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https://issues.apache.org/jira/browse/HDFS-9634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15094595#comment-15094595
 ] 

Hadoop QA commented on HDFS-9634:
---------------------------------

| (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 0s 
{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 
49s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 48s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 34s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
24s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 28s 
{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 
41s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 33s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 14s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
16s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 41s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 41s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 34s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 34s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 24s 
{color} | {color:red} Patch generated 1 new checkstyle issues in 
hadoop-hdfs-project (total was 61, now 62). {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 32s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
22s {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. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 5m 8s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 52s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 55s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 2s 
{color} | {color:green} hadoop-hdfs-client in the patch passed with JDK 
v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 72m 16s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 10s 
{color} | {color:green} hadoop-hdfs-client in the patch passed with JDK 
v1.7.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 73m 14s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
29s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 191m 55s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | 
hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency |
|   | hadoop.hdfs.server.blockmanagement.TestRBWBlockInvalidation |
|   | hadoop.hdfs.server.namenode.TestNNThroughputBenchmark |
|   | hadoop.hdfs.TestDFSUpgradeFromImage |
|   | hadoop.hdfs.server.namenode.ha.TestHAMetrics |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
| JDK v1.7.0_91 Failed junit tests | 
hadoop.hdfs.server.blockmanagement.TestBlockManager |
|   | hadoop.hdfs.server.namenode.ha.TestHAAppend |
|   | hadoop.hdfs.server.namenode.TestNNThroughputBenchmark |
|   | hadoop.hdfs.TestErasureCodeBenchmarkThroughput |
|   | hadoop.hdfs.server.namenode.TestRecoverStripedBlocks |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12781843/HDFS-9634.002.patch |
| JIRA Issue | HDFS-9634 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux baa12ec334cd 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 / 13de835 |
| Default Java | 1.7.0_91 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_66 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_91 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/artifact/patchprocess/whitespace-eol.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
 |
| JDK v1.7.0_91  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs 
hadoop-hdfs-project/hadoop-hdfs-client U: hadoop-hdfs-project |
| Max memory used | 76MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14100/console |


This message was automatically generated.



> webhdfs client side exceptions don't provide enough details
> -----------------------------------------------------------
>
>                 Key: HDFS-9634
>                 URL: https://issues.apache.org/jira/browse/HDFS-9634
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 3.0.0, 2.8.0, 2.7.1
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: HDFS-9634.001.patch, HDFS-9634.002.patch
>
>
> When a WebHDFS client side exception (for example, read timeout) occurs there 
> are no details beyond the fact that a timeout occurred. Ideally it should say 
> which node is responsible for the timeout, but failing that it should at 
> least say which node we're talking to so we can examine that node's logs to 
> further investigate.
> {noformat}
> java.net.SocketTimeoutException: Read timed out
>     at java.net.SocketInputStream.socketRead0(Native Method)
>     at java.net.SocketInputStream.read(SocketInputStream.java:150)
>     at java.net.SocketInputStream.read(SocketInputStream.java:121)
>     at java.io.BufferedInputStream.read1(BufferedInputStream.java:273)
>     at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
>     at sun.net.www.MeteredStream.read(MeteredStream.java:134)
>     at java.io.FilterInputStream.read(FilterInputStream.java:133)
>     at 
> sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3035)
>     at 
> org.apache.commons.io.input.BoundedInputStream.read(BoundedInputStream.java:121)
>     at 
> org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(ByteRangeInputStream.java:188)
>     at java.io.DataInputStream.read(DataInputStream.java:149)
>     at java.io.BufferedInputStream.read1(BufferedInputStream.java:273)
>     at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
>     at 
> com.yahoo.grid.tools.util.io.ThrottledBufferedInputStream.read(ThrottledBufferedInputStream.java:58)
>     at java.io.FilterInputStream.read(FilterInputStream.java:107)
>     at 
> com.yahoo.grid.replication.distcopy.tasklet.HFTPDistributedCopy.copyBytes(HFTPDistributedCopy.java:495)
>     at 
> com.yahoo.grid.replication.distcopy.tasklet.HFTPDistributedCopy.doCopy(HFTPDistributedCopy.java:440)
>     at 
> com.yahoo.grid.replication.distcopy.tasklet.HFTPDistributedCopy.access$200(HFTPDistributedCopy.java:57)
>     at 
> com.yahoo.grid.replication.distcopy.tasklet.HFTPDistributedCopy$1.doExecute(HFTPDistributedCopy.java:387)
> ... 12 more
> {noformat}
> There are no clues as to which datanode we're talking to nor which datanode 
> was responsible for the timeout.



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