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From Ian Lea <ian....@gmail.com>
Subject Re: IndexReader.open and CorruptIndexException
Date Thu, 24 Jan 2013 09:46:25 GMT
Well, raising the limits is one option but there may be better ones.

There's an FAQ entry on this:
http://wiki.apache.org/lucene-java/LuceneFAQ#Why_am_I_getting_an_IOException_that_says_.22Too_many_open_files.22.3F

Take a look at org.apache.lucene.search.SearcherManager "Utility class
to safely share IndexSearcher instances across multiple threads".


--
Ian.


On Thu, Jan 24, 2013 at 9:18 AM, Rafał Kuć <r.kuc@solr.pl> wrote:
> Hello!
>
> You need to allow the user that is running Lucene to open more files.
> There are plenty of tutorials available on the web. Modify your
> /etc/security/limits.conf and if for example your user is lucene add
> the following (or modify if those already exists):
>
> lucene soft nofile 64000
> lucene hard nofile 64000
>
> Relog and run:
>
> sudo -u lucene -s "ulimit -Sn"
>
> To see if the limits are the ones you set. If they are not, check if
> you don't have pam_limits.so commented in the /etc/pam.d/
>
> --
> Regards,
>  Rafał Kuć
>  Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch
>
>> Here is the log:
>
>> Jan 24, 2013 4:10:33 AM
>> org.apache.tomcat.util.net.AprEndpoint$Acceptor run
>> SEVERE: Socket accept failed
>> org.apache.tomcat.jni.Error: 24: Too many open files
>> at org.apache.tomcat.jni.Socket.accept(Native Method)
>> at
>> org.apache.tomcat.util.net.AprEndpoint$Acceptor.run(AprEndpoint.java:990)
>> at java.lang.Thread.run(Thread.java:722)
>
>
>
>> Too many open files... How to solve it?
>
>
>> On Tue, Jan 22, 2013 at 10:52 PM, Michael McCandless <
>> lucene@mikemccandless.com> wrote:
>
>>> Can you post the full stack trace of the CorruptIndexException?
>>>
>>> Mike McCandless
>>>
>>> http://blog.mikemccandless.com
>>>
>>> On Tue, Jan 22, 2013 at 8:20 AM, Cheng <zhoucheng2008@gmail.com> wrote:
>>> > Hi,
>>> >
>>> > I run a Lucene application on Tomcat. The app will try to open a Linux
>>> > directory, and sometime returns CorruptIndexException error.
>>> >
>>> > Shortly after I restart Tomcat (nothing else changes), the app can be run
>>> > on the fly. I am using the following statements to open a directory:
>>> >
>>> >
>>> >     try {
>>> >       searcher = new IndexSearcher(IndexReader.open(new
>>> NIOFSDirectory(new
>>> > File("/home/user/"+ type))));
>>> >     } catch (IOException e) {
>>> >       throw new Exception("[" + type + "] Cannot open index folder...");
>>> >     }
>>> >
>>> > I would like to know how to tackle this problem.
>>> >
>>> > Many thanks!
>>>
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>>>
>
>
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