NPE throws in ShardDoc's ShardFieldSortedHitQueue when Distributed Searching ----------------------------------------------------------------------------
Key: SOLR-2147 URL: https://issues.apache.org/jira/browse/SOLR-2147 Project: Solr Issue Type: Bug Affects Versions: 4.0 Environment: JDK1.6/Tomcat6 Reporter: tom liu when distributed searching use katta components(solr-1395), throws NPE: Oct 9, 2010 5:43:59 PM org.apache.solr.common.SolrException log SEVERE: java.lang.NullPointerException at org.apache.solr.handler.component.ShardFieldSortedHitQueue$1.compare(ShardDoc.java:210) at org.apache.solr.handler.component.ShardFieldSortedHitQueue.lessThan(ShardDoc.java:134) at org.apache.lucene.util.PriorityQueue.upHeap(PriorityQueue.java:221) at org.apache.lucene.util.PriorityQueue.add(PriorityQueue.java:130) at org.apache.lucene.util.PriorityQueue.insertWithOverflow(PriorityQueue.java:146) at org.apache.solr.handler.component.QueryComponent.mergeIds(QueryComponent.java:555) at org.apache.solr.handler.component.QueryComponent.handleResponses(QueryComponent.java:408) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:304) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) at org.apache.solr.katta.SolrKattaServer.request(SolrKattaServer.java:97) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953) i found that sharddoc.java 210 was : final float f1 = e1.score; final float f2 = e2.score; score field is Float type, it may be null. so should be changed as: final float f1 = e1.score==null?0.00f:e1.score; final float f2 = e2.score==null?0.00f:e2.score; -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org