Timer boundary event failed to load delegate class

Camunda 7 Topics Discussion & Questions
1

Hi @Niall ,
We have few process with Timer boundary event in user task. But, it keeps producing ‘ENGINE-09008 Cannot load class’ incidents. We have heterogeneous spring-boot micro-service deployment. Pls let us know if any timer job event specific configuration to be added in order to avoid this incidents.

Camunda Version : 3.4.0
Camunda engine version : 7.12.0
DB : maridb
Container : Openshift
Deployment : Spring-boot embedded camunda engine
We have below job configuration:
image

Attaching BPMN file for your reference.
amend_checker_process.bpmn (3.7 KB)

Error:
image

image
image1038×277 95 KB

Kindly assist us on this issue.

2

Hi @Prabhakar_Mariyappan,

as it seems that you are running Camunda in a heterogenious cluster, it may be worth to watch this video:

Hope this helps, Ingo

3

Hi @Ingo_Richtsmeier , Thanks for your prompt reply.
We have already tried ‘job-execution.deployment-aware’ set to true and ‘Async continuous’ option. But, still we are facing issue to load delegate classes.
When we tried implement Async continuous for all service & user tasks in our workflow eventually our process is becomes very slow. After we faced this slowness issue, we stopped using explicit asyn continuous setting.

Currently, we are facing this ‘delegate class not found’ issue only when try to implement timer boundary event in our workflow. So, pls let me know if any specific configuration available to avoid this issue.

Thanks,