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https://issues.apache.org/jira/browse/LUCENE-2989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010702#comment-13010702
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Uwe Schindler edited comment on LUCENE-2989 at 3/24/11 3:31 PM:
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The issue looks like a bug in IBM's Collections class, but it isn't. The List
returned by emptyList() does not implement RandomAccess.
I fixed the test (unfortunately it's clear that emptyList() should return a
random access list, but it's not in the spec, so it's not really IBM's fault).
The fix is to use a realy empty Array and wrap it with Arrays.asList().
Robert can you test?
was (Author: thetaphi):
The issue is a bug in IBM's Collections class. The List returned by
emptyList() does not implement RandomAccess.
I fixed the test (unfortunately it's clear that emptyList() should return a
random access list, but it's not in the spec, so it's not really IBM's fault).
The fix is to use a realy empty Array and wrap it with Arrays.asList().
Robert can you test?
> TestCollectionUtil fails on IBM JRE
> -----------------------------------
>
> Key: LUCENE-2989
> URL: https://issues.apache.org/jira/browse/LUCENE-2989
> Project: Lucene - Java
> Issue Type: Bug
> Environment: java version "1.6.0"
> Java(TM) SE Runtime Environment (build pwi3260sr1-20080416_01(SR1))
> IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows Vista x86-32
> jvmwi3260-20080415_18762 (JIT enabled, AOT enabled)
> J9VM - 20080415_018762_lHdSMr
> JIT - r9_20080415_1520
> GC - 20080415_AA)
> JCL - 20080412_01
> Reporter: Robert Muir
> Assignee: Uwe Schindler
> Attachments: LUCENE-2989.patch
>
>
> [junit] Testcase:
> testEmptyArraySort(org.apache.lucene.util.TestCollectionUtil): Caused an
> ERROR
> [junit] CollectionUtil can only sort random access lists in-place.
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