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From "Shalin Shekhar Mangar (JIRA)" <>
Subject [jira] [Created] (SOLR-8777) Duplicate Solr process can cripple a running process
Date Wed, 02 Mar 2016 17:04:18 GMT
Shalin Shekhar Mangar created SOLR-8777:

             Summary: Duplicate Solr process can cripple a running process
                 Key: SOLR-8777
             Project: Solr
          Issue Type: Bug
          Components: SolrCloud
    Affects Versions: 5.3.1
            Reporter: Shalin Shekhar Mangar

Thanks to [~mewmewball] for catching this one.

Accidentally executing the same instance of Solr twice causes the second start instance to
die with an "Address already in use", but not before deleting the first instance's live_node
entry, emitting "Found a previous node that still exists while trying to register a new live
node <node> - removing existing node to create another".

The second start instance dies and its ephemeral node is then removed, causing /live_nodes/<node>
to be empty since the first start instance's live_node was deleted by the second.

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