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From "Sebastian Schaffert (JIRA)" <>
Subject [jira] [Created] (SOLR-3477) SOLR does not start up when no cores are defined
Date Tue, 22 May 2012 15:48:41 GMT
Sebastian Schaffert created SOLR-3477:

             Summary: SOLR does not start up when no cores are defined
                 Key: SOLR-3477
             Project: Solr
          Issue Type: Bug
          Components: search
    Affects Versions: 3.6
         Environment: All environments
            Reporter: Sebastian Schaffert
            Priority: Critical

Since version 3.6.0, Solr does not start up when no cores are defined in solr.xml. The problematic
code is in, lines 171-173.

org.apache.solr.common.SolrException: No cores were created, please check the logs for errors
	at org.apache.solr.core.CoreContainer$Initializer.initialize( ~[solr-core-3.6.0.jar:3.6.0
1310449 - rmuir - 2012-04-06 11:34:38]
	at org.apache.solr.servlet.SolrDispatchFilter.init( ~[solr-core-3.6.0.jar:3.6.0
1310449 - rmuir - 2012-04-06 11:34:38]

In our case, this is however a valid situation, because we create the cores programatically
by calling the webservices to register new cores. The server is initially started with no
cores defined, and depending on the configuration of our application, cores are then created

For the time being, we have to stick with version 3.5, which did not have this problem (or

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