Failed To Query Lock Null Status -

If this occurs during a database migration or application startup (e.g., Liquibase , Markvision Enterprise), the DATABASECHANGELOGLOCK table is likely stuck. Manually reset the lock table.

Based on common technical issues, the error "Failed To Query Lock Null Status" often refers to a situation where a database or system process (like Liquibase or Markvision) cannot determine if a resource is locked because the lock entry itself is missing, corrupt, or improper. This is frequently caused by a previous process being terminated prematurely. Failed To Query Lock Null Status

If a large query was just killed, it may be rolling back. Wait a few minutes Stack Overflow . If this occurs during a database migration or

the provided "release lock" script or command (e.g., .\runcommand.bat LockManager releaseLock update_lock ) Stack Overflow. Restart the service. 4. General Troubleshooting This is frequently caused by a previous process

If you are certain no other process is running, you can sometimes delete the lock row entirely Stack Overflow. 2. File-Based Lock (.lock file)

Did this happen ? I can then provide the exact commands for your scenario.