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https://issues.apache.org/jira/browse/HBASE-19694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16321155#comment-16321155
 ] 

Hadoop QA commented on HBASE-19694:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
9s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Findbugs executables are not available. {color} |
| {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 4 new or modified test 
files. {color} |
|| || || || {color:brown} branch-2 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
31s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
13s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
12s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
 3s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
11s{color} | {color:green} branch-2 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  3m 
54s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
15m 48s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
12s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
34s{color} | {color:green} hbase-zookeeper in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
 7s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 29m  2s{color} | 
{color:black} {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-19694 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12905534/HBASE-19694.branch-2.006.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  shadedjars  hadoopcheck  
xml  compile  findbugs  hbaseanti  checkstyle  |
| uname | Linux 3cf0607536f0 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 
12:48:20 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 / efa911f56f |
| maven | version: Apache Maven 3.5.2 
(138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) |
| Default Java | 1.8.0_151 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10988/artifact/patchprocess/whitespace-eol.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10988/testReport/ |
| modules | C: hbase-zookeeper U: hbase-zookeeper |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10988/console |
| Powered by | Apache Yetus 0.6.0   http://yetus.apache.org |


This message was automatically generated.



> The initialization order for a fresh cluster is incorrect
> ---------------------------------------------------------
>
>                 Key: HBASE-19694
>                 URL: https://issues.apache.org/jira/browse/HBASE-19694
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Duo Zhang
>            Assignee: stack
>            Priority: Critical
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-19694.branch-2.001.patch, 
> HBASE-19694.branch-2.002.patch, HBASE-19694.branch-2.003.patch, 
> HBASE-19694.branch-2.004.patch, HBASE-19694.branch-2.005.patch, 
> HBASE-19694.branch-2.006.patch
>
>
> The cluster id will set once we become the active master in 
> finishActiveMasterInitialization, but the blockUntilBecomingActiveMaster and 
> finishActiveMasterInitialization are both called in a thread to make the 
> constructor of HMaster return without blocking. And since HMaster itself is 
> also a HRegionServer, it will create a Connection and then start calling 
> reportForDuty. And when creating the ConnectionImplementation, we will read 
> the cluster id from zk, but the cluster id may have not been set yet since it 
> is set in another thread, we will get an exception and use the default 
> cluster id instead.
> I always get this when running UTs which will start a mini cluster
> {noformat}
> 2018-01-03 15:16:37,916 WARN  [M:0;zhangduo-ubuntu:32848] 
> client.ConnectionImplementation(528): Retrieve cluster id failed
> java.util.concurrent.ExecutionException: 
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = 
> NoNode for /hbase/hbaseid
>       at 
> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
>       at 
> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
>       at 
> org.apache.hadoop.hbase.client.ConnectionImplementation.retrieveClusterId(ConnectionImplementation.java:526)
>       at 
> org.apache.hadoop.hbase.client.ConnectionImplementation.<init>(ConnectionImplementation.java:286)
>       at 
> org.apache.hadoop.hbase.client.ConnectionUtils$ShortCircuitingClusterConnection.<init>(ConnectionUtils.java:141)
>       at 
> org.apache.hadoop.hbase.client.ConnectionUtils$ShortCircuitingClusterConnection.<init>(ConnectionUtils.java:137)
>       at 
> org.apache.hadoop.hbase.client.ConnectionUtils.createShortCircuitConnection(ConnectionUtils.java:185)
>       at 
> org.apache.hadoop.hbase.regionserver.HRegionServer.createClusterConnection(HRegionServer.java:781)
>       at 
> org.apache.hadoop.hbase.regionserver.HRegionServer.setupClusterConnection(HRegionServer.java:812)
>       at 
> org.apache.hadoop.hbase.regionserver.HRegionServer.preRegistrationInitialization(HRegionServer.java:827)
>       at 
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:938)
>       at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:550)
>       at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.zookeeper.KeeperException$NoNodeException: 
> KeeperErrorCode = NoNode for /hbase/hbaseid
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>       at 
> org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient$ZKTask$1.exec(ReadOnlyZKClient.java:163)
>       at 
> org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient.run(ReadOnlyZKClient.java:311)
>       ... 1 more
> {noformat}



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