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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11094) TestLargeBlockReport fails intermittently
Date Wed, 02 Nov 2016 21:01:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15630481#comment-15630481
] 

Mingliang Liu commented on HDFS-11094:
--------------------------------------

# Will this suppress the heartbeat interval config, and fail other tests?
# As an alternative, can we simply change the unit test?
FWIW, heartbeat is checked asynchronously in {{HeartbeatManager}}. Do we need to trigger the
heartbeat check logic in NN?
{code}
    final BlockManager bm = cluster.getNamesystem().getBlockManager();
    // trigger NN handel heartbeat
    BlockManagerTestUtil.checkHeartbeat(bm);
{code}

> TestLargeBlockReport fails intermittently
> -----------------------------------------
>
>                 Key: HDFS-11094
>                 URL: https://issues.apache.org/jira/browse/HDFS-11094
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Eric Badger
>            Assignee: Eric Badger
>         Attachments: HDFS-11094.001.patch
>
>
> {noformat}
> java.lang.NullPointerException: null
> 	at org.apache.hadoop.hdfs.server.datanode.TestLargeBlockReport.testBlockReportSucceedsWithLargerLengthLimit(TestLargeBlockReport.java:96)
> {noformat}



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