[LUCENE-5390] Loosen assert in IW on pending event after close

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.6, 4.6.1, 4.7, 6.0
• Fix Version/s: 4.6.1, 4.7, 6.0
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Simon Willnauer
• Created: 09/Jan/14 14:56
• Updated: 28/Aug/22 13:58
• Resolved: 09/Jan/14 21:19

Description

Sometimes the assert in the IW is tripped due to pending merge events. Those events can always happen but they are meaningless since we close / rollback the IW anyway. I suggest we loosen the assert here to not fail if there are only pending merge events.

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1 tests failed.
REGRESSION: org.apache.lucene.index.TestIndexWriterWithThreads.testRollbackAndCommitWithThreads

Error Message:
Captured an uncaught exception in thread: Thread[id=288, name=Thread-222, state=RUNNABLE, group=TGRP-TestIndexWriterWithThreads]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=288, name=Thread-222, state=RUNNABLE, group=TGRP-TestIndexWriterWithThreads]
Caused by: java.lang.RuntimeException: java.lang.AssertionError: [org.apache.lucene.index.DocumentsWriter$MergePendingEvent@67ef293b]
at __randomizedtesting.SeedInfo.seed([98DFB1602D9F9A2A]:0)
at org.apache.lucene.index.TestIndexWriterWithThreads$1.run(TestIndexWriterWithThreads.java:619)
Caused by: java.lang.AssertionError: [org.apache.lucene.index.DocumentsWriter$MergePendingEvent@67ef293b]
at org.apache.lucene.index.IndexWriter.rollback(IndexWriter.java:2026)
at org.apache.lucene.index.TestIndexWriterWithThreads$1.run(TestIndexWriterWithThreads.java:575)

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