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From Sérgio Araújo (JIRA) <j...@apache.org>
Subject [jira] Created: (LUCENENET-195) IndexWriter.Optimize(); return an exception
Date Mon, 12 Oct 2009 16:51:31 GMT
IndexWriter.Optimize(); return an exception
-------------------------------------------

                 Key: LUCENENET-195
                 URL: https://issues.apache.org/jira/browse/LUCENENET-195
             Project: Lucene.Net
          Issue Type: Bug
         Environment: Framework 1.1 .NET
            Reporter: Sérgio Araújo


We are using the Lucene search engine a couple of months, on the first approach seems a very
good and high-performance engine.

We are using the your "Lucene.net.dll"API version 2.0.0.4. 

We have an index with 20GB approximately, all hours are added news docs to index and a time
per day the optimization is done at 9 pm.

During a couple of days everything ran fine even a day that optimization process "writer.Optimize();"
return the following exception:

"Source array was not long enough. Check srcIndex and length, and the array´s lower bounds."

Here you can find some parts of my code:

Document doc; doc = null;
IndexWriter writer; writer = null;
writer = new IndexWriter(strArticleIndexFolder, new StandardAnalyzer(), isNew);

writer.SetMergeFactor(1000);
writer.SetMaxMergeDocs(10000);

foreach (ArticleIndexFull objArticleIndex in lstArticleIndexFull)
{
doc = new Document();
doc.Add(newField(O4kFreeSearchTag.ArticleLuceneId,objArticleIndex.ArticleIndexFullId.ToString(),
Field.Store.YES, Field.Index.TOKENIZED, Field.TermVector.YES));
doc.Add(newField(O4kFreeSearchTag.ArticleId,objArticleIndex.ArticleId.ToString(),Field.Store.YES,
Field.Index.TOKENIZED, Field.TermVector.YES));
doc.Add(newField(O4kFreeSearchTag.ProductionDate,FactoryBLL.ArticleIndex.ClearCharStream(AlphaNumeric.ConvertToString(objArticleIndex.ProductionDate.ToString("yyyyMMdd",System.Globalization.CultureInfo.GetCultureInfo("en-US")),String.Empty)),Field.Store.NO,
Field.Index.TOKENIZED, Field.TermVector.YES));
....

writer.AddDocument(doc);
}

if (System.DateTime.Now.Hour == 21)
{
writer.Optimize();
}
writer.Close();


If we migrate to last version available in this case the 2.4.3 my problem will be fixed?
Has my code any kind of problem?

We will appreciate your help.


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