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https://issues.apache.org/jira/browse/HBASE-19937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16357982#comment-16357982
]
Hadoop QA commented on HBASE-19937:
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|| Vote || Subsystem || Runtime || Comment ||
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|| || || || {color:brown} Prechecks {color} ||
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| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m
0s{color} | {color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
|| || || || {color:brown} branch-2 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m
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downstream artifacts. {color} |
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18s{color} | {color:green} branch-2 passed {color} |
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| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
14m 22s{color} | {color:green} Patch does not cause any errors with Hadoop
2.6.5 2.7.4 or 3.0.0. {color} |
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| {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m
11s{color} | {color:green} hbase-rsgroup in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
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| {color:black}{color} | {color:black} {color} | {color:black} 32m 1s{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:9f2f2db |
| JIRA Issue | HBASE-19937 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12909890/HBASE-19937.branch-2.006.patch
|
| Optional Tests | asflicense javac javadoc unit findbugs shadedjars
hadoopcheck hbaseanti checkstyle compile |
| uname | Linux 65e6fcade050 3.13.0-133-generic #182-Ubuntu SMP Tue Sep 19
15:49:21 UTC 2017 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | branch-2 / 4461cb7d7a |
| maven | version: Apache Maven 3.5.2
(138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) |
| Default Java | 1.8.0_151 |
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/11463/testReport/ |
| Max. process+thread count | 2700 (vs. ulimit of 10000) |
| modules | C: hbase-rsgroup U: hbase-rsgroup |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/11463/console |
| Powered by | Apache Yetus 0.7.0 http://yetus.apache.org |
This message was automatically generated.
> Ensure createRSGroupTable be called after ProcedureExecutor and LoadBalancer
> are initialized
> ---------------------------------------------------------------------------------------------
>
> Key: HBASE-19937
> URL: https://issues.apache.org/jira/browse/HBASE-19937
> Project: HBase
> Issue Type: Bug
> Components: rsgroup
> Affects Versions: 2.0.0-beta-2
> Reporter: Xiaolin Ha
> Assignee: Xiaolin Ha
> Priority: Major
> Attachments: HBASE-19937.branch-2.001.patch,
> HBASE-19937.branch-2.002.patch, HBASE-19937.branch-2.003.patch,
> HBASE-19937.branch-2.004.patch, HBASE-19937.branch-2.005.patch,
> HBASE-19937.branch-2.006.patch, import-order.png
>
>
> hbase:rsgroup table will be created by calling createRSGroupTable when master
> load system coprocessors in
>
> {code:java}
> 844 this.cpHost = new MasterCoprocessorHost(this, this.conf);{code}
> when ProcedureExecutor hasn't been initialized before createRSGroupTable, it
> will encounter Exception as follows,
>
> {noformat}
> Exception in thread
> "org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker-localhost,49715,1518088607130"
> java.lang.IllegalArgumentException
> at
> org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkArgument(Preconditions.java:120)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.submitProcedure(ProcedureExecutor.java:847)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.submitProcedure(ProcedureExecutor.java:835)
> at org.apache.hadoop.hbase.master.HMaster.createSystemTable(HMaster.java:1795)
> at
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.createRSGroupTable(RSGroupInfoManagerImpl.java:858)
> at
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.waitForGroupTableOnline(RSGroupInfoManagerImpl.java:823)
> at
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.run(RSGroupInfoManagerImpl.java:743){noformat}
> while ProcedureExecutor initialized by calling
> {code:java}
> 848 startServiceThreads();{code}
> And LoadBalancer is initialized by calling
> {code:java}
> 868 this.balancer.initialize();{code}
> When LoadBalancer hasn't been initialized before createRSGroupTable, it will
> encounters Exception as follows,
> 2018-02-02,16:12:45,688 ERROR
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor: CODE-BUG: Uncaught
> runtime exception: pid=7, state=RUNNABLE:CREATE_TABLE_ASSIGN_REGIONS;
> CreateTableProcedure table=hbase:rsgroup
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer.generateGroupMaps(RSGroupBasedLoadBalancer.java:254)
> at
> org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer.roundRobinAssignment(RSGroupBasedLoadBalancer.java:162)
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.createRoundRobinAssignProcedures(AssignmentManager.java:603)
> at
> org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.executeFromState(CreateTableProcedure.java:108)
> at
> org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.executeFromState(CreateTableProcedure.java:51)
> at
> org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:182)
> at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:845)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1458)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1227)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$800(ProcedureExecutor.java:78)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1738)
>
> As a result of CreateTableProcedure.rollbackState, it may then print logs
> warning TableExistsException as follows,
> 2018-02-02,16:12:55,503 WARN
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker:
> Failed to perform check
> java.io.IOException: Failed to create group table.
> org.apache.hadoop.hbase.TableExistsException: hbase:rsgroup
> at
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.createRSGroupTable(RSGroupInfoManagerImpl.java:877)
>
> After some auto-retries, it loops running the thread RSGroupStartupWorker,
> will print logs as follows,
> 2018-02-02,16:23:17,626 INFO
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker:
> RSGroup table=hbase:rsgroup isOnline=true, regionCount=0, assignCount=0,
> rootMetaFound=true
> 2018-02-02,16:23:17,730 INFO
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker:
> RSGroup table=hbase:rsgroup isOnline=true, regionCount=0, assignCount=0,
> rootMetaFound=true
> 2018-02-02,16:23:17,834 INFO
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker:
> RSGroup table=hbase:rsgroup isOnline=true, regionCount=0, assignCount=0,
> rootMetaFound=true
> 2018-02-02,16:23:17,937 INFO
> org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker:
> RSGroup table=hbase:rsgroup isOnline=true, regionCount=0, assignCount=0,
> rootMetaFound=true
>
> And using shells of rsgroup, it will tips that currently is in "offline mode".
>
> The reason of this problem is that the order of createRSGroupTable and
> initializing of ProcedureExecutor and LoadBalancer is out of control. If the
> former is excuted earlier, it will encounter Exception mentioned before.
>
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