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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14157) Interfaces implemented by subclasses should be checked when registering CoprocessorService
Date Mon, 27 Jul 2015 21:13:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643406#comment-14643406

Hadoop QA commented on HBASE-14157:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against master branch at commit 3f80e0ea4f101298d9dbd574ffcf388afb621d55.
  ATTACHMENT ID: 12747395

    {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
                        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
(2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0)

    {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: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 post-site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:

     {color:red}-1 core zombie tests{color}.  There are 2 zombie test(s): 	at org.apache.hadoop.hbase.snapshot.TestMobExportSnapshot.testExportFileSystemState(TestMobExportSnapshot.java:285)
	at org.apache.hadoop.hbase.snapshot.TestMobExportSnapshot.testExportFileSystemState(TestMobExportSnapshot.java:259)
	at org.apache.hadoop.hbase.snapshot.TestMobExportSnapshot.testExportWithTargetName(TestMobExportSnapshot.java:217)
	at org.apache.hadoop.hbase.snapshot.TestExportSnapshot.testExportRetry(TestExportSnapshot.java:325)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/14899//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/14899//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/14899//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/14899//console

This message is automatically generated.

> Interfaces implemented by subclasses should be checked when registering CoprocessorService
> ------------------------------------------------------------------------------------------
>                 Key: HBASE-14157
>                 URL: https://issues.apache.org/jira/browse/HBASE-14157
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Alok Lal
>            Assignee: Ted Yu
>         Attachments: 14157-v1.txt, 14157-v2.txt
> Alok reported seeing the following exception when subclass of class which implements
CoprocessorService is used for hbase.coprocessor.region.classes :
> {code}
> hbase(main):015:0> grant 'mktg1', 'RWC', 'iemployee'
> ERROR: org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered coprocessor
service found for name AccessControlService in region hbase:acl,,1437137157604.2daf735ea38da95e9ba249db6b63b79c.
>         at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:7367)
>         at org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:1873)
>         at org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:1855)
>         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32209)
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2112)
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:101)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107)
> {code}
> The root cause is in the following code of RegionCoprocessorHost:
> {code}
>     for (Class<?> c : implClass.getInterfaces()) {
>       if (CoprocessorService.class.isAssignableFrom(c)) {
>         region.registerService( ((CoprocessorService)instance).getService() );
>       }
>     }
> {code}
> We currently only check the interfaces directly implemented by the underlying class.
> What should be done is to check all the interfaces implemented by class itself and its

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