topic Lucene search fails with NullPointerException in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/lucene-search-fails-with-nullpointerexception/m-p/137362#M96304 <HTML><HEAD></HEAD><BODY><SPAN>Dear list,</SPAN><BR /><BR /><SPAN>I am performing a Lucene search like this:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>TYPE:"kc:content" AND PATH:"/cm:generalclassifiable//cm:Foo//member" OR PATH:"/cm:generalclassifiable//cm:Bar//member"<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>This fails with the following exception:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>java.lang.NullPointerException<BR />Stack Trace:<BR /><BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.index.MultiTermDocs.doc(MultiReader.java:352)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.query.CachingTermPositions.doc(CachingTermPositions.java:116)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.query.LeafScorer.skipToMax(LeafScorer.java:457)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.query.LeafScorer.move(LeafScorer.java:498)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.query.LeafScorer.findNext(LeafScorer.java:434)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.query.LeafScorer.skipTo(LeafScorer.java:926)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.query.PathScorer.skipTo(PathScorer.java:194)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.BooleanScorer2$SingleMatchScorer.skipTo(BooleanScorer2.java:147)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.ReqOptSumScorer.score(ReqOptSumScorer.java:70)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.BooleanScorer2.score(BooleanScorer2.java:328)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.BooleanScorer2.score(BooleanScorer2.java:292)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:133)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:100)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.Hits.getMoreDocs(Hits.java:66)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.Hits.&lt;init&gt;(Hits.java:45)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.Searcher.search(Searcher.java:45)<BR />&nbsp;&nbsp;&nbsp; * org.apache.lucene.search.Searcher.search(Searcher.java:37)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.impl.lucene.ADMLuceneSearcherImpl.query(ADMLuceneSearcherImpl.java:318)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.search.SearcherComponent.query(SearcherComponent.java:85)<BR />&nbsp;&nbsp;&nbsp; * sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp; * sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<BR />&nbsp;&nbsp;&nbsp; * sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<BR />&nbsp;&nbsp;&nbsp; * java.lang.reflect.Method.invoke(Method.java:585)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:281)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:187)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:154)<BR />&nbsp;&nbsp;&nbsp; * net.sf.acegisecurity.intercept.method.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:80)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:49)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.audit.AuditComponentImpl.audit(AuditComponentImpl.java:241)<BR />&nbsp;&nbsp;&nbsp; * org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:69)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)<BR />&nbsp;&nbsp;&nbsp; * org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:210)<BR />&nbsp;&nbsp;&nbsp; * $Proxy16.query(Unknown Source)<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>However, if I move to </SPAN><A href="http://en.wikipedia.org/wiki/Disjunctive_normal_form" rel="nofollow noopener noreferrer">Disjunctive Normal Form</A><SPAN>, meaning:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>(TYPE:"kc:content" AND&nbsp; PATH:"/cm:generalclassifiable//cm:Foo//member") OR (TYPE:"kc:content" AND&nbsp; PATH:"/cm:generalclassifiable//cm:Bar//member")<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>the query succeeds. The bug can be reproduced in the Node Browser.</SPAN><BR /><BR /><SPAN>It looks like a Lucene bug.</SPAN><BR /><BR /><SPAN>In order to work around these </SPAN><A href="http://forums.alfresco.com/viewtopic.php?t=10066" rel="nofollow noopener noreferrer">Lucene issues</A><SPAN> with Boolean queries, is there another efficient way to perform searches on type and categories?</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Kaspar</SPAN></BODY></HTML> Thu, 27 Dec 2007 10:21:22 GMT hbf 2007-12-27T10:21:22Z Lucene search fails with NullPointerException https://connect.hyland.com/t5/alfresco-archive/lucene-search-fails-with-nullpointerexception/m-p/137362#M96304 Dear list,I am performing a Lucene search like this:TYPE:"kc:content" AND PATH:"/cm:generalclassifiable//cm:Foo//member" OR PATH:"/cm:generalclassifiable//cm:Bar//member"‍This fails with the following exception:java.lang.NullPointerExceptionStack Trace:&nbsp;&nbsp;&nbsp; * org.apache.lucene.index.MultiTermDocs.doc Thu, 27 Dec 2007 10:21:22 GMT https://connect.hyland.com/t5/alfresco-archive/lucene-search-fails-with-nullpointerexception/m-p/137362#M96304 hbf 2007-12-27T10:21:22Z Re: Lucene search fails with NullPointerException https://connect.hyland.com/t5/alfresco-archive/lucene-search-fails-with-nullpointerexception/m-p/137363#M96305 <HTML><HEAD></HEAD><BODY><SPAN>Here is a workaround:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>TYPE:"kc:content" AND (PATH:"/cm:generalclassifiable//cm:Foo//member" OR PATH:"/cm:generalclassifiable//cm:Bar//member")<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN></CODE></PRE></BODY></HTML> Thu, 27 Dec 2007 10:38:48 GMT https://connect.hyland.com/t5/alfresco-archive/lucene-search-fails-with-nullpointerexception/m-p/137363#M96305 hbf 2007-12-27T10:38:48Z