Thanks Dawid! So my take-away is that this is just pilot error on my part,
not something intrinsic to the code.
Erick
On Sun, Aug 31, 2014 at 12:46 PM, Dawid Weiss <dawid.we...@cs.put.poznan.pl>
wrote:
> It's because the exception is triggered in a static class
> FaultyIndexInput (initialized in a static context
> TestFieldsReader#beforeClass). When you ask for -Dtests.iters, only
> the tests (methods) are duplicated, the static context remains the
> same. So the "count" variable in FaultyIndexInput is actually
> propagated from test to test and each repetition is not really atomic/
> isolated from others (search for one of recent e-mail to Ryan, it
> contains a deeper information on why and how this works).
>
> You can repeat the failure if you repeat exactly the same seed for
> each repetition (including test methods):
>
> ant test -Dtestcase=TestFieldsReader
> -Dtests.seed=DFB0B84C4D087DFD:1DE75618D1B7C867 -Dtests.slow=true
> -Dtests.locale=sr_ME -Dtests.timezone=Asia/Kashgar
> -Dtests.file.encoding=UTF-8 -Dtests.iters=10
>
> This yields:
>
> Tests with failures:
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#1
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#2
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#3
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#4
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#5
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#6
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#7
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#8
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
> - org.apache.lucene.index.TestFieldsReader.testExceptions {#9
> seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]}
>
> Note I included per-method seed in the -Dtests.seed. Also, #0
> iteration *does pass*; the remaining ones fail because of what I said
> above.
>
> Dawid
>
> On Sun, Aug 31, 2014 at 6:20 AM, Erick Erickson <erickerick...@gmail.com>
> wrote:
> > I'm seeing the fairly easily-reproducible error below on trunk.
> > Unfortunately it doesn't reproduce with the seed. I'm wondering if anyone
> > has an inkling what's going on here?
> >
> > I did manage to notice that I screwed up the command I was _intending_
> and
> > actually issued the command below, although I have a hard time imagining
> > that's the problem, unless it's something like running tests.iters on the
> > full suite makes this happen. No wonder -Dtests.iters=100 didn't
> finish...
> > Siiigggghhhh.
> >
> > ant -Dtestcasae=TestDistributedSearch -Dtests.iters=10 test
> >
> > Note I spelled 'testcase' as 'testcasae'...
> >
> >
> > Stack trace:
> >
> > [junit4] Suite: org.apache.lucene.index.TestFieldsReader
> >
> > [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=TestFieldsReader
> > -Dtests.method=testExceptions -Dtests.seed=DFB0B84C4D087DFD
> > -Dtests.slow=true -Dtests.locale=sr_ME -Dtests.timezone=Asia/Kashgar
> > -Dtests.file.encoding=UTF-8
> >
> > [junit4] ERROR 0.10s J2 | TestFieldsReader.testExceptions {#1
> > seed=[DFB0B84C4D087DFD:1DE75618D1B7C867]} <<<
> >
> > [junit4] > Throwable #1: java.io.IOException: Simulated network
> outage
> >
> > [junit4] > at
> > __randomizedtesting.SeedInfo.seed([DFB0B84C4D087DFD:1DE75618D1B7C867]:0)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.TestFieldsReader$FaultyIndexInput.simOutage(TestFieldsReader.java:156)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.TestFieldsReader$FaultyIndexInput.readInternal(TestFieldsReader.java:161)
> >
> > [junit4] > at
> >
> org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput.java:342)
> >
> > [junit4] > at
> >
> org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.java:140)
> >
> > [junit4] > at
> >
> org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.java:116)
> >
> > [junit4] > at
> >
> org.apache.lucene.store.BufferedChecksumIndexInput.readBytes(BufferedChecksumIndexInput.java:49)
> >
> > [junit4] > at
> > org.apache.lucene.store.DataInput.readString(DataInput.java:234)
> >
> > [junit4] > at
> > org.apache.lucene.store.DataInput.readStringStringMap(DataInput.java:263)
> >
> > [junit4] > at
> >
> org.apache.lucene.codecs.lucene46.Lucene46FieldInfosReader.read(Lucene46FieldInfosReader.java:93)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.SegmentReader.readFieldInfos(SegmentReader.java:216)
> >
> > [junit4] > at
> > org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:59)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:795)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:50)
> >
> > [junit4] > at
> > org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:64)
> >
> > [junit4] > at
> >
> org.apache.lucene.index.TestFieldsReader.testExceptions(TestFieldsReader.java:209)
> >
> > [junit4] > at java.lang.Thread.run(Thread.java:745)
> >
> > [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestFieldsReader
> > -Dtests.method=testExceptions -Dtests.seed=DFB0B84C4D087DFD
> > -Dtests.slow=true -Dtests.locale=sr_ME -Dtests.timezone=Asia/Kashgar
> > -Dtests.file.encoding=UTF-8
> > [junit4] ERROR 0.13s J2 | TestFieldsReader.testExceptions {#2
> > seed=[DFB0B84C4D087DFD:930EC0C4807380AC]} <<<
> > [junit4] > Throwable #1: java.io.IOException: Simulated network
> outage
> >
> >
> >
>
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