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https://issues.apache.org/jira/browse/HDFS-9836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15157635#comment-15157635
 ] 

Hadoop QA commented on HDFS-9836:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 11m 5s 
{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 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 45s 
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 43s 
{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} 0m 58s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
57s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 7s 
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 45s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 40s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
19s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 53s 
{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} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 9s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 47s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 56m 31s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 50m 56s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
21s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 144m 35s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_72 Failed junit tests | 
hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA |
| JDK v1.7.0_95 Failed junit tests | 
hadoop.hdfs.server.blockmanagement.TestReconstructStripedBlocksWithRackAwareness
 |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12788802/HDFS-9836-001.patch |
| JIRA Issue | HDFS-9836 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux c1a97420b8b2 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 / 3fab885 |
| 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 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14563/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_72.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14563/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HDFS-Build/14563/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_72.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/14563/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
 |
| JDK v1.7.0_95  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14563/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14563/console |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> RequestHedgingInvocationHandler can't be cast to 
> org.apache.hadoop.ipc.RpcInvocationHandler
> -------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9836
>                 URL: https://issues.apache.org/jira/browse/HDFS-9836
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.8.0
>            Reporter: Guocui Mi
>            Assignee: Guocui Mi
>         Attachments: HDFS-9836-000.patch, HDFS-9836-001.patch
>
>
> RequestHedgingInvocationHandler cannot be cast to 
> org.apache.hadoop.ipc.RpcInvocationHandler
> Reproduce steps:
> 1: Set client failover provider as RequestHedgingProxyProvider.
> <property>
>     <name>dfs.client.failover.proxy.provider.[nameservice]</name>
>     
> <value>org.apache.hadoop.hdfs.server.namenode.ha.RequestHedgingProxyProvider</value>
>   </property>
> 2: run hdfs fsck / will get following exceptions.
> Exception in thread "main" java.lang.ClassCastException: 
> org.apache.hadoop.hdfs.server.namenode.ha.RequestHedgingProxyProvider$RequestHedgingInvocationHandler
>  cannot be cast to org.apache.hadoop.ipc.RpcInvocationHandler
>         at org.apache.hadoop.ipc.RPC.getConnectionIdForProxy(RPC.java:613)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.getConnectionId(RetryInvocationHandler.java:281)
>         at org.apache.hadoop.ipc.RPC.getConnectionIdForProxy(RPC.java:615)
>         at org.apache.hadoop.ipc.RPC.getServerAddress(RPC.java:598)
>         at org.apache.hadoop.hdfs.HAUtil.getAddressOfActive(HAUtil.java:380)
>         at 
> org.apache.hadoop.hdfs.tools.DFSck.getCurrentNamenodeAddress(DFSck.java:248)
>         at org.apache.hadoop.hdfs.tools.DFSck.doWork(DFSck.java:255)
>         at org.apache.hadoop.hdfs.tools.DFSck.access$000(DFSck.java:72)
>         at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:148)
>         at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:145)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
>         at org.apache.hadoop.hdfs.tools.DFSck.run(DFSck.java:144)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
>         at org.apache.hadoop.hdfs.tools.DFSck.main(DFSck.java:360)



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