A multi threading system and a queue: it will be hard to explain all the algorithm here but sometimes you think that one thread can't affect others and it is no

A multi threading system and a queue: it will be hard to explain all the algorithm here but sometimes you think that one thread can't affect others and it is not true I had to find an exception that kills no just the thread but doesn't allows the queue consuming to continue, I remember I went home something like 5am.