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From "jitender ahuja" <ajiten...@aalayance.com>
Subject CLOSING IndexWriter object after each file indexing causing NullPointerException ?
Date Tue, 13 Apr 2004 14:02:48 GMT
Hi,
     Can anyone tell what can be a probable cause of error for the following error as the
source of error is not any of the following:
a) Index directory closing after each file of the directory (to be indexed) : verified by
the changing directory size, with the changing
 number of files to be indexed
b) IndexWriter object being closed out : verified by checking the IndexWriter object ( here,
writ) being a non-null object, by the line:
        System.out.println(writ != null); in the attached code


Error output:
 java.lang.NullPointerException
        at org.apache.lucene.index.IndexWriter.close(Unknown Source)
        at IndexDatanew.indexDocs(IndexDatanew.java:89)
        at IndexDatanew.indexDocs(IndexDatanew.java:50)
        at IndexDatanew.main(IndexDatanew.java:25)

The code that causes this error is working fine otherwise (i.e. for indexing purposes) and
is "attached"; the output in detail for a
directory of 2 files is also attached.:
  
Thanks
Jitender
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