IndexNotFoundException

[Ben Hood]

Hi,

I'm trying to upgrade from 3.0.2 to 3.2.0 and am running into the
following issue when trying to boot an IndexSearcher:

Exception in thread "main"
org.apache.lucene.index.IndexNotFoundException: no segments* file
found in 
org.apache.lucene.store.NIOFSDirectory@/tmp/804f7160-9023-11e0-9123-0022192d0d03
lockFactory=org.apache.lucene.store.NativeFSLockFactory@7a6d084b:
files: [write.lock]
        at 
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:711)
        at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:75)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:428)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:288)
        at org.apache.lucene.search.IndexSearcher.<init>(IndexSearcher.java:107)
        at 
net.lshift.diffa.kernel.util.IndexWriterTest.main(IndexWriterTest.java:21)

I've created a stripped down test case that reproduces the issue (see below).

Is there something I'm doing wrong here? I would have assumed that
after the IndexWriter constructor has returned, then the necessary
index segments would in the directory on disk, or is this operation
asynchronous?

Thanks for any help,

Cheers,

Ben

------

package net.lshift.diffa.kernel.util;

import com.eaio.uuid.UUID;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.util.Version;

import java.io.File;

public class IndexWriterTest {

  public static void main(String[] args) throws Exception {
    FSDirectory dir = FSDirectory.open(new File("/tmp/" + new
UUID().toString()));
    IndexWriterConfig config = new
IndexWriterConfig(Version.LUCENE_32, new
StandardAnalyzer(Version.LUCENE_32));
    config.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(dir, config);
    IndexSearcher searcher = new IndexSearcher(dir, true);
  }

}

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