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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4210) Helpful exception when DNS entry for JournalNode cannot be resolved
Date Mon, 29 Aug 2016 23:06:22 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15447345#comment-15447345
] 

Hadoop QA commented on HDFS-4210:
---------------------------------

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| {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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 16s{color}
| {color:green} trunk passed {color} |
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{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 28s{color}
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{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 13s{color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 50s{color} |
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{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 52s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 51s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 51s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 26s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 57s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 11s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  0s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 58s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 65m 46s{color} | {color:green}
hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 23s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 87m 34s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-4210 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12826078/HDFS-4210.004.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 0ba0e99f56cd 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 20:42:26 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 5d1609d |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/16568/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/16568/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Helpful exception when DNS entry for JournalNode cannot be resolved
> -------------------------------------------------------------------
>
>                 Key: HDFS-4210
>                 URL: https://issues.apache.org/jira/browse/HDFS-4210
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, journal-node, namenode
>    Affects Versions: 2.6.0
>            Reporter: Damien Hardy
>            Assignee: John Zhuge
>            Priority: Trivial
>              Labels: BB2015-05-TBR
>         Attachments: HDFS-4210.001.patch, HDFS-4210.002.patch, HDFS-4210.003.patch, HDFS-4210.004.patch
>
>
> Setting  : 
>   qjournal://cdh4master01:8485;cdh4master02:8485;cdh4worker03:8485/hdfscluster
>   cdh4master01 and cdh4master02 JournalNode up and running, 
>   cdh4worker03 not yet provisionning (no DNS entrie)
> With :
> `hadoop namenode -format` fails with :
>   12/11/19 14:42:42 FATAL namenode.NameNode: Exception in namenode join
> java.lang.IllegalArgumentException: Unable to construct journal, qjournal://cdh4master01:8485;cdh4master02:8485;cdh4worker03:8485/hdfscluster
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1235)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournals(FSEditLog.java:226)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournalsForWrite(FSEditLog.java:193)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:745)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1099)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1204)
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1233)
> 	... 5 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannelMetrics.getName(IPCLoggerChannelMetrics.java:107)
> 	at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannelMetrics.create(IPCLoggerChannelMetrics.java:91)
> 	at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel.<init>(IPCLoggerChannel.java:161)
> 	at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel$1.createLogger(IPCLoggerChannel.java:141)
> 	at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:353)
> 	at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:135)
> 	at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:104)
> 	at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:93)
> 	... 10 more
> I suggest that if quorum is up format should not fails.



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