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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4841) FsShell commands using secure webhfds fail ClientFinalizer shutdown hook
Date Mon, 08 Jul 2013 22:17:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13702521#comment-13702521
] 

Hadoop QA commented on HDFS-4841:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12591287/HDFS-4841.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  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:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4605//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4605//console

This message is automatically generated.
                
> FsShell commands using secure webhfds fail ClientFinalizer shutdown hook
> ------------------------------------------------------------------------
>
>                 Key: HDFS-4841
>                 URL: https://issues.apache.org/jira/browse/HDFS-4841
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security, webhdfs
>    Affects Versions: 3.0.0
>            Reporter: Stephen Chu
>            Assignee: Robert Kanter
>         Attachments: core-site.xml, hadoop-root-namenode-hdfs-upgrade-pseudo.ent.cloudera.com.out,
HDFS-4841.patch, hdfs-site.xml, jsvc.out
>
>
> Hadoop version:
> {code}
> bash-4.1$ $HADOOP_HOME/bin/hadoop version
> Hadoop 3.0.0-SNAPSHOT
> Subversion git://github.com/apache/hadoop-common.git -r d5373b9c550a355d4e91330ba7cc8f4c7c3aac51
> Compiled by root on 2013-05-22T08:06Z
> From source with checksum 8c4cc9b1e8d6e8361431e00f64483f
> This command was run using /var/lib/hadoop-hdfs/hadoop-3.0.0-SNAPSHOT/share/hadoop/common/hadoop-common-3.0.0-SNAPSHOT.jar
> {code}
> I'm seeing a problem when issuing FsShell commands using the webhdfs:// URI when security
is enabled. The command completes but leaves a warning that ShutdownHook 'ClientFinalizer'
failed.
> {code}
> bash-4.1$ hadoop-3.0.0-SNAPSHOT/bin/hadoop fs -ls webhdfs://hdfs-upgrade-pseudo.ent.cloudera.com:50070/
> 2013-05-22 09:46:55,710 INFO  [main] util.Shell (Shell.java:isSetsidSupported(311)) -
setsid exited with exit code 0
> Found 3 items
> drwxr-xr-x   - hbase supergroup          0 2013-05-22 09:46 webhdfs://hdfs-upgrade-pseudo.ent.cloudera.com:50070/hbase
> drwxr-xr-x   - hdfs  supergroup          0 2013-05-22 09:46 webhdfs://hdfs-upgrade-pseudo.ent.cloudera.com:50070/tmp
> drwxr-xr-x   - hdfs  supergroup          0 2013-05-22 09:46 webhdfs://hdfs-upgrade-pseudo.ent.cloudera.com:50070/user
> 2013-05-22 09:46:58,660 WARN  [Thread-3] util.ShutdownHookManager (ShutdownHookManager.java:run(56))
- ShutdownHook 'ClientFinalizer' failed, java.lang.IllegalStateException: Shutdown in progress,
cannot add a shutdownHook
> java.lang.IllegalStateException: Shutdown in progress, cannot add a shutdownHook
> 	at org.apache.hadoop.util.ShutdownHookManager.addShutdownHook(ShutdownHookManager.java:152)
> 	at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2400)
> 	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2372)
> 	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:352)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$DtRenewer.getWebHdfs(WebHdfsFileSystem.java:1001)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$DtRenewer.cancel(WebHdfsFileSystem.java:1013)
> 	at org.apache.hadoop.security.token.Token.cancel(Token.java:382)
> 	at org.apache.hadoop.fs.DelegationTokenRenewer$RenewAction.cancel(DelegationTokenRenewer.java:152)
> 	at org.apache.hadoop.fs.DelegationTokenRenewer$RenewAction.access$200(DelegationTokenRenewer.java:58)
> 	at org.apache.hadoop.fs.DelegationTokenRenewer.removeRenewAction(DelegationTokenRenewer.java:241)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.close(WebHdfsFileSystem.java:822)
> 	at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:2446)
> 	at org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer.run(FileSystem.java:2463)
> 	at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)
> {code}
> I've checked that FsShell + hdfs:// commands and WebHDFS operations through curl work
successfully:
> {code}
> bash-4.1$ hadoop-3.0.0-SNAPSHOT/bin/hadoop fs -ls /
> 2013-05-22 09:46:43,663 INFO  [main] util.Shell (Shell.java:isSetsidSupported(311)) -
setsid exited with exit code 0
> Found 3 items
> drwxr-xr-x   - hbase supergroup          0 2013-05-22 09:46 /hbase
> drwxr-xr-x   - hdfs  supergroup          0 2013-05-22 09:46 /tmp
> drwxr-xr-x   - hdfs  supergroup          0 2013-05-22 09:46 /user
> bash-4.1$ curl -i --negotiate -u : "http://hdfs-upgrade-pseudo.ent.cloudera.com:50070/webhdfs/v1/?op=GETHOMEDIRECTORY"
> HTTP/1.1 401 
> Cache-Control: must-revalidate,no-cache,no-store
> Date: Wed, 22 May 2013 16:47:14 GMT
> Pragma: no-cache
> Date: Wed, 22 May 2013 16:47:14 GMT
> Pragma: no-cache
> Content-Type: text/html; charset=iso-8859-1
> WWW-Authenticate: Negotiate
> Set-Cookie: hadoop.auth=;Path=/;Expires=Thu, 01-Jan-1970 00:00:00 GMT
> Content-Length: 1358
> Server: Jetty(6.1.26)
> HTTP/1.1 200 OK
> Cache-Control: no-cache
> Expires: Thu, 01-Jan-1970 00:00:00 GMT
> Date: Wed, 22 May 2013 16:47:14 GMT
> Pragma: no-cache
> Date: Wed, 22 May 2013 16:47:14 GMT
> Pragma: no-cache
> Content-Type: application/json
> Set-Cookie: hadoop.auth="u=hdfs&p=hdfs/hdfs-upgrade-pseudo.ent.cloudera.com@ENT.CLOUDERA.COM&t=kerberos&e=1369277234852&s=m3vJ7/pV831tBLkpOBb0Naa5N+g=";Path=/
> Transfer-Encoding: chunked
> Server: Jetty(6.1.26)
> {"Path":"/user/hdfs"}bash-4.1$ 
> {code}
> When I disable security, the warning goes away.
> I'll attach my core-site.xml, hdfs-site.xml, NN and DN output logs.

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