During SUM Tool upgrade process, you come across the simular issue as screenshot below
From deply_x_trc, you can see errors which caused issue is the following;
com.sap.engine.services.dc.cm.deploy.DeploymentException: This deployment won't be started, because service [tc~bl~deploy_controller] cannot lock the database.
Hint: 1). Retry, when there is no system activity.
Caused by: com.sap.engine.services.dc.cm.lock.DCAlreadyLockedException: Cannot perform 'lock' operation in 'DB' for argument 'deploy_controller/lock/single_thread' and user 'Deploy', because the argument 'deploy_controller/lock/single_thread' and user 'Deploy' is already locked.
Caused by: com.sap.engine.frame.core.configuration.NameAlreadyExistsException: A configuration with the path "deploy_controller/lock/single_thread" does already exist.
- Release Independent
- SAP NetWeaver
deploy_controller/lock/single_thread, Cannot perform 'lock' operation, Retry, when there is no system activity , KBA , BC-JAS-DPL , Deployment , Problem
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