[jira] [Commented] (LUCENENET-534) IndexWriter deletes all files in my global index folder

[ali koyuncu (JIRA)]

    [ 
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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