[LUCENE-8528] Reproducing TestFSTs.testBasicFSA() failure

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.6
• Component/s: core/FSTs
• Lucene Fields: New
• Assignee: Dawid Weiss
• Reporter: Steven Rowe
• Created: 11/Oct/18 00:14
• Updated: 28/Aug/22 15:36
• Resolved: 15/Oct/18 11:55

Description

From https://jenkins.thetaphi.de/job/Lucene-Solr-BadApples-master-Linux/104/:

Checking out Revision 8d205ecd1c6a133f7cb9a4352388ec30d00b4bdb (refs/remotes/origin/master)
[...]
   [junit4] Suite: org.apache.lucene.util.fst.TestFSTs
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestFSTs -Dtests.method=testBasicFSA -Dtests.seed=82D30036E9484CE9 -Dtests.multiplier=3 -Dtests.slow=true -Dtests.badapples=true -Dtests.locale=ckb-IR -Dtests.timezone=Africa/Malabo -Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
   [junit4] FAILURE 0.18s J1 | TestFSTs.testBasicFSA <<<
   [junit4]    > Throwable #1: java.lang.AssertionError: expected:<24> but was:<22>
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([82D30036E9484CE9:5BAEBE18FD0445D5]:0)
   [junit4]    > 	at org.apache.lucene.util.fst.TestFSTs.testBasicFSA(TestFSTs.java:166)
   [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:564)
   [junit4]    > 	at java.base/java.lang.Thread.run(Thread.java:844)
[...]
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene80): {date=PostingsFormat(name=Asserting), field=PostingsFormat(name=Asserting), docid=PostingsFormat(name=LuceneFixedGap), titleTokenized=BlockTreeOrds(blocksize=128), id=PostingsFormat(name=LuceneFixedGap), body=PostingsFormat(name=Asserting), title=PostingsFormat(name=LuceneVarGapFixedInterval)}, docValues:{docid_intDV=DocValuesFormat(name=Lucene70), titleDV=DocValuesFormat(name=Asserting)}, maxPointsInLeafNode=1415, maxMBSortInHeap=5.567002115183062, sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@54396619), locale=ckb-IR, timezone=Africa/Malabo
   [junit4]   2> NOTE: Linux 4.15.0-36-generic amd64/Oracle Corporation 9.0.4 (64-bit)/cpus=8,threads=1,free=171269088,total=460849152