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From "Robert Newson (JIRA)" <>
Subject [jira] Commented: (LUCENE-1305) Assertion error in TermsInfoWriter
Date Thu, 12 Jun 2008 16:08:45 GMT


Robert Newson commented on LUCENE-1305:

The test case indexes the Enron corpus and exercises our applications Document creation stuff,
which is quite a few classes, most of which I can't post here. 

I'm a long term Lucene user and I've never seen this kind of failure before, so I'm expecting
it to be an environmental issue or some ugly combination of pieces. I noticed that jdk6 has
many hotspot bugs that affect Lucene. We've had to disable hotstop for invertDocument because
it does, eventually, segfault. 

Our java version is;

java version "1.6.0_04"
Java(TM) SE Runtime Environment (build 1.6.0_04-b12)
Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode, sharing)

> Assertion error in TermsInfoWriter
> ----------------------------------
>                 Key: LUCENE-1305
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 2.3.2
>            Reporter: Robert Newson
>            Assignee: Michael McCandless
> The test passes on my local machine but fails on machine in our lab. Both are using JDK
6 and Ubuntu 8.04. Another interesting difference is that the directory that my input files
are read from is an NFS share, but the index is written to a local disk. the indexing process
is single-threaded. This test completes successfully with lucene 2.2.0 but fails with 2.3.2
(pulled from the maven2 repository).
> indexEnron(bob.IndexingTest)  Time elapsed: 41.285 sec  <<< FAILURE!
> java.lang.AssertionError: Terms are out of order: field=B_contentid (number 7) lastField=B_contentid
(number 7) text=SHA_256  lastText=SHA_256 
> 	at org.apache.lucene.index.TermInfosWriter.add(
> 	at org.apache.lucene.index.DocumentsWriter.appendPostings(
> 	at org.apache.lucene.index.DocumentsWriter.writeSegment(
> 	at org.apache.lucene.index.DocumentsWriter.flush(
> 	at org.apache.lucene.index.IndexWriter.doFlush(
> 	at org.apache.lucene.index.IndexWriter.flush(
> 	at org.apache.lucene.index.IndexWriter.addDocument(
> 	at org.apache.lucene.index.IndexWriter.addDocument(

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