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Carbon Black upgrade fails with a Solr report migration message

Carbon Black upgrade fails with a Solr report migration message



All Carbon Black versions.




A Carbon Black upgrade is failing.




The upgrade is aborted, and the following message is observed:


Exception: Unable to complete VT report migration to SOLR. Unable to start SOLR.




During this step in the upgrade, a connection attempt is made to localhost.  When there is a proxy configured for the Carbon Black server, this call to localhost may fail depending on your proxy's configuration.




To complete the upgrade, temporarily disable the proxy for the Carbon Black server.  Additionally, depending on your server's configuration, ensure the /etc/hosts file still contains the localhost reference to the loopback address:    localhost


Important Note(s):


Make sure the proxy configuration is only temporarily disabled, then enabled again immediately following the upgrade.  This is critical as Carbon Black features with the Alliance server requires internet access.

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