Failed To Query Lock Null Status -

If this happens in a development environment (Git, WebDAV) or application using local files Stack Overflow :

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)

UPDATE DATABASECHANGELOGLOCK SET LOCKED = 0, LOCKGRANTED = NULL, LOCKEDBY = NULL WHERE LOCKED = 1; Use code with caution. Copied to clipboard Failed To Query Lock Null Status

Here are the most common solutions based on similar "stuck lock" scenarios: 1. Database/Liquibase Lock Issue

Locate the file usually named index.lock or DAVLock and delete it. If this happens in a development environment (Git,

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

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. Copied to clipboard Here are the most common

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.