[jira] Commented: (HADOOP-4744) Wrong resolution of hostname and port

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12677758#action_12677758 ] 

Hadoop QA commented on HADOOP-4744:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12401100/hadoop-4744-new.patch
  against trunk revision 748861.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    -1 core tests.  The patch failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/22/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/22/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/22/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/22/console

This message is automatically generated.

> Wrong resolution of hostname and port 
> --------------------------------------
>
>                 Key: HADOOP-4744
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4744
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Jothi Padmanabhan
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: 4744.exception.patch, 4744.patch, hadoop-4744-new.patch
>
>
> I noticed the following for one of the hosts in a cluster:
> 1. machines.jsp page resolves the http address as just "http://hostname" (which doesn't work). It doesnt put the port number for the host. Even if I add the port number manually in the URI, the  task tracker page does not come up. 
> 2. All the tasks(both maps and reduces) which ran on the machine ran successfully. But tasklogs cannot be viewed, because port-number is not resolved. ( same problem as in (1)).
> 3. The reducers waiting for maps ran on that machine fail with connection failed errors saying the hostname is 'null'.

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