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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2630) make the build more friendly to apache harmony
Date Wed, 01 Sep 2010 00:26:53 GMT
make the build more friendly to apache harmony
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                 Key: LUCENE-2630
                 URL: https://issues.apache.org/jira/browse/LUCENE-2630
             Project: Lucene - Java
          Issue Type: Task
          Components: Build, Tests
    Affects Versions: 4.0
            Reporter: Robert Muir


as part of improved testing, i thought it would be a good idea to make the build (ant test)
more friendly
to working under apache harmony.

i'm not suggesting we de-optimize code for sun jvms or anything crazy like that, only use
it as a tool.

for example:
* bugs in tests/code: for example i found a test that expected ArrayIOOBE 
  when really the javadoc contract for the method is just IOOBE... it just happens to
  pass always on sun jvm because thats the implementation it always throws.
* better reproduction of bugs: for example [2 months out of the year|http://en.wikipedia.org/wiki/Unusual_software_bug#Phase_of_the_Moon_bug]
  it seems TestQueryParser fails with thai locale in a difficult-to-reproduce way.
  but i *always* get similar failures like this with harmony for this test class.
* better stability and portability: we should try (if reasonable) to avoid depending
  upon internal details. the same kinds of things that fail in harmony might suddenly
  fail in a future sun jdk. because its such a different impl, it brings out a lot of interesting
stuff.

at the moment there are currently a lot of failures, I think a lot might be caused by this:
http://permalink.gmane.org/gmane.comp.java.harmony.devel/39484


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