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Trace open rule functionality fails with session error



Trace open rule functionality fails with session error.

Error Messages

[fault (self-tuning)'] [Tracer] [ ] [ ] (internal.tracer.TracerImpl) WARN  your_host|null  - Tracer: Exception while processing command

com.pega.pegarules.monitor.external.tracer.DuplicateRuleWatchException: This rule RULE-SERVICE-REST API V1!CASES #20150616T051919.151 GMT is being traced by operator your_operator from requestor HOUHOG7E69JUCDOMV9EAQ2K8K87PKDHIQ
        at com.pega.pegarules.monitor.internal.tracer.ConnectCommand.throwDuplicateRuleWatchException( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.ConnectCommand.throwIfRuleIsBeingTracedInCluster( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.ConnectCommand.throwIfRuleAlreadyBeingTraced( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.ConnectCommand.enableClusterWideRuleWatch( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.ConnectCommand.handleConnectForRuleWatch( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.ConnectCommand.execute( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.LocalNodeTracer.executeCommand( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.TracerImpl.processRequest( ~[prprivate.jar:?]
        at com.pega.pegarules.monitor.internal.tracer.TracerImpl.invoke( ~[prprivate.jar:?]

Steps to Reproduce


Root Cause

A defect in Pegasystems’ code or rules.


Apply the following hotfixes and restart all the JVMs in the cluster.
  1. HFix-41101
  2. HFix-40458

Published July 23, 2018 - Updated October 8, 2020

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