Hi
I am new to Lucene. Can anyone guide me from where i can download free
Lucene book.
Thanx Regards
E.Faisal
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On Sep 7, 2004, at 3:00 AM, [EMAIL PROTECTED] wrote:
I am new to Lucene. Can anyone guide me from where i can download free
Lucene book.
Free?!
http://www.manning.com/hatcher2 is the book Otis and I have spent the
last year laboring on. It has been a long hard effort that is about to
come to
Jeez, Erik! Where's your sense of public spirit ;-)
Terry
PS: Glad to hear you're (finally!) nearing publication.
- Original Message -
From: Erik Hatcher
To: Lucene Users List
Sent: Tuesday, September 07, 2004 6:43 AM
Subject: Re: Lucene Book
On Sep 7, 2004, at 3:00
Hello Ebrahim,
Like Erik said, the book about Lucene is coming soon. Although it
won't be free, Erik, I, and a few other people already shared some of
our knowledge about Lucene in several articles about Lucene. There is
a page on the Lucene Wiki that has links to all known Lucene articles.
I
I don't understand the difference in using + and - in queries compared
to using AND and NOT. Even the Query Syntax document seems a bit
confused. In the section on the NOT operator it says:
To search for documents that contain jakarta apache but not
jakarta lucene use the query:
jakarta
I sent out an email to this list a few weeks ago about how to fix a corrupt
index. I basically edited the segments file with a hex editor removing the
entry for the missing file and decremented the total count of files from the
file count that is near the beginning of the segments file.
A note to developers, the code checked into lucene CVS ~Aug 15th, post
1.4.1, was causing frequent index corruptions. When I reverted back to
version 1.4 I no longer am getting the corruptions.
I was unable to trace the problem to anything specific, but was using the
newer code to take advantage
Bill Janssen wrote:
Hi.
Hey, Bill. It's been a long time!
I've got a Lucene application that's been in use for about two years.
Some users are using Lucene 1.2, some 1.3, and some are moving to 1.4.
The indices seem to behave differently under each version. I'd like
to add code to my application
Kevin A. Burton wrote:
My problem is that I have two machines... one for searching, one for
indexing.
The searcher has an existing index.
The indexer found an UPDATED document and then adds it to a new index
and pushes that new index over to the searcher.
The searcher then reloads and when
Kevin A. Burton wrote:
It looks like Document.java uses its own implementation of a LinkedList..
Why not use a HashMap to enable O(1) lookup... right now field lookup is
O(N) which is certainly no fun.
Was this benchmarked? Perhaps theres the assumption that since
documents often have few
On Tuesday 07 September 2004 17:41, [EMAIL PROTECTED] wrote:
A note to developers, the code checked into lucene CVS ~Aug 15th, post
1.4.1, was causing frequent index corruptions. When I reverted back to
version 1.4 I no longer am getting the corruptions.
Here are some changes from around that
Dear Lucene Users:
What is the best way to get the most common terms for a subset of the total
documents in your index?
I know how to get the most common terms for a field for the entire index,
but what is the most efficient way to do this for a subset of documents?
Here is the code I am using
Thanks, Doug, much as I'd figured from looking at the code.
Here's a follow-up question: Is there any programmatic way to tell
which version of the Lucene code a program is using? A version number
or string would be great (perhaps an idea for the next release), but a
list of classes in one
Hi all,
I met with such a problem with lucene demo:
Each time when I create lucene index, I have to first stop tomcat, and
restart tomcat after the index is created. The reason is: the index is
locked when using IndexReader.open(index) method in the jsp file.
So, I tried to modify the jsp codes
My application currently uses Lucene with an index living on the
filesystem, and it works fine. I'm moving to a clustered environment
soon and need to figure out how to keep my indexes together. Since the
index is on the filesystem, each machine in the cluster will end up
with a different index.
Hi,
I have such a problem when creating lucene index for many html files:
It shows aborted, expectedtagnametagend for those html files
which contain java scripts. It seems it cannot parse the tags \.
Does anyone has any solution?
Thank you very very much...!!!
Ivy.
Hi,
I met with such a problem with lucene demo:
Each time when I create lucene index, I have to first stop tomcat, and
restart tomcat after the index is created. The reason is: the index is
locked when using IndexReader.open(index) method in the jsp file.
So, I tried to modify the jsp codes by
Why oh why did you send this to the tomcat lists?
Don't cross post! Especially when the question doesn't even apply to
one of the lists.
Patrick
On Tue, 7 Sep 2004 16:35:35 -0400, hui liu [EMAIL PROTECTED] wrote:
Hi,
I have such a problem when creating lucene index for many html files:
This isn't a Tomcat specific problem, but sounds like a problem with
how you the reader is being used.
Somewhere in the JSP a IndexReader variable was probably assigned to.
A line something like:
IndexReader ir = IndexReader.open(somepath);
To close the reader, and thus solve the problem,
Ah, I see your problem. From the Lucene Javadocs on IndexSearcher.close():
Note that the underlying IndexReader is not closed, if IndexSearcher
was constructed with IndexSearcher(IndexReader r). If the IndexReader
was supplied implicitly by specifying a directory, then the
IndexReader gets
Hi Bill,
No difference, it's just that Lucene's query syntax recognizes both
'NOT' and '-' and uses them the same way - to exclude certain documents
from sesrch results.
Otis
--- Bill Tschumy [EMAIL PROTECTED] wrote:
I don't understand the difference in using + and - in queries
compared
to
I've used scp and rsync successfully in the past.
Lucene now includes a remote searcher (RMI stuff), so you may want to
consider a single index, too.
Otis
--- Ben Sinclair [EMAIL PROTECTED] wrote:
My application currently uses Lucene with an index living on the
filesystem, and it works fine.
I suspect it has to do with this change:
--- jakarta-lucene/src/java/org/apache/lucene/index/SegmentMerger.java 2004/08/08
13:03:59 1.12
+++ jakarta-lucene/src/java/org/apache/lucene/index/SegmentMerger.java 2004/08/11
17:37:52 1.13
I wouldn't know where to start to reproduce the
Hi Wallen,
Actually, the files Daniel listed were modified on 8/11 and then again
on 8/15. In the time between 8/11 to 8/15, I belive there could have
been any number of problems, including corrupt indexes and poor
multithreaded performance. However, I think after 8/15, the files should
be in
Hi!
I'm using Lucene for an application which has lots of fields/document,
in which the users can specify in their config files what fields they
wish to be included by default in a search. I'd been happily using
MultiFieldQueryParser to do the searches, but the darn users started
demanding more
I will deploy and test through the end of the week and report back Friday if the
problem persists. Thank you!
-Original Message-
From: Dmitry Serebrennikov [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 07, 2004 8:40 PM
To: Lucene Users List
Subject: Re: Spam:too many open files
Hi all,
I was wondering if anyone could tell me what the expected behaviour is
for calling an explain() without calling a search() first on a
particular query. Would it effectively do a search and then I can
examine the Explanation in order to check whether it matches?
I'm currently looking at
Hi all,
Sorry I should clarify my last point.
The search() would return no hits, but the explain() using the
apparently invalid docId returns a value greater than 0.
For what it's worth it's performing a PhraseQuery.
Thanks in advance,
Minh
Minh Kama Yie wrote:
Hi all,
I was wondering if anyone
Hi all,
i use pdfbox to parse pdf file to lucene document.when i parse Chinese
pdf file,pdfbox is not always success.
Is anyone have some advice?
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