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search not showing any results after upgrading 4.0.b to 4.2.

Question asked by bisana on Nov 4, 2012
Latest reply on May 17, 2014 by mathias.lin
Hi All
I have been trying out migrating from community version 4.0.b to 4.2.b
I did the upgradation as follows
Installed the 4.2.b in with same path and database parameter
moved the alf_data of the 4.2.b to some other places
moved the 4.0.b 'alf_data' to the newly install 4.2.b directorty.
Then started  the new alfresco instance, alfresco started up with no error.
But when I do search or advanced search, it is not showing the results, the catalina.log shows this messages

Nov 04, 2012 10:27:05 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
   at org.alfresco.solr.query.AbstractQParser.getSearchParameters(AbstractQParser.java:119)
   at org.alfresco.solr.query.AlfrescoLuceneQParserPlugin$AlfrescoLuceneQParser.parse(AlfrescoLuceneQParserPlugin.java:96)
   at org.apache.solr.search.QParser.getQuery(QParser.java:131)
   at org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:89)
   at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:174)
   at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
   at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
   at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
   at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)

Nov 04, 2012 10:27:05 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
   at org.alfresco.solr.query.AbstractQParser.getSearchParameters(AbstractQParser.java:119)
   at org.alfresco.solr.query.AlfrescoLuceneQParserPlugin$AlfrescoLuceneQParser.parse(AlfrescoLuceneQParserPlugin.java:96)
   at org.apache.solr.search.QParser.getQuery(QParser.java:131)
   at org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:89)
   at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:174)
   at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
   at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
   at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
   at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)

2012-11-04 10:27:05,439  ERROR [extensions.webscripts.AbstractRuntime] [http-apr-8080-exec-9] Exception from executeScript - redirecting to status template error: 10040004 Wrapped Exception (with status template): 10040042 Failed to execute script 'classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js': 10040041 Failed to execute search: +PATH:"/app:company_home/st:sites//cm:*" +@cm\:modified:[2012\-10\-28T00\:00\:00.000 TO 2012\-11\-4T23\:59\:59.999] +@cm\:modifier:"admin" +TYPE:"cm:content" -TYPE:"cm:systemfolder" -TYPE:"fm:forums" -TYPE:"fm:forum" -TYPE:"fm:topic" -TYPE:"fm:post" +(TYPE:"content" OR TYPE:"app:filelink" OR TYPE:"folder")
org.springframework.extensions.webscripts.WebScriptException: 10040004 Wrapped Exception (with status template): 10040042 Failed to execute script 'classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js': 10040041 Failed to execute search: +PATH:"/app:company_home/st:sites//cm:*" +@cm\:modified:[2012\-10\-28T00\:00\:00.000 TO 2012\-11\-4T23\:59\:59.999] +@cm\:modifier:"admin" +TYPE:"cm:content" -TYPE:"cm:systemfolder" -TYPE:"fm:forums" -TYPE:"fm:forum" -TYPE:"fm:topic" -TYPE:"fm:post" +(TYPE:"content" OR TYPE:"app:filelink" OR TYPE:"folder")
   at org.springframework.extensions.webscripts.AbstractWebScript.createStatusException(AbstractWebScript.java:1067)
   at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:171)
   at org.alfresco.repo.web.scripts.RepositoryContainer$3.execute(RepositoryContainer.java:422)
   at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:433)
   at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:491)
   at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:529)
   at org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:345)
   at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:377)
   at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)
   at org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:118)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
   at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1813)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)
Caused by: org.alfresco.scripts.ScriptException: 10040042 Failed to execute script 'classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js': 10040041 Failed to execute search: +PATH:"/app:company_home/st:sites//cm:*" +@cm\:modified:[2012\-10\-28T00\:00\:00.000 TO 2012\-11\-4T23\:59\:59.999] +@cm\:modifier:"admin" +TYPE:"cm:content" -TYPE:"cm:systemfolder" -TYPE:"fm:forums" -TYPE:"fm:forum" -TYPE:"fm:topic" -TYPE:"fm:post" +(TYPE:"content" OR TYPE:"app:filelink" OR TYPE:"folder")
   at org.alfresco.repo.jscript.RhinoScriptProcessor.execute(RhinoScriptProcessor.java:202)
   at org.alfresco.repo.processor.ScriptServiceImpl.execute(ScriptServiceImpl.java:212)
   at org.alfresco.repo.processor.ScriptServiceImpl.executeScript(ScriptServiceImpl.java:174)
   at org.alfresco.repo.web.scripts.RepositoryScriptProcessor.executeScript(RepositoryScriptProcessor.java:102)
   at org.springframework.extensions.webscripts.AbstractWebScript.executeScript(AbstractWebScript.java:1305)
   at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:86)
   … 28 more
Caused by: org.alfresco.error.AlfrescoRuntimeException: 10040041 Failed to execute search: +PATH:"/app:company_home/st:sites//cm:*" +@cm\:modified:[2012\-10\-28T00\:00\:00.000 TO 2012\-11\-4T23\:59\:59.999] +@cm\:modifier:"admin" +TYPE:"cm:content" -TYPE:"cm:systemfolder" -TYPE:"fm:forums" -TYPE:"fm:forum" -TYPE:"fm:topic" -TYPE:"fm:post" +(TYPE:"content" OR TYPE:"app:filelink" OR TYPE:"folder")
   at org.alfresco.repo.jscript.Search.query(Search.java:823)
   at org.alfresco.repo.jscript.Search.query(Search.java:686)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:155)
   at org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:243)
   at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:66)
   at org.mozilla.javascript.gen.c6._c20(file:/opt/alfresco/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js:1219)
   at org.mozilla.javascript.gen.c6.call(file:/opt/alfresco/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js)
   at org.mozilla.javascript.optimizer.OptRuntime.callName0(OptRuntime.java:108)
   at org.mozilla.javascript.gen.c6._c0(file:/opt/alfresco/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js:1456)
   at org.mozilla.javascript.gen.c6.call(file:/opt/alfresco/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js)
   at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:393)
   at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:2834)
   at org.mozilla.javascript.gen.c6.call(file:/opt/alfresco/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js)
   at org.mozilla.javascript.gen.c6.exec(file:/opt/alfresco/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/doclist.get.js)
   at org.alfresco.repo.jscript.RhinoScriptProcessor.executeScriptImpl(RhinoScriptProcessor.java:492)
   at org.alfresco.repo.jscript.RhinoScriptProcessor.execute(RhinoScriptProcessor.java:198)
   … 33 more
Caused by: org.alfresco.repo.search.impl.lucene.LuceneQueryParserException: 10040040 Request failed 500 /solr/alfresco/alfresco?wt=json&fl=DBID%2Cscore&rows=500&df=TEXT&start=0&locale=en_US&sort=%40cm%3Amodified+desc&fq=%7B%21afts%7DAUTHORITY_FILTER_FROM_JSON&fq=%7B%21afts%7DTENANT_FILTER_FROM_JSON
   at org.alfresco.repo.search.impl.solr.SolrQueryHTTPClient.executeQuery(SolrQueryHTTPClient.java:398)
   at org.alfresco.repo.search.impl.solr.SolrQueryLanguage.executeQuery(SolrQueryLanguage.java:49)
   at org.alfresco.repo.search.impl.solr.SolrSearchService.query(SolrSearchService.java:348)
   at org.alfresco.repo.search.SearcherComponent.query(SearcherComponent.java:78)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.alfresco.repo.management.subsystems.SubsystemProxyFactory$1.invoke(SubsystemProxyFactory.java:72)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy10.query(Unknown Source)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
   at net.sf.acegisecurity.intercept.method.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:80)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:46)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:159)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy10.query(Unknown Source)
   at org.alfresco.repo.jscript.Search.query(Search.java:803)
   … 52 more
2012-11-04 10:27:22,562  INFO  [web.scripts.MimetypesQuery] [http-apr-8080-exec-6] Successfully retrieved mimetypes information from Alfresco.
Nov 04, 2012 10:27:32 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
   at org.alfresco.solr.query.AbstractQParser.getSearchParameters(AbstractQParser.java:119)
   at org.alfresco.solr.query.AlfrescoFTSQParserPlugin$AlfrescoFTSQParser.parse(AlfrescoFTSQParserPlugin.java:75)
   at org.apache.solr.search.QParser.getQuery(QParser.java:131)
   at org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:89)
   at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:174)
   at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
   at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
   at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
   at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)

Nov 04, 2012 10:27:32 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
   at org.alfresco.solr.query.AbstractQParser.getSearchParameters(AbstractQParser.java:119)
   at org.alfresco.solr.query.AlfrescoFTSQParserPlugin$AlfrescoFTSQParser.parse(AlfrescoFTSQParserPlugin.java:75)
   at org.apache.solr.search.QParser.getQuery(QParser.java:131)
   at org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:89)
   at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:174)
   at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
   at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
   at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
   at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)


Please do guide me in understanding what made the search go wrong

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