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From Floyd Wu <floyd...@gmail.com>
Subject Re: Luke-0.9.x cannot open index files
Date Mon, 27 Apr 2009 05:56:13 GMT
Hi Digy,

Will this bug affects the normal use of Lucene.Net?
Or this bug will only existed in Luke? It seems that my system work fine
with index contained chinese as field name.
Are there any potential problem if continue using chinese as field name?
Thanks

Floyd



2009/4/25 Digy <digydigy@gmail.com>

> I think, I found the bug. Here is the dump of the original index:
>
>
>
> NUMDOCS: 3
>
> MAXDOCS: 7
>
> DELETED(0): True
>
> DELETED(1): True
>
> DELETED(2): False
>
> DELETED(3): True
>
> DELETED(4): True
>
> DELETED(5): False
>
> DELETED(6): False
>
> TERM(0): _l_activationdatetime:552877632000000000
>
> TERM(1): _l_author:admin
>
> TERM(2): _l_bookmarkcount:0
>
> TERM(3): _l_clix:0
>
> TERM(4): _l_clix:1
>
> TERM(5): _l_creationdatetime:633427319866778624
>
> TERM(6): _l_creationdatetime:633427324812559872
>
> TERM(7): _l_creationdatetime:633760609388437504
>
> TERM(8): _l_deactivationdatetime:155377824000000000
>
> TERM(9): _l_deactivationdatetime:155378687999969792
>
> TERM(10): _l_document_class:1
>
> TERM(11): _l_document_class:98305
>
> TERM(12): _l_folder:163841
>
> TERM(13): _l_folder:163843
>
> TERM(14): _l_hidden:aaa
>
> TERM(15): _l_last_modified_datetime:633427319866778624
>
> TERM(16): _l_last_modified_datetime:633427324812559872
>
> TERM(17): _l_last_modified_datetime:633760609388437504
>
> TERM(18): _l_meta:abc
>
> TERM(19): _l_meta:abc.ppt
>
> TERM(20): _l_meta:ddx
>
> TERM(21): _l_meta:doc
>
> TERM(22): _l_meta:xyz
>
> TERM(23): _l_meta:名
>
> TERM(24): _l_meta:問
>
> TERM(25): _l_meta:有
>
> TERM(26): _l_meta:檔
>
> TERM(27): _l_meta:測
>
> TERM(28): _l_meta:看
>
> TERM(29): _l_meta:試
>
> TERM(30): _l_meta:還
>
> TERM(31): _l_meta:題
>
> TERM(32): _l_parentdocument:196609
>
> TERM(33): _l_parentdocument:327681
>
> TERM(34): _l_parentdocument:557057
>
> TERM(35): _l_ratingavg:0
>
> TERM(36): _l_ratingmedian:0
>
> TERM(37): _l_ratingstdev:0
>
> TERM(38): _l_ratingsum:0
>
> TERM(39): _l_read_permission:admin
>
> TERM(40): _l_rootdocument:196609
>
> TERM(41): _l_rootdocument:327681
>
> TERM(42): _l_rootdocument:557057
>
> TERM(43): _l_state:0
>
> TERM(44): _l_state:2
>
> TERM(45): _l_summary:2123456789
>
> TERM(46): _l_summary:abc
>
> TERM(47): _l_summary:abc.ppt
>
> TERM(48): _l_summary:ddx
>
> TERM(49): _l_summary:doc
>
> TERM(50): _l_summary:xyz
>
> TERM(51): _l_summary:有
>
> TERM(52): _l_summary:還
>
> TERM(53): _l_title:123
>
> TERM(54): _l_title:class
>
> TERM(55): _l_title:default
>
> TERM(56): _l_title:document
>
> TERM(57): _l_title:名
>
> TERM(58): _l_title:問
>
> TERM(59): _l_title:檔
>
> TERM(60): _l_title:測
>
> TERM(61): _l_title:看
>
> TERM(62): _l_title:試
>
> TERM(63): _l_title:題
>
> TERM(64): _l_unique_key:196609
>
> TERM(65): _l_unique_key:327681
>
> TERM(66): _l_unique_key:557057
>
> TERM(67): _l_version:1
>
> TERM(68): 作者:123
>
> TERM(69): 摘要:2123456789
>
> TERM(70): 摘要:abc
>
> TERM(71): 摘要:abc.ppt
>
> TERM(72): 摘要:ddx
>
> TERM(73): 摘要:doc
>
> TERM(74): 摘要:xyz
>
> TERM(75): 摘要:有
>
> TERM(76): 摘要:還
>
> TERM(77): 標題:123
>
> TERM(78): 標題:class
>
> TERM(79): 標題:default
>
> TERM(80): 標題:document
>
> TERM(81): 標題:名
>
> TERM(82): 標題:問
>
> TERM(83): 標題:檔
>
> TERM(84): 標題:測
>
> TERM(85): 標題:看
>
> TERM(86): 標題:試
>
> TERM(87): 標題:題
>
> TERM(88): 關鍵詞:123
>
>
>
>
>
>
>
> And here is a sample code: read docs from original index and then write to
> an new one.
>
>
>
> void CreateNewIndex(string OrgIndex)
>
>        {
>
>            IndexReader reader = IndexReader.Open(OrgIndex);
>
>            IndexWriter writer = new IndexWriter("Floyd", new
> Lucene.Net.Analysis.WhitespaceAnalyzer(),true);
>
>
>
>            for (int i = 0; i < reader.MaxDoc(); i++)
>
>            {
>
>                if (reader.IsDeleted(i) == true) continue;
>
>
>
>                Lucene.Net.Documents.Document orgDoc =  reader.Document(i);
>
>                System.Collections.IList fields = orgDoc.GetFields();
>
>
>
>                Lucene.Net.Documents.Document newDoc = new Document();
>
>                foreach (Lucene.Net.Documents.Field field in fields)
>
>                {
>
>                    Lucene.Net.Documents.Field newField = new Field(
>
>                        System.Convert.ToBase64String(
> System.Text.Encoding.UTF8.GetBytes(field.Name())), //ç
>
>                        //field.Name(), //ç
>
>                        field.StringValue(),
>
>                        field.IsStored() ?
> Lucene.Net.Documents.Field.Store.YES : Lucene.Net.Documents.Field.Store.NO<http://lucene.net.documents.field.store.no/>
> ,
>
>                        field.IsTokenized() ?
> Lucene.Net.Documents.Field.Index.TOKENIZED :
> Lucene.Net.Documents.Field.Index.UN_TOKENIZED);
>
>
>
>                    newDoc.Add(newField);
>
>                }
>
>                writer.AddDocument(newDoc);
>
>            }
>
>
>
>            writer.Close();
>
>            reader.Close();
>
>        }
>
>
>
>
>
> If some field names are chinese, then Luke returns “read past EOF”. But if
> those field names are replaced with non-chinese names, then it works.
>
>
>
> DIGY
>
>
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: Granroth, Neal V. [mailto:neal.granroth@thermofisher.com]
> Sent: Friday, April 24, 2009 8:53 PM
> To: lucene-net-dev@incubator.apache.org
>  Subject: Luke-0.9.x cannot open index files
>
>
>
>
>
> Digy,
>
>
>
> Some additional information from the discussion on the lucene-net-user list
> with Floyd Wu.
>
>
>
>
>
> I ran some further tests using Java Lucene 2.3.2 and JDK 1.5.
>
>
>
> The Java equivalents of the two small test applications I use to inspect an
> index and compact it, function identically to the .NET versions (that were
> built with VS2005 and Lucene.NET 2.3.1).
>
>
>
> That Luke cannot open the index appears to be a problem within Luke.
>
> Even if Floyd's index contains some odd entries, Java Lucene 2.3.2 does not
> flag the index as corrupt; and both the Java and .NET versions report the
> same index content before and after the optimize operation.
>
>
>
>
>
> -- Neal
>
>
>
> **************************************************************
>
> Neal Granroth
>
> Software Engineer, Molecular Spectroscopy
>
> Thermo Fisher Scientific
>
> 5225 Verona Road, Madison, WI 53711
>
>
>
> neal.granroth@thermofisher.com
>
> Tel: 608-276-5645
>
> Fax: 608-276-6328
>
>
>
> www.thermofisher.com
>
>
>
> WORLDWIDE CONFIDENTIALITY NOTE: Dissemination, distribution or copying of
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>
>
>
> -----Original Message-----
>
> From: Digy (JIRA) [mailto:jira@apache.org]
>
> Sent: Wednesday, April 08, 2009 6:28 PM
>
> To: lucene-net-dev@incubator.apache.org
>
> Subject: [jira] Commented: (LUCENENET-169) Changes to make Lucene.NET
> compatible with ASP.NET <http://asp.net/> Medium Trust Level, in hosting
> environments (like GoDaddy...)
>
>
>
>
>
>    [
> https://issues.apache.org/jira/browse/LUCENENET-169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12697335#action_12697335]
>
>
>
> Digy commented on LUCENENET-169:
>
> --------------------------------
>
>
>
> Although you can overcome all of them somehow;
>
>
>
> * controlling the the lifetime of IndexWriter/IndexReader in a naturally
> manner,
>
> * reopening the IndexReader only when needed using (for ex)
> FileSystemWatcher,
>
> * providing a separation between data & bussiness layer,
>
> * providing other apps an interface that may want to write its own user
> interface,
>
> * accessing a single search service from different web apps/from load
> balanced web servers
>
> * controlling the lifetime of searching/indexing code (without being
> effected by the restart of the IIS processes automatically when some memory
> limit is exceeded (for ex.) )
>
> * Ability to access some system resources that can be restricted by IIS
>
> etc.
>
> make me think a separete search service is a better idea.But at last, it is
> a design decision of you.
>
> (Think, A WebApp+Solr in Java world)
>
>
>
>
>
> DIGY
>
>
>
> > Changes to make Lucene.NET compatible with ASP.NET <http://asp.net/> Medium
Trust Level, in hosting environments (like GoDaddy...)
>
> >
> -----------------------------------------------------------------------------------------------------------------
>
> >
>
> >                 Key: LUCENENET-169
>
> >                 URL: https://issues.apache.org/jira/browse/LUCENENET-169
>
> >             Project: Lucene.Net
>
> >          Issue Type: Improvement
>
> >         Environment: ASP.NET <http://asp.net/>
>
> >            Reporter: Corey Trager
>
> >         Attachments: FSDirectory.patch
>
> >
>
> >
>
> > Microsoft has a configuration file for shared hosting for what they call
> "Medium Trust".   There are a couple places in FSDirectory.cs  that violate
> the restrictions of Medium Trust, but I coded workarounds, shown below.
>
> > #1)
>
> > // Corey Trager, Oct 2008: Commented call to GetTempPath to workaround
> permission restrictions at shared host.
>
> > // LOCK_DIR isn't used anyway.
>
> > public static readonly System.String LOCK_DIR = null; //
> SupportClass.AppSettings.Get("Lucene.Net.lockDir",
> System.IO.Path.GetTempPath());
>
> > #2)
>
> >               /// <summary>Returns an array of strings, one for each
> Lucene index file in the directory. </summary>
>
> >               public override System.String[] List()
>
> >               {
>
> > /* Changes by Corey Trager, Oct 2008, to workaround permission
> restrictions at shared host */
>
> >                System.IO.DirectoryInfo dir = new
> System.IO.DirectoryInfo(directory.FullName);
>
> >               System.IO.FileInfo[] files = dir.GetFiles();
>
> >                 string[] list = new string[files.Length];
>
> >                 for (int i = 0; i < files.Length; i++)
>
> >                 {
>
> >                     list[i] = files[i].Name;
>
> >                 }
>
> >                 return list;
>
> > /* end of changes */
>
> > //            System.String[] files =
> SupportClass.FileSupport.GetLuceneIndexFiles(directory.FullName,
> IndexFileNameFilter.GetFilter());
>
> > //            for (int i = 0; i < files.Length; i++)
>
> > //            {
>
> > //                System.IO.FileInfo fi = new
> System.IO.FileInfo(files[i]);
>
> > //                files[i] = fi.Name;
>
> > //            }
>
> > //                      return files;
>
> >               }
>
>
>
> --
>
> This message is automatically generated by JIRA.
>
> -
>
> You can reply to this email to add a comment to the issue online.
>
>

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