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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