Custom throw-types might mean existing code catch clauses wouldn't catch the exception types. You could constraint them to have to inherit from OperationCanceledException or TaskCanceledException ?

Learn everything you need to throw, try, catch, and clean up after Java exceptions in your programs.

A more than minimal JVM written in Go and capable of running Java 21 classes. - Throwing exceptions and errors in Java · platypusguy/jacobin Wiki ...

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...

A common software antipattern is to log and rethrow exceptions in Java. Here we explain why doing so will make troubleshooting errors harder.

To fix Internal Exception: java.io.IOException, An existing connection was forcibly closed by the remote host Minecraft error, you need to follow the given solutions.

Not sure what a try catch is? We explain how to use a try catch block in Java and how to write methods that throw exceptions.