[LUCENE-6124] Fix broken close() methods

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0, 6.0
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Robert Muir
• Created: 18/Dec/14 17:49
• Updated: 28/Aug/22 14:21
• Resolved: 19/Dec/14 21:08

Description

Closeable.close() says "If the stream is already closed then invoking this method has no effect.".

But a lot of our code does not really respect that. If i add an "extra" close() call in assertingcodec, it finds all kinds of bugs in codec code, for example:

   [junit4] Tests with failures (first 10 out of 59):
   [junit4]   - org.apache.lucene.index.TestCrashCausesCorruptIndex.testCrashCorruptsIndexing
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsOnly
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositionsAndOffsetsAndPayloads
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqs
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositionsAndOffsets
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testRandom
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositionsAndPayloads
   [junit4]   - org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositions
   [junit4]   - org.apache.lucene.index.TestDirectoryReader.testFilesOpenClose
   [junit4]   - org.apache.lucene.index.TestIndexWriterDelete.testIndexingThenDeleting