RE: LUCENE + EXCEPTION

2005-01-24 Thread Karthik N S 
Hi

  Ok Still I have the Exeption in process ,If even I try to have a Servlet
Single Instance [may be by Authentication
  processs] , but I made shure that Lucene's MergerIndexing is controlled by
single Initiation...



  But With out any Shared Resource's the Exception is popping on Frequently,



   java.io.IOException: read past EOF
at
org.apache.lucene.index.CompoundFileReader$CSInputStream.readInternal(Compou
ndFileReader.java:218)
at
org.apache.lucene.store.InputStream.readBytes(InputStream.java:61)
at
org.apache.lucene.index.SegmentReader.norms(SegmentReader.java:356)
at
org.apache.lucene.index.SegmentReader.norms(SegmentReader.java:323)
at
org.apache.lucene.search.TermQuery$TermWeight.scorer(TermQuery.java:64)
at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:85)
at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:64)
at org.apache.lucene.search.Hits.(Hits.java:43)
at org.apache.lucene.search.Searcher.search(Searcher.java:33)
at org.apache.lucene.search.Searcher.search(Searcher.java:27)



  Please Help me

 [ I could not find any solution on Lucene Form for the same,may be I am the
only one with the issue]

Karthik

-Original Message-
From: Chris Lamprecht [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 25, 2005 9:48 AM
To: Lucene Users List
Subject: Re: LUCENE + EXCEPTION


Hi Karthik,

If you are talking about SingleThreadModel (i.e. your servlet
implements javax.servlet.SingleThreadModel), this does not guarantee
that two different instances of your servlet won't be run at the same
time.  It only guarantees that each instance of your servlet will only
be run by one thread at a time.  See:

http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/servlet/SingleThreadMode
l.html

If you are accessing a shared resource (a lucene index), you'll have
to prevent concurrent modifications somehow other than
SingleThreadModel.

I think they've finally deprecated SingleThreadModel in the latest
(may be not even out yet) servlet spec.

-chris


> On STANDALONE Usge of   UPDATION/DELETION/ADDITION of Documents into
> MergerIndex, the  Code of mine
>
>
> runs PERFECTLY  with out any Problems.
>
>
> But When the same Code is plugged into a WEBAPP on TOMCAT with a servlet
> Running in SINGLE THREAD MODE,Some times
>
>
> Frequently I get the Error as below

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Re: LUCENE + EXCEPTION

2005-01-24 Thread Chris Lamprecht 
Hi Karthik,

If you are talking about SingleThreadModel (i.e. your servlet
implements javax.servlet.SingleThreadModel), this does not guarantee
that two different instances of your servlet won't be run at the same
time.  It only guarantees that each instance of your servlet will only
be run by one thread at a time.  See:

http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/servlet/SingleThreadModel.html

If you are accessing a shared resource (a lucene index), you'll have
to prevent concurrent modifications somehow other than
SingleThreadModel.

I think they've finally deprecated SingleThreadModel in the latest
(may be not even out yet) servlet spec.

-chris

 
> On STANDALONE Usge of   UPDATION/DELETION/ADDITION of Documents into
> MergerIndex, the  Code of mine
> 
> 
> runs PERFECTLY  with out any Problems.
> 
> 
> But When the same Code is plugged into a WEBAPP on TOMCAT with a servlet
> Running in SINGLE THREAD MODE,Some times 
> 
> 
> Frequently I get the Error as below

-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]