[LUCENE-6692] AIOOB in ByteSliceReader.nextSlice (negative index)

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Invalid
• Affects Version/s: 5.1
• Lucene Fields: New
• Assignee: Dawid Weiss
• Reporter: Dawid Weiss
• Created: 22/Jul/15 18:58
• Updated: 28/Aug/22 14:39
• Resolved: 07/Oct/15 13:40

Description

Happened to me during heavy multithreaded indexing. Can be a bitflip or something, can't say for sure. Not reproducible.

	Caused by: java.lang.ArrayIndexOutOfBoundsException: -59357
		at org.apache.lucene.index.ByteSliceReader.nextSlice(ByteSliceReader.java:109)
		at org.apache.lucene.index.ByteSliceReader.readByte(ByteSliceReader.java:76)
		at org.apache.lucene.store.DataInput.readVInt(DataInput.java:125)
		at org.apache.lucene.index.FreqProxFields$FreqProxPostingsEnum.nextDoc(FreqProxFields.java:473)
		at org.apache.lucene.codecs.PushPostingsWriterBase.writeTerm(PushPostingsWriterBase.java:128)
		at org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter$TermsWriter.write(BlockTreeTermsWriter.java:847)
		at org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter.write(BlockTreeTermsWriter.java:335)
		at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.write(PerFieldPostingsFormat.java:198)
		at org.apache.lucene.index.FreqProxTermsWriter.flush(FreqProxTermsWriter.java:107)
		at org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:112)
		at org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:420)
		at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:512)
		at org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:382)
		at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:475)
		at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1350)

More context:

os.arch: amd64
os.name: Windows 7
os.version: 6.1 
java.runtime.name: Java(TM) SE Runtime Environment
java.runtime.version: 1.8.0_51-b16
java.specification.name: Java Platform API Specification
java.specification.vendor: Oracle Corporation
java.specification.version: 1.8
java.vendor: Oracle Corporation
java.vendor.url: http://java.oracle.com/
java.vendor.url.bug: http://bugreport.sun.com/bugreport/
java.version: 1.8.0_51
java.vm.info: mixed mode
java.vm.name: Java HotSpot(TM) 64-Bit Server VM
java.vm.specification.name: Java Virtual Machine Specification
java.vm.specification.vendor: Oracle Corporation
java.vm.specification.version: 1.8
java.vm.vendor: Oracle Corporation
java.vm.version: 25.51-b03