Failed to check session lock" is an error message that can occur randomly in a Minecraft server when it cannot access the session file. It will cause the server to crash. Addressing this error is essential as it can prevent players from accessing the server and cause frustration for both players and server admins. The fix is navigating to the world folders and deleting the session.lock files. For any help or questions, connect with the QuickHost support team here.
Note: This error will appear in the console: net.Minecraft.server.WorldConlictException: Failed to check session lock, aborting.
How to Fix the Failed to Check Session Lock Error
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Login to the QuickHost game panel.
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Stop the server.
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Under server controls, select file managers.
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Open the main world file located at
/home/container/worlds/[world_name] -
Right-click the session.lock file and choose Delete.
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Start the server.
