Support Article

Stuck Requestors using CPU



CPU consumption is elevated for production JVMs. Upon investigating, evidence of long running (stuck) requestors force restart of the JVM in order to resolve.

Error Messages

"WebContainer : 49" Id=81791 in RUNNABLE
BlockedCount : 24, BlockedTime : -1, WaitedCount : 91971, WaitedTime : -1
at java.util.HashMap.findNonNullKeyEntry(
at java.util.HashMap.putImpl(
at java.util.HashMap.put(
at com.pegarules.generated.xml.ra_action_pyanyns_pyanyname_d53058bf5b6058138ce979392b037ae8.typeSubstitutionHelper_15
at com.pegarules.generated.xml.ra_action_pyanyns_pyanyname_d53058bf5b6058138ce979392b037ae8.typeSubstitutionHelper_16

Steps to Reproduce

Observe the CPU usage and requestors.

Root Cause

A defect in Pegasystems' code or rules results in repeated use of HashMap.


Apply HFix-31258.

Published January 19, 2017 - Updated February 24, 2017

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