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From "Matei Zaharia (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3644) TestLocalJobControl test gets OutOfMemoryError on 64-bit Java
Date Wed, 25 Jun 2008 18:38:45 GMT
TestLocalJobControl test gets OutOfMemoryError on 64-bit Java
-------------------------------------------------------------

                 Key: HADOOP-3644
                 URL: https://issues.apache.org/jira/browse/HADOOP-3644
             Project: Hadoop Core
          Issue Type: Bug
            Reporter: Matei Zaharia
            Priority: Trivial
             Fix For: 0.17.1, 0.18.0, 0.19.0


The TestLocalJobControl unit test fails on 64-bit Java on Linux with an OutOfMemoryError.
Here is the exact Java environment:

$ java -version
java version "1.5.0_07"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_07-b03)
Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_07-b03, mixed mode)

The test runs fine with 32-bit. The problem is likely that some of the data structures become
bigger when using 32-bit pointers. As a fix, I've suggested simply increasing the memory available
to JUnit.

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