master's current 0 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:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/13541//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/13541//artifact/patchprocess/patchReleaseAuditWarnings.txt
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/13541//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/13541//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/13541//console

This message is automatically generated.

> Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data
> ----------------------------------------------------------------------
>
>                 Key: HBASE-13388
>                 URL: https://issues.apache.org/jira/browse/HBASE-13388
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Vikas Vishwakarma
>            Assignee: Vikas Vishwakarma
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-13388.patch
>
>
> Handling a minor NullPointer in ZKProcedureMemberRpcs while getting ZNode data. Does
not have any functional impact is just a little cleaner
> 2015-04-01 10:04:32,913 INFO  [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Received procedure start children changed event: /hbase/online-snapshot/acquired
> 2015-04-01 10:04:32,913 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Looking for new procedures under znode:'/hbase/online-snapshot/acquired'
> 2015-04-01 10:04:32,916 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Found procedure znode: /hbase/online-snapshot/acquired/test13
> 2015-04-01 10:04:32,917 ERROR [ver60020-EventThread] zookeeper.ClientCnxn - Error while
calling watcher
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:203)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:172)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$100(ZKProcedureMemberRpcs.java:55)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:107)
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:351)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> 2015-04-01 10:04:32,917 INFO  [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Received procedure start children changed event: /hbase/online-snapshot/acquired
> 2015-04-01 10:04:32,917 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Looking for new procedures under znode:'/hbase/online-snapshot/acquired'
> 2015-04-01 10:04:32,918 INFO  [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Received procedure abort children changed event: /hbase/online-snapshot/abort
> 2015-04-01 10:04:32,918 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs
- Checking for aborted procedures on node: '/hbase/online-snapshot/abort'



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