Major Description
From https://jenkins.thetaphi.de/job/Lucene-Solr-master-Windows/6347, reproduces 100% for me on Linux:
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestRecovery -Dtests.method=testBuffering -Dtests.seed=416C60950450F681 -Dtests.slow=true -Dtests.locale=no -Dtests.timezone=America/Rainy_River -Dtests.asserts=true -Dtests.file.encoding=UTF-8
[junit4] FAILURE 0.10s J1 | TestRecovery.testBuffering <<<
[junit4] > Throwable #1: java.lang.AssertionError: expected:<6> but was:<10>
[junit4] > at __randomizedtesting.SeedInfo.seed([416C60950450F681:5C82CEBEA50957AA]:0)
[junit4] > at org.apache.solr.search.TestRecovery.testBuffering(TestRecovery.java:284)
[...]
[junit4] 2> NOTE: test params are: codec=Asserting(Lucene70): {_version_=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene50(blocksize=128))), val_i=PostingsFormat(name=Direct), id=PostingsFormat(name=Direct)}, docValues:{}, maxPointsInLeafNode=1974, maxMBSortInHeap=7.099504359147245, sim=RandomSimilarity(queryNorm=false): {}, locale=no, timezone=America/Rainy_River
[junit4] 2> NOTE: Windows 10 10.0 amd64/Oracle Corporation 1.8.0_112 (64-bit)/cpus=3,threads=1,free=213046664,total=411041792
Another test failure that on the same run doesn't reproduce for me, but these two tests were running on the same JVM, and so may have somehow influenced each other:
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=RecoveryZkTest -Dtests.method=test -Dtests.seed=416C60950450F681 -Dtests.slow=true -Dtests.locale=da -Dtests.timezone=EAT -Dtests.asserts=true -Dtests.file.encoding=UTF-8 [junit4] FAILURE 12.2s J1 | RecoveryZkTest.test <<< [junit4] > Throwable #1: java.lang.AssertionError: Mismatch in counts between replicas [junit4] > at __randomizedtesting.SeedInfo.seed([416C60950450F681:C9385F4FAAAC9B79]:0) [junit4] > at org.apache.solr.cloud.RecoveryZkTest.assertShardConsistency(RecoveryZkTest.java:143) [junit4] > at org.apache.solr.cloud.RecoveryZkTest.test(RecoveryZkTest.java:126)