My bad, we don't use /tmp explicitly. We use /var/tmp/snapshot_timestamp
which is not deleted by OS when reboot.

--Yajun


Robert Engels wrote:
> 
> If your "automatic recycle" means a restart/reboot, the /tmp  
> directory is probably being cleared by the OS and you might have a  
> startup race condition.
> 
> On Jul 7, 2008, at 2:17 AM, Yajun Liu (JIRA) wrote:
> 
>> FileNotFoundException in
>> -------------------------
>>
>>                  Key: LUCENE-1328
>>                  URL: https://issues.apache.org/jira/browse/ 
>> LUCENE-1328
>>              Project: Lucene - Java
>>           Issue Type: Bug
>>           Components: Index
>>     Affects Versions: 2.1
>>          Environment: OS:  Linux version 2.6.9-67.0.1.ELsmp  
>> ([EMAIL PROTECTED]) (gcc version 3.4.6  
>> 20060404 (Red Hat 3.4.6-9)) #1 SMP Fri Nov 30 11:57:43 EST 2007
>>
>> We use solr 1.2 and the lucene is 2.1.( I don't think this problem  
>> has anything to do with solr.)
>>             Reporter: Yajun Liu
>>
>>
>> I had this problem for a while. here is how I used lucene index:
>>
>> 1) I don't use compound file.
>>
>> 2) I have a single process and a single thread to update index as  
>> index updater. The index is really small, the mergefactor is 10.
>> After index is updated, the same thread copies the index to a tmp  
>> directory, validate the index in the tmp directory by:
>>
>> IndexReader reader = IndexReader.open(tmp_directory);
>> reader.close();
>>
>> then rename the tmp directory to a snapshot_timestamp;
>>
>> 3) the snapshot_timestamp is rsyn to search nodes which DO NOT  
>> update index.
>>
>> 4) We automatically stop and start index updater and search nodes  
>> every midnight. (don't ask me why)
>>
>>
>> Here is what I observed:
>>
>> 1) Not always, sometimes when index updater is started during our  
>> automatic recycle, we got
>>
>> java.io.FileNotFoundException: /var/tmp/index/_gw.fnm (No such file  
>> or directory)
>>         at java.io.RandomAccessFile.open(Native Method)
>>         at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>>         at org.apache.lucene.store.FSDirectory$FSIndexInput 
>> $Descriptor.<init>(FSDirectory.java:501)
>>         at org.apache.lucene.store.FSDirectory$FSIndexInput.<init> 
>> (FSDirectory.java:526)
>>         at org.apache.lucene.store.FSDirectory.openInput 
>> (FSDirectory.java:440)
>>         at org.apache.lucene.index.FieldInfos.<init> 
>> (FieldInfos.java:57)
>>         at org.apache.lucene.index.SegmentReader.initialize 
>> (SegmentReader.java:176)
>>         at org.apache.lucene.index.SegmentReader.get 
>> (SegmentReader.java:157)
>>         at org.apache.lucene.index.SegmentReader.get 
>> (SegmentReader.java:130)
>>         at org.apache.lucene.index.IndexReader$1.doBody 
>> (IndexReader.java:205)
>>         at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run 
>> (SegmentInfos.java:610)
>>         at org.apache.lucene.index.IndexReader.open 
>> (IndexReader.java:184)
>>         at org.apache.lucene.index.IndexReader.open 
>> (IndexReader.java:157)
>>
>> Note each time, the missing file is different. When this happen,  
>> the program automatically tried to reopen the most recent THREE  
>> snapshots and we got the same exception for each snapshot.  
>> Remember, each of the snapshot was validated before it was copied.
>>
>> 2) The similar things happened on the search node: the same index  
>> which was opened OK during last night nodes recycle could not be  
>> opened due to the same exception. The search node does not update  
>> index.
>>
>> In my case, the index was "validated" before, and it became  
>> invalidate in a later time. It seems it happened only when we  
>> restart the application. When the exception happen, the file did  
>> not exist in the index.
>>
>> --Yajun
>>
>>
>> -- 
>> This message is automatically generated by JIRA.
>> -
>> You can reply to this email to add a comment to the issue online.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>> For additional commands, e-mail: [EMAIL PROTECTED]
>>
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
> 
> 
> 

-- 
View this message in context: 
http://www.nabble.com/-jira--Created%3A-%28LUCENE-1328%29-FileNotFoundException-in-tp18311277p18322404.html
Sent from the Lucene - Java Developer mailing list archive at Nabble.com.


---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]

Reply via email to