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Date: Wed, 29 Mar 2017 10:52:41 +0000 (UTC)
From: "Steve Loughran (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.12989188.1468430446000.152961.1490784761759@Atlassian.JIRA>
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Subject: [jira] [Commented] (HADOOP-13372) MR jobs can not access Swift
 filesystem if Kerberos is enabled
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archived-at: Wed, 29 Mar 2017 10:52:46 -0000


    [ https://issues.apache.org/jira/browse/HADOOP-13372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15946921#comment-15946921 ] 

Steve Loughran commented on HADOOP-13372:
-----------------------------------------

How about changing the assertNull to an Assume.false(). I know junit3 can't handle them, but we plan to move that test to junit4

> MR jobs can not access Swift filesystem if Kerberos is enabled
> --------------------------------------------------------------
>
>                 Key: HADOOP-13372
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13372
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs, fs/swift, security
>    Affects Versions: 2.7.2
>            Reporter: ramtin
>            Assignee: ramtin
>         Attachments: HADOOP-13372.001.patch
>
>
> {code}
> java.lang.IllegalArgumentException: java.net.UnknownHostException:
>     at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:378)
>     at org.apache.hadoop.security.SecurityUtil.buildDTServiceName(SecurityUtil.java:262)
>     at org.apache.hadoop.fs.FileSystem.getCanonicalServiceName(FileSystem.java:303)
>     at org.apache.hadoop.fs.FileSystem.collectDelegationTokens(FileSystem.java:524)
>     at org.apache.hadoop.fs.FileSystem.addDelegationTokens(FileSystem.java:508)
>     at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:121)
>     at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:100)
>     at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:80)
>     at org.apache.hadoop.tools.mapred.CopyOutputFormat.checkOutputSpecs(CopyOutputFormat.java:121)
>     at org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:266)
>     at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:139)
>     at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290)
>     at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at javax.security.auth.Subject.doAs(Subject.java:422)
>     at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>     at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287)
>     at org.apache.hadoop.tools.DistCp.createAndSubmitJob(DistCp.java:183)
>     at org.apache.hadoop.tools.DistCp.execute(DistCp.java:153)
>     at org.apache.hadoop.tools.DistCp.run(DistCp.java:126)
>     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>     at org.apache.hadoop.tools.DistCp.main(DistCp.java:430)
> Caused by: java.net.UnknownHostException:
> {code}


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