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Date: Fri, 2 Dec 2011 06:39:40 +0000 (UTC)
From: "tom liu (Created) (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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 <32399559.34058.1322807980509.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Created] (SOLR-2936) Error Logs of core.SolrCore's finalize
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Error Logs of core.SolrCore's finalize
--------------------------------------

                 Key: SOLR-2936
                 URL: https://issues.apache.org/jira/browse/SOLR-2936
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.0
         Environment: JDK1.6/CentOS
            Reporter: tom liu


the Error log is :
ERROR: core.SolrCore (SolrCore.java:finalize(797)) - REFCOUNT ERROR: unreferenced org.apache.solr.core.SolrCore@2f59f0d1 (seo0#seo0) has a reference count of 1

i think in EmbeddedSolrServer's request method, Line 127:
    // Extract the handler from the path or params
    SolrRequestHandler handler = core.getRequestHandler( path );
    if( handler == null ) {
      if( "/select".equals( path ) || "/select/".equalsIgnoreCase( path) ) {
        String qt = params.get( CommonParams.QT );
        handler = core.getRequestHandler( qt );
        if( handler == null ) {
          throw new SolrException( SolrException.ErrorCode.BAD_REQUEST, "unknown handler: "+qt);
        }
      }
when handler is null, and before throw SolrException, that must close the core:
    // Extract the handler from the path or params
    SolrRequestHandler handler = core.getRequestHandler( path );
    if( handler == null ) {
      if( "/select".equals( path ) || "/select/".equalsIgnoreCase( path) ) {
        String qt = params.get( CommonParams.QT );
        handler = core.getRequestHandler( qt );
        if( handler == null ) {
          core.close();
          throw new SolrException( SolrException.ErrorCode.BAD_REQUEST, "unknown handler: "+qt);
        }
      }


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