[
https://issues.apache.org/jira/browse/LUCENE-5168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741968#comment-13741968
]
Dawid Weiss commented on LUCENE-5168:
-------------------------------------
I can reproduce the issue on a different scenario too (core tests) so it's
quite definitely a compiler bug lurking somewhere.
{code}
[junit4] ERROR 0.00s | TestSimpleExplanations (suite) <<<
[junit4] > Throwable #1: java.lang.AssertionError
[junit4] > at
__randomizedtesting.SeedInfo.seed([8C5A2DB2970990FA]:0)
[junit4] > at
org.apache.lucene.index.FreqProxTermsWriterPerField.flush(FreqProxTermsWriterPerField.java:457)
[junit4] > at
org.apache.lucene.index.FreqProxTermsWriter.flush(FreqProxTermsWriter.java:85)
[junit4] > at
org.apache.lucene.index.TermsHash.flush(TermsHash.java:116)
[junit4] > at
org.apache.lucene.index.DocInverter.flush(DocInverter.java:53)
[junit4] > at
org.apache.lucene.index.DocFieldProcessor.flush(DocFieldProcessor.java:81)
[junit4] > at
org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:501)
[junit4] > at
org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:478)
[junit4] > at
org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:615)
[junit4] > at
org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:365)
[junit4] > at
org.apache.lucene.index.RandomIndexWriter.getReader(RandomIndexWriter.java:307)
[junit4] > at
org.apache.lucene.index.RandomIndexWriter.getReader(RandomIndexWriter.java:249)
[junit4] > at
org.apache.lucene.search.TestExplanations.beforeClassTestExplanations(TestExplanations.java:82)
[junit4] > at java.lang.Thread.run(Thread.java:724)Throwable #2:
java.lang.NullPointerException
[junit4] > at
__randomizedtesting.SeedInfo.seed([8C5A2DB2970990FA]:0)
[junit4] > at
org.apache.lucene.search.TestExplanations.afterClassTestExplanations(TestExplanations.java:63)
[junit4] > at java.lang.Thread.run(Thread.java:724)
[junit4] Completed in 0.06s, 0 tests, 1 failure, 1 error <<< FAILURES!
{code}
Five failures out of a hundred full runs of lucene's core tests. So it's not a
frequent thing, but it does happen. Java 1.8 b102, 32-bit (Windows).
> ByteSliceReader assert trips with 32-bit oracle 1.7.0_25 + G1GC
> ---------------------------------------------------------------
>
> Key: LUCENE-5168
> URL: https://issues.apache.org/jira/browse/LUCENE-5168
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Attachments: java8-windows-4x-3075-console.txt
>
>
> This assertion trips (sometimes from different tests), if you run the
> highlighting tests on branch_4x with r1512807.
> It reproduces about half the time, always only with 32bit + G1GC (other
> combinations do not seem to trip it, i didnt try looping or anything really
> though).
> {noformat}
> rmuir@beast:~/workspace/branch_4x$ svn up -r 1512807
> rmuir@beast:~/workspace/branch_4x$ ant clean
> rmuir@beast:~/workspace/branch_4x$ rm -rf .caches #this is important,
> otherwise master seed does not work!
> rmuir@beast:~/workspace/branch_4x/lucene/highlighter$ ant test
> -Dtests.jvms=2 -Dtests.seed=EBBFA6F4E80A7365 -Dargs="-server
> -XX:+UseG1GC"
> {noformat}
> Originally showed up like this:
> {noformat}
> Build: http://jenkins.thetaphi.de/job/Lucene-Solr-4.x-Linux/6874/
> Java: 32bit/jdk1.7.0_25 -server -XX:+UseG1GC
> 1 tests failed.
> REGRESSION:
> org.apache.lucene.search.postingshighlight.TestPostingsHighlighter.testUserFailedToIndexOffsets
> Error Message:
> Stack Trace:
> java.lang.AssertionError
> at
> __randomizedtesting.SeedInfo.seed([EBBFA6F4E80A7365:1FBF811885F2D611]:0)
> at
> org.apache.lucene.index.ByteSliceReader.readByte(ByteSliceReader.java:73)
> at org.apache.lucene.store.DataInput.readVInt(DataInput.java:108)
> at
> org.apache.lucene.index.FreqProxTermsWriterPerField.flush(FreqProxTermsWriterPerField.java:453)
> at
> org.apache.lucene.index.FreqProxTermsWriter.flush(FreqProxTermsWriter.java:85)
> at org.apache.lucene.index.TermsHash.flush(TermsHash.java:116)
> at org.apache.lucene.index.DocInverter.flush(DocInverter.java:53)
> at
> org.apache.lucene.index.DocFieldProcessor.flush(DocFieldProcessor.java:81)
> at
> org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:501)
> {noformat}
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