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From "Robert Mullin" <amalafr...@gmail.com>
Subject java-user@lucene.a.o mail not delivered . . . ??? any suggestions?
Date Mon, 02 Jul 2007 08:24:29 GMT
Dear sir,

As you suggested in your previous e-mail, I attempted to send the following
question to java-user@lucene.a.o.

"I have managed to download and install Lucene.  In addition, I have reached
the point at which I am able to generate an index and run a search.  The
search returns a 'raw' list of HTML pages in which my search term occurs.

Question: how do I go about manipulating the search results?  Is it possible
to "intercept" the listing of HTML pages returned by the Lucene search
function and modify the report it sends to the screen.

Can this be as simple as adding a line to the Lucene Java code so that
instead of reporting a simple chapter number, it will report the chapter
surrounded by HTML code , e.g. instead of simply seeing on my screen
"Chapter 17", I want the report to read <a href = "
chapter17.html#paragraph3">Chapter 17, paragraph 3</a>.

I suspect this will be handled by 1) a few extra lines in Java code or 2) an
addition of javascript or perl-script . . . but am not at all sure.

Thanks in advance for any help that might be provided.

r. mullin

However, it was not delivered.  Instead kicked back to me.  Any suggestions?
On 6/22/07, Robert Mullin <amalafrida@gmail.com> wrote:
>
> Grant,
>
> Excellent!  changed the CLASSPATH
> then . . .
> read the postings at the 'gossamer-threads' site you mentioned . . .
> followed your directions and was able to successfully index and search 3000
> pages of Edward Gibbon's <Decline and Fall of the Roman Empire> . . . I'm
> preparing a CD edition for use at Harvard  . . . and by anyone else who'll
> purchase it for class work.
>
> In any case, I thank you for your succinct and accurate advice.  After
> some further refinement, i.e. . . . getting this linked up with my HTML
> pages . . . I'll come back and make a few suggestions for Apache instruction
> page . . . it seems to me there are a few items that could be added for the
> newcomer . . . e.g. an example CLASSPATH setting . . . also . . . your
> mention that one could substitute any directory for the search . . . was a
> revelation . . . I had not realized what that portion of the command was
> addressing . . . and why . . . now it's clear.
>
> Once again, thanks and I'll try to return the favor . . . as a technical
> editor, perhaps I can be of some further assistance.
>
> Cordially,
>
> R. Mullin
>
> On 6/22/07, Grant Ingersoll <gsingers@apache.org> wrote:
> >
> > Hi Robert,
> >
> > For Lucene Java issues, try java-user@lucene.a.o, you will get much
> > better help in the future.
> >
> > The issue appears to be that you need to include the actual JAR files
> > in the classpath, the directory containing them is not sufficient.
> > See http://www.gossamer-threads.com/lists/lucene/java-user/50132?
> > search_string=ERROR%20opening%20the%20Index;#50132 for a similar
> > discussion (which also can be applied to Lucene 2.2.0)
> >
> > Cheers,
> > Grant
> >
> > On Jun 22, 2007, at 11:49 AM, Robert Mullin wrote:
> >
> > > 1)I have downloaded and unpacked the Lucene tar.gz file
> > >
> > > 2)the successfully unpacked and installed files reside in a directory:
> >
> > > /usr/local/bin/Lucene/
> > >
> > > 3)echo $CLASSPATH returns: .:/usr/local/bin/Lucene/
> > > . . . which is the directory in which reside the two .jar files, core
> > > & demos, as well as the src directory;
> > >
> > > 4)from within my Lucene directory, I issue the following command (as
> > > indicated in instructions at
> > > lucene.apache.org/java/docs/demo.html ):
> > > java org.apache.lucene.demo.IndexFiles /usr/local/bin/Lucene/src
> > >
> > > 5)I receive the following error message:
> > > Exception in thread "main" java.lang.NoClassDefFoundError:
> > > org/apache/lucene/demo/IndexFiles
> > >
> > > 6)if I change my permission level to su and then issue the same
> > > command, I receive the following error message:
> > > Exception in thread "main" java.lang.NoClassDefFoundError:
> > > org.apache.lucene.demo.IndexFiles
> > >   at gnu.java.lang.MainThread.run(libgcj.so.70)
> > > Caused by: java.lang.ClassNotFoundException:
> > > org.apache.lucene.demo.IndexFiles not found in
> > > gnu.gcj.runtime.SystemClassLoader{urls= [file:./,file:/usr/local/bin/
> > > Lucene/],
> > > parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
> > >   at java.net.URLClassLoader.findClass(libgcj.so.70)
> > >   at gnu.gcj.runtime.SystemClassLoader.findClass (libgcj.so.70)
> > >   at java.lang.ClassLoader.loadClass(libgcj.so.70)
> > >   at java.lang.ClassLoader.loadClass(libgcj.so.70)
> > >   at gnu.java.lang.MainThread.run(libgcj.so.70)
> > >
> > > Any suggestions?  Clearly I am a novice in matters Javan . . . but
> > > learning rapidly . . . I feel certain that this
> > > can be resolved with a small "path" change of some sort  . . . but
> > > Zeus be damned if I know what it is.
> > >
> > > Java program in general appears to be properly installed.  Recently
> > > downloaded from the Sun site.
> > > I am able to compile and run other *.java files from my tutorial
> > > directory. . . .
> > >
> > > Thanks in advance for any help that might be forthcoming.  I've
> > > stepped through the directions several times . . . to no avail.
> > > I have looked at the FAQ and browsed the list archives, but find
> > > nothing so fundamental.
> > >
> > > Cordially,
> > >
> > > R. Mullin
> >
> > --------------------------
> > Grant Ingersoll
> > Center for Natural Language Processing
> > http://www.cnlp.org/tech/lucene.asp
> >
> > Read the Lucene Java FAQ at http://wiki.apache.org/lucene-java/LuceneFAQ
> >
> >
> >
>

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