Resources for one or more agents are reported with unknown availability if JON back-end database has gone offline for a period of time

Solution Unverified - Updated -

Issue

  • Agent not reconnecting after reboot of database (DB)
  • Agents lost the connectivity to server
  • Agent not reconnecting
  • Agent is backfilled if back end database is offline for longer then 5 minutes

  • Server reports agent has been backfilled:

    INFO  [org.rhq.enterprise.server.core.AgentManagerBean] Have not heard from agent [jboss-on-agent-01] since [Wed Mar 12 15:57:59 EDT 2014]. Will be backfilled since we suspect it is down

Environment

  • Red Hat JBoss Operations Network (ON) 3.1.2
  • JBoss ON back-end database has gone offline or was unreachable for longer then the JBoss ON system's Agent Max Quiet Time Allowed period
  • Impacted platform(s) have an availability status of down or unavailable
  • One or more or all resources on the impacted platform(s) have an availability status of unknown

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