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https://issues.apache.org/jira/browse/HDFS-9444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15515174#comment-15515174
 ] 

Hadoop QA commented on HDFS-9444:
---------------------------------

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
14s{color} | {color:blue} Docker mode activated. {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 3 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
32s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
 7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
55s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
27s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
47s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  
0s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
39s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
14s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  8m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  8m  
2s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
1m 33s{color} | {color:orange} root: The patch generated 2 new + 25 unchanged - 
3 fixed = 27 total (was 28) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m  
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
26s{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}  3m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  8m 
42s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 66m 
42s{color} | {color:green} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
28s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}120m 11s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-9444 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12829963/HDFS-9444.005.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 2150bbd7d340 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 5ffd4b7 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/16836/artifact/patchprocess/diff-checkstyle-root.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/16836/testReport/ |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/16836/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Add utility to find set of available ephemeral ports to ServerSocketUtil
> ------------------------------------------------------------------------
>
>                 Key: HDFS-9444
>                 URL: https://issues.apache.org/jira/browse/HDFS-9444
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Masatake Iwasaki
>         Attachments: HDFS-9444.001.patch, HDFS-9444.002.patch, 
> HDFS-9444.003.patch, HDFS-9444.004.patch, HDFS-9444.005.patch
>
>
> Unit tests using MiniDFSCluster with namanode-ha enabled need set of port 
> numbers in advance. Because namenodes talk to each other, we can not set ipc 
> port to 0 in configuration to make namenodes decide port number on its own. 
> ServerSocketUtil should provide utility to find set of available ephemeral 
> port numbers for this.
> For example, TestEditLogTailer could fail due to {{java.net.BindException: 
> Address already in use}}.
> https://builds.apache.org/job/Hadoop-Hdfs-trunk/2556/testReport/
> {noformat}
> java.net.BindException: Problem binding to [localhost:42477] 
> java.net.BindException: Address already in use; For more details see:  
> http://wiki.apache.org/hadoop/BindException
>       at sun.nio.ch.Net.bind0(Native Method)
>       at sun.nio.ch.Net.bind(Net.java:444)
>       at sun.nio.ch.Net.bind(Net.java:436)
>       at 
> sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
>       at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
>       at org.apache.hadoop.ipc.Server.bind(Server.java:469)
>       at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:695)
>       at org.apache.hadoop.ipc.Server.<init>(Server.java:2464)
>       at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:945)
>       at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:535)
>       at 
> org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:510)
>       at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:787)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.<init>(NameNodeRpcServer.java:390)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:742)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:680)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:883)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:862)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1564)
>       at 
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1247)
>       at 
> org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1016)
>       at 
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:891)
>       at 
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:823)
>       at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:482)
>       at 
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:441)
>       at 
> org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testStandbyTriggersLogRolls(TestEditLogTailer.java:139)
>       at 
> org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testNN1TriggersLogRolls(TestEditLogTailer.java:114)
> {noformat}



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