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Posted to common-dev@hadoop.apache.org by "Amar Kamat (JIRA)" <ji...@apache.org> on 2008/08/13 17:36:45 UTC

[jira] Created: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

TaskTrackers fail to connect back upon a re-init action
-------------------------------------------------------

                 Key: HADOOP-3947
                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.18.0
            Reporter: Amar Kamat
            Priority: Blocker


It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Updated: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amar Kamat (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amar Kamat updated HADOOP-3947:
-------------------------------

    Attachment: HADOOP-3947-v1.patch

Attaching a patch that  solves the issue.

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Updated: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Devaraj Das (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das updated HADOOP-3947:
--------------------------------

       Resolution: Fixed
    Fix Version/s: 0.18.0
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

+1; also tested manually. 
I committed this. Thanks, Amareshwari!

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.18.0
>
>         Attachments: HADOOP-3947-v1.patch, patch-3947.txt
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Updated: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-3947:
--------------------------------------------

        Assignee: Amareshwari Sriramadasu  (was: Amar Kamat)
    Hadoop Flags:   (was: [Reviewed])

Sorry. setting of running = true should be removed from run method.

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Commented: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622526#action_12622526 ] 

Amareshwari Sriramadasu commented on HADOOP-3947:
-------------------------------------------------

test-patch result on trunk :
{code}
     [exec] -1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified tests.
     [exec]                         Please justify why no tests are needed for this patch.
     [exec]
     [exec]     -1 javadoc.  The javadoc tool appears to have generated 1 warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]
     [exec]
{code}

-1 javadoc is known issue. HADOOP-3949

It's difficult to write testcase for this.

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch, patch-3947.txt
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Assigned: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu reassigned HADOOP-3947:
-----------------------------------------------

    Assignee: Amareshwari Sriramadasu

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Updated: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-3947:
--------------------------------------------

    Status: Patch Available  (was: Open)

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch, patch-3947.txt
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Updated: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-3947:
--------------------------------------------

        Assignee: Amar Kamat  (was: Amareshwari Sriramadasu)
    Hadoop Flags: [Reviewed]

+1 patch looks good.

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Updated: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-3947:
--------------------------------------------

    Attachment: patch-3947.txt

Here is patch moving this.running=true to _initialize_ from _run_ method. The patch is tested.

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>         Attachments: HADOOP-3947-v1.patch, patch-3947.txt
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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[jira] Commented: (HADOOP-3947) TaskTrackers fail to connect back upon a re-init action

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624722#action_12624722 ] 

Hudson commented on HADOOP-3947:
--------------------------------

Integrated in Hadoop-trunk #581 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/581/])

> TaskTrackers fail to connect back upon a re-init action
> -------------------------------------------------------
>
>                 Key: HADOOP-3947
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3947
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.18.0
>            Reporter: Amar Kamat
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.18.0
>
>         Attachments: HADOOP-3947-v1.patch, patch-3947.txt
>
>
> It seems that if the {{JobTracker}} asks the {{TaskTracker}} to re-initialize itself, the {{TaskTracker}} never connects back to the {{Jobtracker}}.

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