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
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