How do you know which exception to handle?

How do you know which exception to handle?

Here are some ideas:

1. Dig through manually. At least you will know some of the exceptions.
2. Use reflection to find any throw statements accessible from doSomething .
3. Run your test cases and log the exceptions thrown like above.
4. Go to the people who put the catch there in the first place.

How do you handle exceptions selenium?

Handling Exceptions In Selenium WebDriver

1. Try-catch: This method can catch Exceptions by using a combination of the try and catch keywords.
2. Multiple catch blocks: There are various types of Exceptions, and one can expect more than one exception from a single block of code.

Can you catch exceptions you Can’t Handle?

You shouldn’t catch an exception you can’t handle, but you can catch exceptions that you might be able to handle: Note that using throw by itself is supposed to preserve stack trace info. Typical things you can handle gracefully would be a FileNotFoundException.

What should you avoid when handling exceptions in Java?

Here are a few things you should avoid when handling exceptions in your application. As I explained in one of my previous posts, you either need to specify or handle a checked exception. But checked exceptions are not the only ones you can specify.

Is it acceptable to wrap an exception in your own exception?

It’s also acceptable to catch an exception to wrap the caught exception in your own exception that may make more sense to the calling function. It all depends on what went wrong. The point is, just catching and re-throwing is of no use to anyone.

When to set the caught exception as the cause?

When you instantiate a new exception, you should always set the caught exception as its cause. Otherwise, you lose the message and stack trace that describe the exceptional event that caused your exception.