Shalin Shekhar Mangar created SOLR-8777:
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Summary: Duplicate Solr process can cripple a running process
Key: SOLR-8777
URL: https://issues.apache.org/jira/browse/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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