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Posted to java-user@lucene.apache.org by "kai.hu" <li...@hotmail.com> on 2008/04/11 04:45:47 UTC
about NullPointerException in DocumentsWriter$ThreadState.init(DocumentsWriter.java:751)
i got a problem yesterday,
java.lang.NullPointerException
at
org.apache.lucene.index.DocumentsWriter$ThreadState.init(DocumentsWriter.java:751)
at
org.apache.lucene.index.DocumentsWriter.getThreadState(DocumentsWriter.java:2391)
at
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:2434)
at
org.apache.lucene.index.DocumentsWriter.addDocument(DocumentsWriter.java:2422)
at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1445)
at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1424)
so i debug the code ,found if the document add a null Field,it will throw
this Exception.
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Re: about NullPointerException in DocumentsWriter$ThreadState.init(DocumentsWriter.java:751)
Posted by Michael McCandless <lu...@mikemccandless.com>.
I think this is something you just shouldn't do?
Ie, if you call Document.addField(null), it is silently accepted and
then causes that exception when added the document, but my feeling is
you shouldn't do that.
Mike
kai.hu wrote:
>
> i got a problem yesterday,
> java.lang.NullPointerException
> at org.apache.lucene.index.DocumentsWriter$ThreadState.init
> (DocumentsWriter.java:751)
> at org.apache.lucene.index.DocumentsWriter.getThreadState
> (DocumentsWriter.java:2391)
> at org.apache.lucene.index.DocumentsWriter.updateDocument
> (DocumentsWriter.java:2434)
> at org.apache.lucene.index.DocumentsWriter.addDocument
> (DocumentsWriter.java:2422)
> at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:
> 1445)
> at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:
> 1424)
>
> so i debug the code ,found if the document add a null Field,it will
> throw this Exception.
>
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> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
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