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Posted to java-user@lucene.apache.org by Shivani Sawhney <sh...@netedgecomputing.com> on 2006/02/16 10:05:47 UTC
RE: It worked---NullPointerException while closing the index writer
Hi,
At least the re-indexing part worked....
I just removed the finally block and the NullPointerException was solved.:
if (indexwriter != null)
{
System.out.println("going to close index writer");
indexwriter.close();
}
} catch (IOException e)
{
e.printStackTrace();
throw new Error(e);
} finally
{
if (indexwriter != null)
{
indexwriter.close();
}
}
}
-----Original Message-----
From: Shivani Sawhney [mailto:shivani@netedgecomputing.com]
Sent: 16 February, 2006 2:30 PM
To: java-user@lucene.apache.org
Subject: NullPointerException while closing the index writer
Hi,
I couldn't fix the problem while creating an index, so I decided to clean
all the indexes from the server and try to re-index all my documents.
I am getting a NullPointerException, again while closing the index writer. I
don't know what I can be doing wrong while simply creating a fresh index.
The error log is as follows:
2006-02-16 14:19:05,368 INFO [STDOUT] after adding document...indexwriter
is org.apache.lucene.index.IndexWriter@157566d
2006-02-16 14:19:05,368 INFO [STDOUT] Index written...
2006-02-16 14:19:05,368 INFO [STDOUT] before closing, index writer is
org.apache.lucene.index.IndexWriter@157566d
2006-02-16 14:19:05,368 INFO [STDOUT] going to close index writer
2006-02-16 14:19:05,806 WARN [org.apache.struts.action.RequestProcessor]
Unhandled Exception thrown: class java.lang.NullPointerException
2006-02-16 14:19:05,806 ERROR [org.jboss.web.localhost.Engine]
StandardWrapperValve[action]: Servlet.service() for servlet action threw
exception
java.lang.NullPointerException
at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:195)
at rd.admin.NewIndexer.indexTextFile(NewIndexer.java:126)
at rd.admin.AddResume.indexOneRow(AddResume.java:38)
at rd.admin.LuceneGateway.buildMapAndIndex(LuceneGateway.java:46)
at
rd.admin.CreateIndexesFromCandidateTableAction.npExecute(CreateIndexesFromCa
ndidateTableAction.java:152)
at np.core.BaseNPAction.execute(BaseNPAction.java:116)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProces
sor.java:421)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
Any help will be much appreciated.
Regards,
Shivani
-----Original Message-----
From: Shivani Sawhney [mailto:shivani@netedgecomputing.com]
Sent: 16 February, 2006 11:03 AM
To: java-user@lucene.apache.org
Subject: RE: ArrayIndexOutOfBoundsException while closing the index writer
Hi Otis,
Thanks for such a quick reply. I tried using finally, but it didn't help.
I guess if I explain the integration of lucene with my app in little detail
then you probably can help me better.
I allow users to upload documents, which are then indexed, and search on
them. Now I am getting this error when I am trying to index the document and
particularly while closing the index writer.
If we look closely at the error log, it's giving an error at
org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:135)
i.e., when lucene tries to get something by the field name,
return (FieldInfo) byName.get(fieldName);
, now what beats me is that, indexing on fields has already been done by the
time we want to close the index writer, so how come I don't get an error
while indexing, what goes wrong when I am trying to close the index writer.
Please see if you can help me with this....
Thanks in advance.
The code used for indexing is as follows:
public void indexFile(IndexWriter indexwriter, File resumeFile)
{
Document document = new Document();
try
{
File afile[] = indexDirFile.listFiles();
boolean flag = false;
if (afile.length <= 0)
flag = true;
indexwriter = new IndexWriter(indexDirFile, new
StandardAnalyzer(), flag);
try
{
document.add(Field.Text(IndexerColumns.contents, new
FileReader(resumeFile)));
} catch (FileNotFoundException e)
{
e.printStackTrace();
throw new MyRuntimeException(e.getMessage(), e);
}
document.add(Field.Keyword( IndexerColumns.id,
String.valueOf(mapLuceneParams.get(IndexerColumns.id)) ));
for (int i = 0; i < this.columnInfos.length; i++)
{
ColumnInfo columnInfo = columnInfos[i];
String value =
String.valueOf(mapLuceneParams.get(columnInfo.columnName));
if (value != null)
{
value = value.trim();
if (value.length() != 0)
{
if (columnInfo.istokenized)
{
document.add(Field.Text(columnInfo.columnName,
value));
} else
{
document.add(Field.Keyword(columnInfo.columnName,
value));
}
}
}
}
document.add(Field.Keyword(IndexerColumns.filePath,
String.valueOf(mapLuceneParams.get(IndexerColumns.filePath))));
try
{
indexwriter.addDocument(document);
} catch (IOException e)
{
e.printStackTrace();
throw new MyRuntimeException(e.getMessage(), e);
}
indexwriter.close();
} catch (IOException e)
{
e.printStackTrace();
throw new Error(e);
}finally
{
if(indexwriter != null)
{
indexwriter.close();
}
}
Regards,
Shivani
-----Original Message-----
From: Otis Gospodnetic [mailto:otis_gospodnetic@yahoo.com]
Sent: 16 February, 2006 10:16 AM
To: java-user@lucene.apache.org
Subject: Re: ArrayIndexOutOfBoundsException while closing the index writer
Who knows what else the app is doing.
However, I can quickly suggest that you add a finally block and close your
writer in there if writer != null.
Otis
----- Original Message ----
From: Shivani Sawhney <sh...@netedgecomputing.com>
To: java-user@lucene.apache.org
Sent: Wednesday, February 15, 2006 11:31:12 PM
Subject: ArrayIndexOutOfBoundsException while closing the index writer
Hi,
I have used Lucene in my application and am just indexing and searching on
some documents. The code that indexes the documents was working fine till
yesterday and suddenly stopped working.
I get an error when I am trying to close the index writer. The code is as
follows:
.
IndexWriter indexwriter = new IndexWriter(indexDirFile, new
StandardAnalyzer(), flag);
indexFile(indexwriter, resumeFile);
indexwriter.close(); //causing errors
} catch (IOException e)
{
e.printStackTrace();
throw new Error(e);
}
.
And the error log is as follows:
2006-02-15 18:47:48,748 WARN [org.apache.struts.action.RequestProcessor]
Unhandled Exception thrown: class java.lang.ArrayIndexOutOfBoundsException
2006-02-15 18:47:48,748 ERROR [org.jboss.web.localhost.Engine]
StandardWrapperValve[action]: Servlet.service() for servlet action threw
exception
java.lang.ArrayIndexOutOfBoundsException: 105 >= 25
at java.util.Vector.elementAt(Vector.java:432)
at
org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:135)
at
org.apache.lucene.index.FieldsReader.doc(FieldsReader.java:103)
at
org.apache.lucene.index.SegmentReader.document(SegmentReader.java:237)
at
org.apache.lucene.index.SegmentMerger.mergeFields(SegmentMerger.java:169)
at
org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:97)
at
org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:425)
at
org.apache.lucene.index.IndexWriter.flushRamSegments(IndexWriter.java:373)
at
org.apache.lucene.index.IndexWriter.close(IndexWriter.java:193)
at rd.admin.NewIndexer.indexTextFile(NewIndexer.java:108)
at rd.admin.AddResume.indexOneRow(AddResume.java:38)
at
rd.admin.LuceneGateway.buildMapAndIndex(LuceneGateway.java:46)
at rd.admin.LuceneGateway.indexResume(LuceneGateway.java:30)
at
rd.admin.UploadResumeAgainstRequisition.npExecute(UploadResumeAgainstRequisi
tion.java:106)
at np.core.BaseNPAction.execute(BaseNPAction.java:116)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProces
sor.java:421)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.ja
va:75)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:186)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:152)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalVal
ve.java:66)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssoci
ationValve.java:153)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:540)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:
54)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
at java.lang.Thread.run(Thread.java:595)
Can someone please suggest a solution or even the cause of the problem?
Thanks in advance.
Regards,
Shivani
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