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Stop Agent and it can't be started

SA-54121

Summary



Error occurs when starting a stopped System Pulse agent.


Error Messages



java.lang.NoClassDefFoundError: com/pega/pegarules/session/internal/async/AgentQueue$AgentNotification
    at com.pega.pegarules.session.internal.async.AgentQueue.notifyAgentTermination(AgentQueue.java:1272) ~[prprivate.jar:?]
    at com.pega.pegarules.session.internal.async.AgentQueue.throwAlertAndNotifyExceptionInAgentExecution(AgentQueue.java:1268) ~[prprivate.jar:?]
    at com.pega.pegarules.session.internal.async.AgentQueue.handleProblem(AgentQueue.java:1245) ~[prprivate.jar:?]
    at com.pega.pegarules.session.internal.async.AgentQueue.runEnd(AgentQueue.java:1092) ~[prprivate.jar:?]
    at com.pega.pegarules.session.internal.async.Agent.terminateQueue(Agent.java:2364) ~[prprivate.jar:?]
    at com.pega.pegarules.session.internal.async.AgentUtilsImpl.terminateQueue(AgentUtilsImpl.java:658) ~[prprivate.jar:?]
    at com.pega.pegarules.management.internal.system.operations.jobs.AgentManagementJob.stopAgents(AgentManagementJob.java:198) ~[prprivate.jar:?]
    at com.pega.pegarules.management.internal.system.operations.jobs.AgentManagementJob.invokeOperation(AgentManagementJob.java:66) ~[prprivate.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0]



Steps to Reproduce

  1. Navigate to System Management Application (SMA).
  2. Start the stopped agent.


Root Cause



The node's cache was not in sync with the database.


Resolution



As a local-change, clear the Temp folder and restart the agent.


 
Suggest Edit

Published July 23, 2018 - Updated October 8, 2020

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