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From "ali koyuncu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENENET-534) IndexWriter deletes all files in my global index folder
Date Mon, 20 Jan 2014 16:14:19 GMT

    [ https://issues.apache.org/jira/browse/LUCENENET-534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13876543#comment-13876543
] 

ali koyuncu commented on LUCENENET-534:
---------------------------------------

public IndexWriter iw_global { get; set; }
	...
	#region Open IndexWriter
	this.iw_global = new IndexWriter(lcneFolder, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30),
!fiAktifYes.Exists, IndexWriter.MaxFieldLength.UNLIMITED);
    this.iw_global.Commit();
    this.iw_global.UseCompoundFile = true;
	#endregion 
	
	
	RAMDirectory idx = new RAMDirectory();
	IndexWriter iw = new IndexWriter(idx, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30),
true, IndexWriter.MaxFieldLength.UNLIMITED);
	iw.UseCompoundFile = true;
	foreach (var link in linkList)
    {
		iw.AddDocument(doc);
	}
	iw.Commit();
	this.iw_global.AddIndexesNoOptimize(idx);
    this.iw_global.Commit();
	
	#region unnecessary code to understand bug
	...
	#endregion 
	
	iw.Dispose();
      idx.Dispose();

> IndexWriter deletes all files in my global index folder
> -------------------------------------------------------
>
>                 Key: LUCENENET-534
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-534
>             Project: Lucene.Net
>          Issue Type: Bug
>          Components: .NET API
>            Reporter: ali koyuncu
>            Priority: Critical
>
> I process new data list in memory-directory. After that I commit memory-directory to
disk directrory.  After I commit global index writer,I see the files isn't combined.So when
I reopen the service,indexwriter deletes all files in global index folder. I traced codes
, 
> "deleter = new IndexFileDeleter(directory, deletionPolicy == null?new KeepOnlyLastCommitDeletionPolicy():deletionPolicy,
segmentInfos, infoStream, docWriter, synced);" in IndexWriter Init method,it deletes all file
here.
> I asked it on stackoverlow. http://stackoverflow.com/questions/20973121/lucene-net-indexwriter-bug?noredirect=1#comment31536841_20973121



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