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https://issues.apache.org/jira/browse/LUCENE-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-4212:
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Attachment: LUCENE-4212.patch
Another buggy case in the MockRandomPostingsFormat: today we do sometimes use
the no-arg ctor at write time
(should only be used for read!), specifically if you use
-Dtests.postingsformat=MockRandom
This results in unseeded behavior, not good. With the previous patch you get
NPE (a little confusing)
Updated patch throws IAE in this case, and I fixed LuceneTestCase to pass the
seed to MockRandom if you use this -D option.
> Tests should not use new Random() without args
> ----------------------------------------------
>
> Key: LUCENE-4212
> URL: https://issues.apache.org/jira/browse/LUCENE-4212
> Project: Lucene - Java
> Issue Type: Improvement
> Components: general/build
> Reporter: Robert Muir
> Attachments: LUCENE-4212.patch, LUCENE-4212.patch, LUCENE-4212.patch
>
>
> They should be using random() etc, and if they create one, it should pass in
> a seed.
> Otherwise, they probably won't reproduce.
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