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POException thrown when try to add documents to the lucene index continuously inside the for loop
 

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  1. POException thrown when try to add documents to the lucene index continuously inside the for loop
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    <p>I’m using “compass-2.2.0” to create a lucene index in MySql database table. This is part of my code to index documents, following Exception thrown when try to add documents to the lucene index continuously inside the for loop. Any workaround to overcome this error?</p> <p>My hosting server is WSo2 Stratoes tomcat based server and Wso2 Stratoes data service server. My program works fime in local tomcat/ mySql servers. </p> <p>This is the sample blog post that I have followed- <a href="http://mprabhat.wordpress.com/2012/08/13/create-lucene-index-in-database-using-jdbcdirectory/" rel="nofollow">http://mprabhat.wordpress.com/2012/08/13/create-lucene-index-in-database-using-jdbcdirectory/</a></p> <pre><code> private void addIndex(IndexWriter indexWriter) throws CorruptIndexException, IOException { try { for (int i = 0; i &lt; docNames.length; i++) { StringReader strRdElt = new StringReader(new DefaultTokenizer().processText(filesInText[i])); StringReader docId = new StringReader(Integer.toString(i)); Document doc = new Document(); doc.add(new Field("doccontent", strRdElt, Field.TermVector.YES)); doc.add(new Field("docid", docId, Field.TermVector.YES)); indexWriter.addDocument(doc); } // indexWriter.close(); } catch (Exception e) { e.printStackTrace(); } } </code></pre> <p>This is the new error i'm getting, the server that i'm using dosen't allow creating temp files. It's somehow creating temp files when trying to write the content in to the database. I debuged inside above loop, around 5 iterations it goes successfully then occurs the following error. any workaround to overcome this error ?</p> <pre><code>java.lang.SecurityException: Unable to create temporary file at java.io.File.checkAndCreate(File.java:1701) at java.io.File.createTempFile(File.java:1792) at java.io.File.createTempFile(File.java:1828) at org.apache.lucene.store.jdbc.index.FileJdbcIndexOutput.configure(File JdbcIndexOutput.java:46) at org.apache.lucene.store.jdbc.index.RAMAndFileJdbcIndexOutput.switchIf Needed(RAMAndFileJdbcIndexOutput.java:113) at org.apache.lucene.store.jdbc.index.RAMAndFileJdbcIndexOutput.writeByt es(RAMAndFileJdbcIndexOutput.java:73) at org.apache.lucene.store.DataOutput.writeBytes(DataOutput.java:43) at org.apache.lucene.store.RAMOutputStream.writeTo(RAMOutputStream.java: 65) at org.apache.lucene.index.TermVectorsTermsWriter.finishDocument(TermVec torsTermsWriter.java:170) at org.apache.lucene.index.TermVectorsTermsWriter$PerDoc.finish(TermVect orsTermsWriter.java:258) at org.apache.lucene.index.DocumentsWriter$WaitQueue.writeDocument(Docum entsWriter.java:1404) at org.apache.lucene.index.DocumentsWriter$WaitQueue.add(DocumentsWriter .java:1424) at org.apache.lucene.index.DocumentsWriter.finishDocument(DocumentsWrite r.java:1043) at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWrite r.java:772) at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:2060 ) at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:2034 ) at org.karsha.base.DocIndexer_test.addIndex(DocIndexer_test.java:168) at org.karsha.base.DocIndexer_test.indexToDB(DocIndexer_test.java:115) at org.karsha.base.DocIndexer_test.topKFiboTerms(DocIndexer_test.java:35 9) at org.karsha.controler.RecommondTermsServelet.doGet(RecommondTermsServe let.java:379) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274 ) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:271 ) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:3 06) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil. java:166) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:299) at org.apache.catalina.core.ApplicationFilterChain.access$000(Applicatio nFilterChain.java:57) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilt erChain.java:193) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilt erChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica torBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:98) at org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValv e.java:172) at org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.inv oke(CarbonStuckThreadDetectionValve.java:156) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java: 927) at org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(Ca rbonContextCreatorValve.java:52) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav a:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp 11Processor.java:1001) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process( AbstractProtocol.java:579) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoin t.java:1653) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec utor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor .java:908) at java.lang.Thread.run(Thread.java:619) </code></pre>
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