Skip to main content

This content has been archived and is no longer being updated. Links may not function; however, this content may be relevant to outdated versions of the product.

Support Article

Agent activity is disabled in Production environment



Agent activity causes NoClassDefFoundError and is disabled in the Production environment. User must re-enable the agent in the System Management Application (SMA) to proceed further. The issue is intermittent. 

Error Messages

Agent activity queue number [2] disabled due to execution errors ErrorMsg:pega/pegarules/data/internal/store/RetryContext$ExceptionForDatabase

Steps to Reproduce


Root Cause

A defect in Pegasystems’ code or rules. The class is not preloaded. 


Perform the following local-change:
Add the below setting to the prcofig file:

<env name="initialization/preloadenginejars" value="prprivate.jar" />


Published September 6, 2019 - Updated October 8, 2020

Was this useful?

0% found this useful

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.

Did you find this content helpful?

Want to help us improve this content?

We'd prefer it if you saw us at our best.

Pega Community has detected you are using a browser which may prevent you from experiencing the site as intended. To improve your experience, please update your browser.

Close Deprecation Notice
Contact us