Hello All,
I am new to Java Lucene Api. I am writing a heavy test for lucene java
api. The test is to write text data to disk and also create a lucene
index for it. Everytime, I write index file, I do the following:
org.apache.lucene.index.IndexWriter writer = new
org.apache.lucene.index.IndexWriter(indexDirectory, new
StandardAnalyzer(), createDb);
try {
writer.setMergeFactor(20);
writer.addDocument(FileDocument.Document(f));
writer.optimize();
}
catch(Exception e)
{
throw e;
}
Finally()
{
writer.close();
}
Questions:
1/Should I have a IndexWriter stay open or should I open/close it for
every write?
2/
I have the following error when do the optimize() call. Do I have to
make this call every time I write a file to lucene index?
Thanks for your help
Anh Ngo
[Thread-4] ERROR index - Indexed: Exception: Bad file descriptor
java.io.RandomAccessFile.seek(Native Method)
org.apache.lucene.store.FSIndexInput.readInternal(FSDirectory.java:444)
org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.
java:45)
org.apache.lucene.index.CompoundFileReader$CSIndexInput.readInternal(Com
poundFileReader.java:219)
org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput.jav
a:64)
org.apache.lucene.store.BufferedIndexInput.readByte(BufferedIndexInput.j
ava:33)
org.apache.lucene.store.IndexInput.readVInt(IndexInput.java:56)
org.apache.lucene.index.SegmentTermPositions.nextPosition(SegmentTermPos
itions.java:48)
org.apache.lucene.index.SegmentMerger.appendPostings(SegmentMerger.java:
356)
org.apache.lucene.index.SegmentMerger.mergeTermInfo(SegmentMerger.java:2
98)
org.apache.lucene.index.SegmentMerger.mergeTermInfos(SegmentMerger.java:
272)
org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:236)
org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:89)
org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:681)
org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:658)
org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:517)
-----Original Message-----
From: Doug Cutting [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 30, 2006 4:54 PM
To: [email protected]
Subject: Re: Lucene and Java 1.5
Robert Engels wrote:
> 1.5 has built in Logging support - eliminating the need for Jakarta
logging.
Logging was first added in Java 1.4.
> That is like saying Jarkarta Collections does not use JDK 1.5. No one
that
> develops NEW software uses Jakarta Collections - they use the
Collections
> support in the JDK.
But lots of folks do use log4j in favor of Java's built-in logging.
Commons Logging permits one to code to a generic logging API and let the
application configuration determine whether that's Java's logging, log4j
or something else.
Doug
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