[LUCENE-552] NPE during mergeSegments

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Incomplete
• Affects Version/s: 2.0.0
• Component/s: core/index

Environment

2.0-rc1-dev

• Assignee: Unassigned
• Reporter: Ole Kværnø
• Created: 21/Apr/06 21:09
• Updated: 28/Aug/22 11:27
• Resolved: 22/Sep/08 18:33

Description

The JVM stops with a NPE after running for about 6-8 hours, indexing about 500.000 articles.
After a restart of the JVM, the problematic merge seems to complete OK.

Exception in thread "Thread-4" java.lang.NullPointerException
at org.apache.lucene.store.RAMInputStream.<init>(RAMInputStream.java:32)
at org.apache.lucene.store.RAMDirectory.openInput(RAMDirectory.java:171)
at org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:155)
at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:129)
at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:110)
at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:700)
at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:684)
at org.apache.lucene.index.IndexWriter.flushRamSegments(IndexWriter.java:654)
at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:402)
at com.magentanews.index.IndexManager.insertDocuments(IndexManager.java:190)
at com.magentanews.index.SplitIndexManager.insertDocuments(SplitIndexManager.java:152)
at com.magentanews.index.LuceneFeeder.insertDocuments(LuceneFeeder.java:234)
at com.magentanews.index.IndexerApplication.insertDocuments(IndexerApplication.java:255)
at com.magentanews.index.IndexerApplication.run(IndexerApplication.java:160)