When the keyboard and mouse disconnect from a PC running Minecraft: Java Edition and then reconnect within a short time-frame (<=2s), the game freezes (prompting a "not responding" from Task manager). Game seems to want to attempt to recover from the input change, but multiple rapid changes seems to mess it up completely.
If the game is recovering, there is no conveyance to to the user (application seems to have just crashed).
Comments 4
The game itself seemed to be frozen/unresponsive. I'm not entirely sure how to tell the difference, but in task manager if I expanded the Java process it seemed to be the child Minecraft process that was unresponsive.
Edit: I'll post a screenshot of Task Manager if the issue crops up again.
I will also add that the game was fine on disconnection of my keyboard+mouse. Just not on reconnection.
Malwarebytes ADWCleaner is an utility to clean a PC which has potentially unwanted programs installed - some of those are known to cause issues like the one you are describing. Download it here: https://www.malwarebytes.com/adwcleaner
Run it, click Scan Now, once it completes the scan click Quarantine and Disable, restart the computer when it asks you to then check if the error still occurs.
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Did the game itself crash, or the JVM?