https://community.appian.com/discussions/f/general/37590/appdynamics-issue-when-upgrade-to-appian-24-2We are using AppDynamics for monitoring, post upgrade to 24.2 version from 23.2 we see below error in tomcat logs and we see 404 error when we try opening the processmodel. 2024-09-24 14:11:47 SEVERE [main] org.apache.catalina.core.StandardContexten-USTelligent Community 12https://community.appian.com/thread/141048?ContentTypeID=1Wed, 25 Sep 2024 06:21:53 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:1c8c177d-1f86-41be-9053-bed27d34797amadhavia0002<p><span>Appian response below</span></p> <p><span>&nbsp;As KB-1414 [1] mentions, external monitoring agents can introduce unexpected behavior in Appian. In order to resolve this issue, please disable the external monitoring agent and clear the application server cache. Unfortunately as AppDynamics is an external monitoring agent, and is out of scope for Appian Support, we are unable to provide guidance/workarounds outside of the above. Please let me know if you have any additional questions or concerns. [1] <a href="https://community.appian.com/support/w/kb/691/kb-1414-dynatrace-interfering-with-appian-components">community.appian.com/.../kb-1414-dynatrace-interfering-with-appian-components</a></span></p><div style="clear:both;"></div>https://community.appian.com/thread/141047?ContentTypeID=1Wed, 25 Sep 2024 06:21:42 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:8c858fe0-ac89-4a71-a59f-6c2af7902555madhavia0002<p><span>Appian response below</span></p> <p><span>&nbsp;As KB-1414 [1] mentions, external monitoring agents can introduce unexpected behavior in Appian. In order to resolve this issue, please disable the external monitoring agent and clear the application server cache. Unfortunately as AppDynamics is an external monitoring agent, and is out of scope for Appian Support, we are unable to provide guidance/workarounds outside of the above. Please let me know if you have any additional questions or concerns. [1] <a href="https://community.appian.com/support/w/kb/691/kb-1414-dynatrace-interfering-with-appian-components">community.appian.com/.../kb-1414-dynatrace-interfering-with-appian-components</a></span></p><div style="clear:both;"></div>https://community.appian.com/thread/141039?ContentTypeID=1Wed, 25 Sep 2024 04:07:11 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:58696340-acb1-4888-82c2-da196a656ba0Soma<p>Please reach out to Appian Support</p><div style="clear:both;"></div>https://community.appian.com/thread/141022?ContentTypeID=1Tue, 24 Sep 2024 14:44:32 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:7321e4ae-e415-406d-b312-c68893307ac8Stefan Helzle<p>I suggest to open a support case.</p><div style="clear:both;"></div>