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From Pulkit Singhal <pulkitsing...@gmail.com>
Subject Works on Windows, crashes on Linux
Date Mon, 07 Feb 2011 17:55:49 GMT
Hello Folks,

I'm using Lucene 3.0, my code runs fine on Windows but when I test it
on Linux, I run into the following stack trace:

java.io.FileNotFoundException:
/opt/apache/tomcat/webapps/myapp/luceneData/backend_IP/en_US/_1.fdt
(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.SimpleFSDirectory$SimpleFSIndexOutput.<init>(SimpleFSDirectory.java:180)
        at org.apache.lucene.store.NIOFSDirectory.createOutput(NIOFSDirectory.java:74)
        at org.apache.lucene.index.FieldsWriter.<init>(FieldsWriter.java:65)
        at org.apache.lucene.index.StoredFieldsWriter.initFieldsWriter(StoredFieldsWriter.java:66)
        at org.apache.lucene.index.StoredFieldsWriter.finishDocument(StoredFieldsWriter.java:144)
        at org.apache.lucene.index.StoredFieldsWriter$PerDoc.finish(StoredFieldsWriter.java:193)
        at org.apache.lucene.index.DocumentsWriter$WaitQueue.writeDocument(DocumentsWriter.java:1443)
        at org.apache.lucene.index.DocumentsWriter$WaitQueue.add(DocumentsWriter.java:1462)
        at org.apache.lucene.index.DocumentsWriter.finishDocument(DocumentsWriter.java:1082)
        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:776)
        at org.apache.lucene.index.DocumentsWriter.addDocument(DocumentsWriter.java:751)
        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1928)

Things I tried:
1) At first I thought that it had something to do with permissions but
the permissions on the directory where all my indexes are nested and
stored is 755 so I don't see how that could be an issue.
2) Then I realized that l was using Directory directory =
FSDirectory.open(dir) to create the directory that I passed to the
IndexWriter ... and the value of my dir was
...luceneData/backend_IP/en_US/ ... now the two directories
backend_IP/en_US are really placeholders ... the real names are known
to me just before I call FSDirectory.open() ... so I thought that the
problem maybe that in Windows the backend_IP/en_US directories may be
getting created auto-magically by the FSDirectory.open()
implementation ... but in Linux I need to create them manually before
calling FSDirectory.open() ... so I tried that but that didn't help
either.

Now I'm out of clues.

Anyone have any advice?

- Pulkit

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