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From "Tanping Wang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1310) TestFileConcurrentReader fails
Date Mon, 23 Aug 2010 22:10:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12901621#action_12901621

Tanping Wang commented on HDFS-1310:

I ran this test case, TestFileConcurrentReader with Java 1.6.0_07 and this test stuck for
ever on Yahoo hudson build box.  I switched to Java 1.6.0_15 on the same build box,  the test
case passed with no problem.  (Suspecting running into some race conditions in the test cases.)
 On the other hand,  on my own Linux box, with the latest Java version, .1.6.0_21, initially,
3 out of 7 test cases failed, after putting in some sleep time between each test case,  shown
as below,

  protected void tearDown() throws Exception {
    cluster = null;
    // NEW: go to sleep
    try{Thread.sleep(3000);}catch(Exception e) {}; 

tests passed.

Which java sub-version do we use for Hudson?

> TestFileConcurrentReader fails
> ------------------------------
>                 Key: HDFS-1310
>                 URL: https://issues.apache.org/jira/browse/HDFS-1310
>             Project: Hadoop HDFS
>          Issue Type: Test
>    Affects Versions: 0.22.0
>            Reporter: Suresh Srinivas
> For details of test failure see http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h2.grid.sp2.yahoo.net/218/testReport/

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