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Posted to dev@lucene.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2019/08/13 19:01:00 UTC
[jira] [Updated] (SOLR-13694) IndexSizeEstimator
NullPointerException
[ https://issues.apache.org/jira/browse/SOLR-13694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrzej Bialecki updated SOLR-13694:
-------------------------------------
Attachment: SOLR-13694.patch
> IndexSizeEstimator NullPointerException
> ---------------------------------------
>
> Key: SOLR-13694
> URL: https://issues.apache.org/jira/browse/SOLR-13694
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Hoss Man
> Assignee: Andrzej Bialecki
> Priority: Major
> Attachments: SOLR-13694.patch
>
>
> Jenkins found a reproducible seed for trigging an NPE in IndexSizeEstimatorTest
> Based on a little experimental tracing i did, this might be a real bug in IndexSizeEstimator? ... it's calling close on StoredFieldsReader instances it gets from the CodecReader -- but AFAICT from the docs/code i'm not certain if it should be doing this. It appears the expectation is that this is direct access to the internal state, that will automatically be closed when the CodecReader is closed.
> ie: IndexSizeEstimator is closing StoredFieldsReader pre-maturely, causing it to be unusbale on the next iteration.
> (I didn't dig in far enough to guess if there are other places in the IndexSizeEstimator code that are closing CodecReader internals prematurely as well, or just in this situation ... it's also not clear if this only causes failures because this seed uses SimpleTextCodec, and other codecs are more forgiving -- or if something else about the index(es) generated for this seed are what cause the problem to manifest)
> http://fucit.org/solr-jenkins-reports/job-data/apache/Lucene-Solr-NightlyTests-master/1928
> {noformat}
> hossman@tray:~/lucene/dev/solr/core [j11] [master] $ git rev-parse HEAD
> 0291db44bc8e092f7cb2f577f0ac8ab6fa6a5fd7
> hossman@tray:~/lucene/dev/solr/core [j11] [master] $ ant test -Dtestcase=IndexSizeEstimatorTest -Dtests.method=testEstimator -Dtests.seed=23F60434E13D8FD4 -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.locale=eo -Dtests.timezone=Atlantic/Madeira -Dtests.asserts=true -Dtests.file.encoding=UTF-8
> ...
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=IndexSizeEstimatorTest -Dtests.method=testEstimator -Dtests.seed=23F60434E13D8FD4 -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.badapples=true -Dtests.locale=eo -Dtests.timezone=Atlantic/Madeira -Dtests.asserts=true -Dtests.file.encoding=UTF-8
> [junit4] ERROR 0.88s | IndexSizeEstimatorTest.testEstimator <<<
> [junit4] > Throwable #1: java.lang.NullPointerException
> [junit4] > at __randomizedtesting.SeedInfo.seed([23F60434E13D8FD4:EC2B6B666D451E64]:0)
> [junit4] > at org.apache.lucene.codecs.simpletext.SimpleTextStoredFieldsReader.visitDocument(SimpleTextStoredFieldsReader.java:109)
> [junit4] > at org.apache.solr.handler.admin.IndexSizeEstimator.estimateStoredFields(IndexSizeEstimator.java:513)
> [junit4] > at org.apache.solr.handler.admin.IndexSizeEstimator.estimate(IndexSizeEstimator.java:198)
> [junit4] > at org.apache.solr.handler.admin.IndexSizeEstimatorTest.testEstimator(IndexSizeEstimatorTest.java:117)
> [junit4] > at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit4] > at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> [junit4] > at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> [junit4] > at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> [junit4] > at java.base/java.lang.Thread.run(Thread.java:834)
> {noformat}
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