Agents fail to connect after changing JON Server HTTP Port

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Issue

Problem changing HTTP port
Agent no longer connects to JON server
Agent and all its resources are unavailable after changing JON Server port

Environment

JBoss Operations Network (JON) 2.2
- 2.x
- 3.x
JON Server HTTP port (rhq.server.startup.web.http.port) has been changed by updating rhq-server.properties file
Registered JON Agents have been reconfigured to use the new port by running rhq-agent.sh --purgedata --cleanconfig

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