Hi Otis,
I too tried to disable the lucene locks for searching index by specifying
"$JAVACMD $TOMCAT_OPTS -DdisableLuceneLocks=true ....." in tomcat.sh.
To make sure the variable is set properly I also tried to print its
value.(see below the line marked by arrow).
But still I got the following exception stack trace on searching on readonly
index directory:
--------------<snip>----------------------------------------------
INFO: disableLuceneLocks = true <----------------------
SEVERE:
java.io.IOException: Permission denied
at java.io.UnixFileSystem.createFileExclusively(Native Method)
at java.io.File.createNewFile(File.java:827)
at org.apache.lucene.store.FSDirectory$1.obtain(Unknown Source)
at org.apache.lucene.store.Lock$With.run(Unknown Source)
at org.apache.lucene.index.IndexReader.open(Unknown Source)
at org.apache.lucene.index.IndexReader.open(Unknown Source)
at org.apache.lucene.search.IndexSearcher.<init>(Unknown Source)
at deshaw.desearch.search.FileSearcher.search(FileSearcher.java:778)
at deshaw.desearch.search.FileSearcher.doPost(FileSearcher.java:212)
at deshaw.desearch.search.FileSearcher.doGet(FileSearcher.java:95)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
at org.apache.tomcat.core.Handler.service(Handler.java:286)
at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
7)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:210)
at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
at java.lang.Thread.run(Thread.java:536)
Feb 28, 2003 12:51:49 PM deshaw.desearch.search.FileSearcher doPost
--------------</snip>----------------------------------------------
I susspect there may be problem with Lucene Version.
I am using Lucene version 1.2-rc4. I guess this is the most recent version.
Let me know which version you tested this with.
Thanks.
Regards,
-goutam-
-----Original Message-----
From: Otis Gospodnetic [mailto:[EMAIL PROTECTED]
Sent: Monday, February 24, 2003 10:17 AM
To: Lucene Users List
Subject: Re: Index-file locking while searching?
Hello,
I think you didn't set that system property properly, or maybe you are
using some old Lucene release that does not have this functionality.
I just checked the source of FSDirectory, and the code looks right.
Otis
--- "Giri, Sandeep" <[EMAIL PROTECTED]> wrote:
> Hi!
> I don't want to give write permission to the index directory while
> searching.
> But lucene needs write permission on index directory so that it can
> create
> locks while searching.
> So, I tried to use the "-DdisableLuceneLocks=true" but its not
> working.
> It gives the following error:
> -----<snip>--------------
> SEVERE:
> java.io.IOException: Permission denied
> at java.io.UnixFileSystem.createFileExclusively(Native
> Method)
> at java.io.File.createNewFile(File.java:827)
> at org.apache.lucene.store.FSDirectory$1.obtain(Unknown
> Source)
> at org.apache.lucene.store.Lock$With.run(Unknown Source)
> at org.apache.lucene.index.IndexReader.open(Unknown Source)
> at org.apache.lucene.index.IndexReader.open(Unknown Source)
> at org.apache.lucene.search.IndexSearcher.<init>(Unknown
> Source)
> at FileSearcherCmdLine.search(FileSearcherCmdLine.java:93)
> at FileSearcherCmdLine.main(FileSearcherCmdLine.java:689)
> [Search Time]: 0.0 secs
> -----</snip>--------------
>
> What is the solution?
> Somebody, please help me out..
>
> Thanks in advance.
>
> Best Regards,
> Sandeep Giri
> Member Technical
> D.E.Shaw India Software Pvt. Ltd.
> Hyderabad.
> DISCLAIMER :"Any views expressed in this message are those of the
> individual
> sender, except where the sender specifically states them to be the
> views of
> D. E. Shaw India Software Private Limited., or any of its affiliates"
>
>
>
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