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Support Article

Unable to checkout rule after restarting server with clear cache



Unable to checkout a rule after restarting server with clear cache.

Error Messages

** Check out failed. Unable to open this instance's Ruleset Version record [email protected] 01-01-01
NoSuchMethodError java.lang.NoSuchMethodError:;)Lcom/google/common/hash/Hasher;

Steps to Reproduce

Check out or check in a rule.

Root Cause

An issue in the custom application code or rules. The guava jar versions of Pega 7.2 and user application does not match.


Perform the following local-change:

Delete guava-18.0.jar from pr_engineclasses table and restart the application server.

Published January 16, 2018 - Updated October 8, 2020

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