[jira] [Created] (SOLR-11361) After Restarting Solr 6.6.1 Seems to cause Error if Application is Reading/Writing?

["Richard Rominger (JIRA)" <ji...@apache.org>]

Richard Rominger created SOLR-11361:
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             Summary: After Restarting Solr 6.6.1 Seems to cause Error if Application is Reading/Writing?
                 Key: SOLR-11361
                 URL: https://issues.apache.org/jira/browse/SOLR-11361
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 6.6.1
         Environment: Windows 10 VM
            Reporter: Richard Rominger


I have just updated from Solr 6.2.1 to 6.6.1.  I put into place a fresh 6.6.1 and mounted our Core (umslogs).  This loaded perfectly fine on port 8181 and our application is able to write/read data.

The problem started when I restart Solr 6.6.1 and the below error appeared after Solr 6.6.1 came up accessible via the web page. 
 	
*HttpSolrCall
null:org.apache.solr.core.SolrCoreInitializationException: SolrCore 'umslogs' is not available due to init failure: null *

Next my testing lead me to start up Solr on port 8282 that no application is connecting/reading/writing to.  On this test umslogs core loads is perfectly fine after erroring above.

Next my testing lead me to close +our application+ that writes/reads to Solr 8181umslogs core and shutdown Solr 8282 umslogs core.  Then  I restarted  Solr back on Poret 8181 and the umslogs core loads properly and our application that that writes/reads to Solr 8181 is once again operational.

Our application has used Solr 4.10.x, then Solr 6.2.x okay.  Then again I do not doubt that I might have done something wrong with the 6.6.1 upgrade that is causing the above behavior 



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