Error launching Threaddumps in Tomcat Agents

Products

• CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

On launching a thread dump in our Tomcat Agent, it does not get created and gets the following error:

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[ERROR] [PO:main Mailman 8] [Manager.MessageService] Exception: java.lang.NullPointerException calling method: com.wily.isengard.messageprimitives.service.MessageServiceCallMessage: {com.wily.introscope.threaddump.common.IThreadDumpService.getThreadDump, v1, [[SessionToken|key: 7206124536001968241, po: Workstation_37562.client_main], null, manual, sabarber], source: Workstation_37562.client_main:11778, remoteHost: Node=Workstation_37562, Address=10.99.241.216/10.99.241.216:62336, Type=socket}

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The agent is 21.4.0.34 version and EM is 10.7.

In the 10.7 Agents, the threaddumps ran well.

 

 

Environment

Release : 10.7.0

Component : Introscope

Cause

Not supported with the Agent 21.4.x 

Resolution

Per Product Management, the ThreadDump feature is officially certified and supported with the latest version 22.3 Agent with DX Saas and On-Prem APM 10.8.

The version Agent is 21.4.0.34 with  EM 10.7 is not supported