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From "YouPeng Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-5580) NPE when create a core with both explicite shard and coreNodeName
Date Fri, 27 Dec 2013 07:29:56 GMT
YouPeng Yang created SOLR-5580:
----------------------------------

             Summary: NPE when create a core with both explicite  shard and coreNodeName
                 Key: SOLR-5580
                 URL: https://issues.apache.org/jira/browse/SOLR-5580
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.6
         Environment: OS:Red Hat Enterprise Linux Server release 6.4 (Santiago)
Software:solr 4.6,
               jdk:OpenJDK Runtime Environment (rhel-2.3.4.1.el6_3-x86_64)
                    OpenJDK 64-Bit Server VM (build 23.2-b09, mixed mode)

            Reporter: YouPeng Yang


In class org.apache.solr.cloud.Overseer the Line 360:
---------------------------------------------------------------------
          if (sliceName !=null && collectionExists &&  !"true".equals(state.getCollection(collection).getStr("autoCreated")))
{
            Slice slice = state.getSlice(collection, sliceName);
            if (slice.getReplica(coreNodeName) == null) {
              log.info("core_deleted . Just return");
              return state;
            }
          }
---------------------------------------------------------------------
the slice needs to be checked null .because when create a new core with both explicite shard
and coreNodeName, the state.getSlice(collection, sliceName)  may return a null.So it needs
to be checked ,or there will be an NullpointException
---------------------------------------------------------------------
          if (sliceName !=null && collectionExists &&  !"true".equals(state.getCollection(collection).getStr("autoCreated")))
{
            Slice slice = state.getSlice(collection, sliceName);
            if (slice != null && slice.getReplica(coreNodeName) == null) {
              log.info("core_deleted . Just return");
              return state;
            }
          }
---------------------------------------------------------------------



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