Hadoop Common
  1. Hadoop Common
  2. HADOOP-8294

IPC Connection becomes unusable even if server address was temporarilly unresolvable

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Critical Critical
    • Resolution: Fixed
    • Affects Version/s: 1.0.2
    • Fix Version/s: 1.0.3
    • Component/s: ipc
    • Labels:
      None

      Description

      This is same as HADOOP-7428, but was observed on 1.x data nodes. This can happen more frequently after HADOOP-7472, which allows IPC Connection to re-resolve the name. HADOOP-7428 needs to be back-ported.

        Activity

        Hide
        Matt Foley added a comment -

        Closed upon release of Hadoop-1.0.3.

        Show
        Matt Foley added a comment - Closed upon release of Hadoop-1.0.3.
        Hide
        Matt Foley added a comment -

        +1. Committed to branch-1 and branch-1.0.

        Show
        Matt Foley added a comment - +1. Committed to branch-1 and branch-1.0.
        Hide
        Kihwal Lee added a comment -

        Manually ran test patch

        [exec] -1 overall.
        [exec]
        [exec] +1 @author. The patch does not contain any @author tags.
        [exec]
        [exec] +1 tests included. The patch appears to include 3 new or modified tests.
        [exec]
        [exec] +1 javadoc. The javadoc tool did not generate any 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 appears to introduce 8 new Findbugs (version 1.3.9) warnings.

        The number of findbugs warnings actually didn't increase.

        Show
        Kihwal Lee added a comment - Manually ran test patch [exec] -1 overall. [exec] [exec] +1 @author. The patch does not contain any @author tags. [exec] [exec] +1 tests included. The patch appears to include 3 new or modified tests. [exec] [exec] +1 javadoc. The javadoc tool did not generate any 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 appears to introduce 8 new Findbugs (version 1.3.9) warnings. The number of findbugs warnings actually didn't increase.
        Hide
        Hadoop QA added a comment -

        -1 overall. Here are the results of testing the latest attachment
        http://issues.apache.org/jira/secure/attachment/12523425/hadoop-8294.patch
        against trunk revision .

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

        +1 tests included. The patch appears to include 1 new or modified test files.

        -1 patch. The patch command could not apply the patch.

        Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/870//console

        This message is automatically generated.

        Show
        Hadoop QA added a comment - -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12523425/hadoop-8294.patch against trunk revision . +1 @author. The patch does not contain any @author tags. +1 tests included. The patch appears to include 1 new or modified test files. -1 patch. The patch command could not apply the patch. Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/870//console This message is automatically generated.
        Hide
        Kihwal Lee added a comment -

        Enabling dns caching in nscd, etc. can reduce the probability.

        Show
        Kihwal Lee added a comment - Enabling dns caching in nscd, etc. can reduce the probability.
        Hide
        Kihwal Lee added a comment -

        Test case ran without the fix
        [junit] Running org.apache.hadoop.ipc.TestIPC
        [junit] Tests run: 6, Failures: 0, Errors: 1, Time elapsed: 17.085 sec
        [junit] Test org.apache.hadoop.ipc.TestIPC FAILED

        Test case ran with the fix
        [junit] Running org.apache.hadoop.ipc.TestIPC
        [junit] Tests run: 6, Failures: 0, Errors: 0, Time elapsed: 18.8 sec

        This was backported from TRUNK.

        Show
        Kihwal Lee added a comment - Test case ran without the fix [junit] Running org.apache.hadoop.ipc.TestIPC [junit] Tests run: 6, Failures: 0, Errors: 1, Time elapsed: 17.085 sec [junit] Test org.apache.hadoop.ipc.TestIPC FAILED Test case ran with the fix [junit] Running org.apache.hadoop.ipc.TestIPC [junit] Tests run: 6, Failures: 0, Errors: 0, Time elapsed: 18.8 sec This was backported from TRUNK.

          People

          • Assignee:
            Kihwal Lee
            Reporter:
            Kihwal Lee
          • Votes:
            0 Vote for this issue
            Watchers:
            5 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development