F5 LTM monitor not working - An error occurred while initializing com.ca.apm.extensions.f5.F5StatisticsCollectorInvoker

Products

• CA Application Performance Management Agent (APM / Wily / Introscope)
• CA Application Performance Management (APM / Wily / Introscope)
• INTROSCOPE
• DX Application Performance Management

Issue/Introduction

F5 LTM monitor is not working as expected, in the log the below exception is reported:

2/27/20 10:28:55 AM EST [ERROR] [IntroscopeAgent.InfrastructureAgent] An error occurred while initializing service class com.ca.apm.extensions.f5.F5StatisticsCollectorInvoker in "F5 LTM device metrics collector".
2/27/20 10:28:55 AM EST [ERROR] [IntroscopeAgent.InfrastructureAgent] 

java.lang.NullPointerException
at com.ca.apm.extensions.f5.F5StatisticsCollectorInvoker.IAgentService_startService(F5StatisticsCollectorInvoker.java:119)
at com.wily.introscope.agent.service.ServiceAdministrator$ServiceInitializer.startService(ServiceAdministrator.java:604)
at com.wily.introscope.agent.service.ServiceAdministrator$ServiceInitializer.startServiceSafe(ServiceAdministrator.java:618)
at com.wily.introscope.agent.service.ServiceAdministrator$ServiceInitializer.IExecutableItem_execute(ServiceAdministrator.java:482)
at com.wily.util.task.AsynchExecutionQueue$WrapperItem.IExecutableItem_execute(AsynchExecutionQueue.java:414)
at com.wily.util.task.AsynchExecutionQueue.doTask(AsynchExecutionQueue.java:205)
at com.wily.util.task.ATask$CoreTask.run(ATask.java:132)
at java.lang.Thread.run(Thread.java:748)

Cause

Mandatory property "introscope.agent.f5.virtualServer.hosts" has not been configured.

Environment

Introscope Agent 10.7.x and SaaS

Resolution

Make sure all mandatory fields are configured, below mandatory properties from bundles.properies

please note the username and password properties are the administrative username and password for the remote BIG-IP system.
the credentials given when accessing https:f5host:f5port/mgmt/tm/ltm/profile/http/stats are the ones to be used for these properties


bundles.properties:
....
# These are mandatory properties required to execute the extension. 

#<IP address of the machine on which F5 is running>
#introscope.agent.f5.host={IP address of the machine on which F5 is running} 

#<port numer through which F5 instance is reachable on above IP>
#introscope.agent.f5.port={port number through which F5 instance is reachable on above IP} 

#<F5 user name, this user should have access to the F5 REST API>
#introscope.agent.f5.user={F5 user name} 

#<Password of above user>
#introscope.agent.f5.password={Password of above user} 

#<time interval in seconds for invoking the F5 API>
#introscope.agent.f5.update.interval={time interval} 

# <IP addresses:port of virtual servers created in F5 LTM instance>. Use comma as delimiter for entering multiple virtual servers
#introscope.agent.f5.virtualServer.hosts={IP addresses of virtual servers created in F5 LTM instance}
..

for more information refer to:
https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/it-operations-management/application-performance-management/10-7/implementing-agents/infrastructure-agent/f5-ltm-monitoring/configure-f5-ltm-monitoring.html 

Additional Information

F5 LTM Monitor current limitations
https://knowledge.broadcom.com/external/article/186780