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https://issues.apache.org/jira/browse/HDFS-9478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171343#comment-15171343
 ] 

Hadoop QA commented on HDFS-9478:
---------------------------------

| (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 15s 
{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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s 
{color} | {color:red} The patch doesn't appear to include any new or modified 
tests. Please justify why no new tests are needed for this patch. Also please 
list what manual steps were performed to verify this patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
22s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 8m 30s 
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 45s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
21s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 4s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
36s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s 
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 7s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
46s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 8m 35s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 8m 35s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 53s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 53s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 22s 
{color} | {color:red} hadoop-common-project/hadoop-common: patch generated 1 
new + 4 unchanged - 0 fixed = 5 total (was 4) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 9s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
56s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 7s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 11s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 13s 
{color} | {color:green} hadoop-common in the patch passed with JDK v1.8.0_72. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 46s 
{color} | {color:green} hadoop-common in the patch passed with JDK v1.7.0_95. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
24s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 74m 14s {color} 
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12790389/HDFS-9478.patch |
| JIRA Issue | HDFS-9478 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 51d9aed6c8de 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 / 321a80c |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_72 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14645/artifact/patchprocess/diff-checkstyle-hadoop-common-project_hadoop-common.txt
 |
| JDK v1.7.0_95  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14645/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14645/console |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Reason for failing ipc.FairCallQueue contruction should be thrown
> -----------------------------------------------------------------
>
>                 Key: HDFS-9478
>                 URL: https://issues.apache.org/jira/browse/HDFS-9478
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Archana T
>            Assignee: Ajith S
>            Priority: Minor
>         Attachments: HDFS-9478.patch
>
>
> When FairCallQueue Construction fails, NN fails to start throwing 
> RunTimeException without throwing any reason on why it fails.
> 2015-11-30 17:45:26,661 INFO org.apache.hadoop.ipc.FairCallQueue: 
> FairCallQueue is in use with 4 queues.
> 2015-11-30 17:45:26,665 DEBUG org.apache.hadoop.metrics2.util.MBeans: 
> Registered Hadoop:service=ipc.65110,name=DecayRpcScheduler
> 2015-11-30 17:45:26,666 ERROR 
> org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
> java.lang.RuntimeException: org.apache.hadoop.ipc.FairCallQueue could not be 
> constructed.
> at 
> org.apache.hadoop.ipc.CallQueueManager.createCallQueueInstance(CallQueueManager.java:96)
> at org.apache.hadoop.ipc.CallQueueManager.<init>(CallQueueManager.java:55)
> at org.apache.hadoop.ipc.Server.<init>(Server.java:2241)
> at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:942)
> at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:534)
> at 
> org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:509)
> at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:784)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.<init>(NameNodeRpcServer.java:346)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:750)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:687)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:889)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:872)
> Example: reason for above failure could have been --
> 1. the weights were not equal to the number of queues configured.
> 2. decay-scheduler.thresholds not in sync with number of queues.



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