There may be some likage while using threadedIndexWriter...
The app start as a listener servlet in tomcat6
First start, all ok.
First close, none of these lines appear:
*INFO: A valid shutdown command was received via the shutdown port. Stopping
the Server instance.
Sep 29, 2011 3:28:34 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-bio-80"]
Sep 29, 2011 3:28:35 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
Sep 29, 2011 3:28:36 PM org.apache.catalina.core.StandardService
stopInternal
INFO: Stopping service Catalina
**Sep 29, 2011 3:28:45 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["http-bio-80"]
Sep 29, 2011 3:28:45 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["ajp-bio-8009"]
Sep 29, 2011 3:28:45 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["http-bio-80"]
Sep 29, 2011 3:28:45 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["ajp-bio-8009"]*
Second start:
Exception in thread "pool-1-thread-3" java.lang.NullPointerException
at
org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyWriter.getParent(LuceneTaxonomyWriter.java:724)
at
org.apache.lucene.facet.index.streaming.CategoryParentsStream.incrementToken(CategoryParentsStream.java:106)
at
org.apache.lucene.facet.index.streaming.CountingListTokenizer.incrementToken(CountingListTokenizer.java:63)
at
org.apache.lucene.facet.index.streaming.CategoryTokenizer.incrementToken(CategoryTokenizer.java:48)
at
org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:185)
at
org.apache.lucene.index.DocFieldProcessorPerThread.processDocument(DocFieldProcessorPerThread.java:278)
at
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:766)
at
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:2067)
at
org.myapp.search.CustomLucene.ThreadedIndexWriter.access$1(ThreadedIndexWriter.java:1)
at
org.myapp.search.CustomLucene.ThreadedIndexWriter$Job.run(ThreadedIndexWriter.java:39)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
