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From "Andrew C. Oliver" <acoli...@apache.org>
Subject Re: Web demo example: Errors from Tomcat startup
Date Sat, 09 Feb 2002 12:53:56 GMT
Hey Don,

My earlier correction was only half right.  I read it over again, walked
through it and corrected it.  The error you got below was because you
left off the directory at the end (in the instructions it was "..").. 
I've clarified the instructions and corrected them... Thanks for
reporting these documentation bugs ;-).

-Andy

On Fri, 2002-02-08 at 10:25, Don Gilchrest - Sun Microsystems wrote:
> Hi Andy,
> 
> Thanks for clarifying the demo instructions!
> 
> Now, what about the NPE that Ken Munro cited (included below)?  I'm
> encountering this too:
> 
> dpg% cd $TOMCAT_HOME/webapps/
> dpg% java -verbose org.apache.lucene.demo.IndexHTML -create -index 
> /opt/lucene/index
> ...
> [Loaded java.io.RandomAccessFile from /usr/local/j2sdk1_3_1_02/jre/lib/rt.jar]
>  caught a class java.lang.NullPointerException
>  with message: null
> 
> Could that be related to the NPE problem discussed in the "PhraseQuery:
> NullPointerException" thread, for which Ian offered a possible
> solution, included here:
> 
> > Date: Fri, 08 Feb 2002 12:08:25 +0000
> > From: Ian Lea <ian.lea@blackwell.co.uk>
> > Subject: Re: PhraseQuery: NullPointerException
> > 1.2-rc3 seems to generate NPE if one or more of the words in
> > the search phrase are not present in the index.
> > Works as expected, no NPE, with 1.2-rc2.
> > 
> > If change method seek() in org.apache.lucene.index.SegmentTermPositions from
> > 
> >   final void seek(TermInfo ti) throws IOException {
> >     super.seek(ti);
> >     proxStream.seek(ti.proxPointer);
> >   }
> > 
> > to
> > 
> >   final void seek(TermInfo ti) throws IOException {
> >     super.seek(ti);
> >     if (ti != null) {
> > 	proxStream.seek(ti.proxPointer);
> >     }
> >   }
> > 
> > the NPE goes away.  But I don't know what is going on here so
> > this may well not be the correct solution.
> > 
> > --
> > Ian.
> > ian.lea@blackwell.co.uk
> 
> Thanks again for your help with this.
> 
> -don
> 
> > Date: Wed, 06 Feb 2002 20:29:16 -0400
> > From: Ken Munro <ken@mainsail.ca>
> > ...
> > When I run "java org.apache.lucene.demo.IndexHTML -create -index 
> /opt/lucene/index",
> > I get a null pointer exception (using either JDK 1.2 or 1.3). I am running Red 
> Hat 7.1,
> > with the Sun JDKs.
> > 
> > I set up this script to run it:
> > #!/bin/bash
> > /usr/java/jdk1.3.1_02/bin/java -verbose -cp 
> /usr/java/lucene-1.2-rc3-bin/lucene-1.2-rc3.jar:/usr/java/lucene-1.2-rc3-bin/luc
> ene-demos-1.2-rc3.jar org.apache.lucene.demo.IndexHTML -create -index 
> /opt/lucene/index
> > 
> > And here is the (verbose--hope its not too much) output:
> > ...
> > [Loaded java.io.RandomAccessFile from /usr/java/jdk1.3.1_02/jre/lib/rt.jar]
> >  caught a class java.lang.NullPointerException
> >  with message: null
> > [Loaded java.lang.Shutdown$Lock from /usr/java/jdk1.3.1_02/jre/lib/rt.jar]
> > 
> > Thanks for all your help.
> > 
> > Cheers.
> > 
> > Ken Munro
> > 
> > --
> > Ken Munro
> > Main Sail Productions
> > http://www.mainsail.ca/
> > ken@mainsail.ca
> > 902.431.WWW3
> > 
> > --
> 
> 
> --
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> 
-- 
www.superlinksoftware.com
www.sourceforge.net/projects/poi - port of Excel format to java
http://developer.java.sun.com/developer/bugParade/bugs/4487555.html 
			- fix java generics!


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