Process engine is not working and bg-ca log error: heart beat is old

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Article ID: 106773

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Updated On:

Products

Clarity PPM On Premise

Issue/Introduction

Process engine is not working and bg-ca log shows error 'heart beat is old': 

ERROR 2018-07-07 11:30:02,101 [Process Monitor (tenant=clarity)] bpm.engine (clarity:process_adminzzzz__zzzzzzzzzzz:none) ----> Engine: bg-zzzzz heart beat is old. Heartbeat: Sat Jul 07 06:42:43 PDT 2018 Limit: Sat Jul 07 09:30:01 PDT 2018. Engine will be shutdown.. If this is not normal, please fix any problems and restart the process engine. Trying to shudown process enigne. 
java.lang.Exception 
at com.niku.bpm.engine.ProcessMonitor.execute(ProcessMonitor.java:188) 
at com.niku.bpm.engine.ProcessMonitor.run(ProcessMonitor.java:118) 

What does the error mean and how can we resolve the issue?

Cause

.The error means the heart beat is old

  • This means that one of the process pipelines is not responding to the process monitor thread.
  • When this happens the heart beat is old error, it is sent when the thread has not responded for two hours and shuts the whole process engine down

Environment

Release: All Supported Releases
Component: ODBPM

Resolution

Restart BG services 

  • SaaS customers: See KB: 193378 - How to request a App/Bg restart for Saas/On Demand for more details including impact of a BG Restart