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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12253) ViewFileSystem getFileStatus java.lang.ArrayIndexOutOfBoundsException: 0
Date Tue, 29 Mar 2016 04:48:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15215417#comment-15215417
] 

Hadoop QA commented on HADOOP-12253:
------------------------------------

| (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 10s {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} 6m 44s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 54s {color} |
{color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 37s {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 56s {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 34s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s {color} |
{color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s {color} | {color:green}
trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 40s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 41s {color} |
{color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 41s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 32s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 32s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 55s {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 47s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 52s {color} |
{color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s {color} | {color:green}
the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 6m 16s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.8.0_74. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 6m 33s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 24s {color} | {color:red}
Patch generated 3 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 56m 51s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_74 Timed out junit tests | org.apache.hadoop.util.TestNativeLibraryChecker |
| JDK v1.7.0_95 Timed out junit tests | org.apache.hadoop.util.TestNativeLibraryChecker |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:fbe3e86 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12795761/HADOOP-12253.2.patch
|
| JIRA Issue | HADOOP-12253 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 3e57cb7e083a 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 / 1f004b3 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
|
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/testReport/
|
| asflicense | https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/8950/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> ViewFileSystem getFileStatus java.lang.ArrayIndexOutOfBoundsException: 0
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-12253
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12253
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.6.0
>         Environment: hadoop 2.6.0   hive 1.1.0 tez0.7  cenos6.4
>            Reporter: tangjunjie
>            Assignee: Ajith S
>         Attachments: HADOOP-12253.2.patch, HADOOP-12253.patch
>
>
> When I enable hdfs federation.I run a query on hive on tez. Then it occur a exception:
> {noformat}
> 8.784 PM	WARN	org.apache.hadoop.security.UserGroupInformation	No groups available for
user tangjijun
> 3:12:28.784 PM	ERROR	org.apache.hadoop.hive.ql.exec.Task	Failed to execute tez graph.
> java.lang.ArrayIndexOutOfBoundsException: 0
> 	at org.apache.hadoop.fs.viewfs.ViewFileSystem$InternalDirOfViewFs.getFileStatus(ViewFileSystem.java:771)
> 	at org.apache.hadoop.fs.viewfs.ViewFileSystem.getFileStatus(ViewFileSystem.java:359)
> 	at org.apache.tez.client.TezClientUtils.checkAncestorPermissionsForAllUsers(TezClientUtils.java:955)
> 	at org.apache.tez.client.TezClientUtils.setupTezJarsLocalResources(TezClientUtils.java:184)
> 	at org.apache.tez.client.TezClient.getTezJarResources(TezClient.java:787)
> 	at org.apache.tez.client.TezClient.start(TezClient.java:337)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezSessionState.open(TezSessionState.java:191)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezTask.updateSession(TezTask.java:234)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:136)
> 	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
> 	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:88)
> 	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1640)
> 	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1399)
> 	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1183)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1049)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1044)
> 	at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:144)
> 	at org.apache.hive.service.cli.operation.SQLOperation.access$100(SQLOperation.java:69)
> 	at org.apache.hive.service.cli.operation.SQLOperation$1$1.run(SQLOperation.java:196)
> 	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.hive.service.cli.operation.SQLOperation$1.run(SQLOperation.java:208)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> I digging into the issue,I found the code snippet in ViewFileSystem.java as follows:
> {noformat}
>  @Override
>     public FileStatus getFileStatus(Path f) throws IOException {
>       checkPathIsSlash(f);
>       return new FileStatus(0, true, 0, 0, creationTime, creationTime,
>           PERMISSION_555, ugi.getUserName(), ugi.getGroupNames()[0],
>           new Path(theInternalDir.fullPath).makeQualified(
>               myUri, ROOT_PATH));
>     }
> {noformat}
> If the node in cluster  haven't creat user like tangjijun,ugi.getGroupNames()[0]  will
throw   ArrayIndexOutOfBoundsException.Because no user mean no group.
> I create user tangjijun on that node. Then the job was executed normally.  
> I think this code should check  ugi.getGroupNames() is empty.When it is empty ,then print
some log. Not to throw exception.



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