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Posted to dev@lucene.apache.org by "Yonik Seeley (JIRA)" <ji...@apache.org> on 2006/06/20 22:43:30 UTC
[jira] Resolved: (LUCENE-398) ParallelReader crashes when trying to
merge into a new index
[ http://issues.apache.org/jira/browse/LUCENE-398?page=all ]
Yonik Seeley resolved LUCENE-398:
---------------------------------
Fix Version: 2.0.1
Resolution: Fixed
Assign To: Yonik Seeley (was: Lucene Developers)
Thanks for tracking this down Christian!
I've committed Chuck's version of your patch in LUCENE-607
> ParallelReader crashes when trying to merge into a new index
> ------------------------------------------------------------
>
> Key: LUCENE-398
> URL: http://issues.apache.org/jira/browse/LUCENE-398
> Project: Lucene - Java
> Type: Bug
> Components: Index
> Versions: unspecified
> Environment: Operating System: All
> Platform: All
> Reporter: Sebastian Kirsch
> Assignee: Yonik Seeley
> Fix For: 2.0.1
> Attachments: ParallelReader.diff, ParallelReaderTest1.java, parallelreader.diff, patch-next.diff
>
> ParallelReader causes a NullPointerException in
> org.apache.lucene.index.ParallelReader$ParallelTermPositions.seek(ParallelReader.java:318)
> when trying to merge into a new index.
> See test case and sample output:
> $ svn diff
> Index: src/test/org/apache/lucene/index/TestParallelReader.java
> ===================================================================
> --- src/test/org/apache/lucene/index/TestParallelReader.java (revision 179785)
> +++ src/test/org/apache/lucene/index/TestParallelReader.java (working copy)
> @@ -57,6 +57,13 @@
>
> }
>
> + public void testMerge() throws Exception {
> + Directory dir = new RAMDirectory();
> + IndexWriter w = new IndexWriter(dir, new StandardAnalyzer(), true);
> + w.addIndexes(new IndexReader[] { ((IndexSearcher)
> parallel).getIndexReader() });
> + w.close();
> + }
> +
> private void queryTest(Query query) throws IOException {
> Hits parallelHits = parallel.search(query);
> Hits singleHits = single.search(query);
> $ ant -Dtestcase=TestParallelReader test
> Buildfile: build.xml
> [...]
> test:
> [mkdir] Created dir:
> /Users/skirsch/text/lectures/da/thirdparty/lucene-trunk/build/test
> [junit] Testsuite: org.apache.lucene.index.TestParallelReader
> [junit] Tests run: 2, Failures: 0, Errors: 1, Time elapsed: 1.993 sec
> [junit] Testcase: testMerge(org.apache.lucene.index.TestParallelReader):
> Caused an ERROR
> [junit] null
> [junit] java.lang.NullPointerException
> [junit] at
> org.apache.lucene.index.ParallelReader$ParallelTermPositions.seek(ParallelReader.java:318)
> [junit] at
> org.apache.lucene.index.ParallelReader$ParallelTermDocs.seek(ParallelReader.java:294)
> [junit] at
> org.apache.lucene.index.SegmentMerger.appendPostings(SegmentMerger.java:325)
> [junit] at
> org.apache.lucene.index.SegmentMerger.mergeTermInfo(SegmentMerger.java:296)
> [junit] at
> org.apache.lucene.index.SegmentMerger.mergeTermInfos(SegmentMerger.java:270)
> [junit] at
> org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:234)
> [junit] at
> org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:96)
> [junit] at
> org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:596)
> [junit] at
> org.apache.lucene.index.TestParallelReader.testMerge(TestParallelReader.java:63)
> [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> [junit] at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> [junit] Test org.apache.lucene.index.TestParallelReader FAILED
> BUILD FAILED
> /Users/skirsch/text/lectures/da/thirdparty/lucene-trunk/common-build.xml:188:
> Tests failed!
> Total time: 16 seconds
> $
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