exception Archives - Page 12 of 15

How can I write a `try`/`except` block that catches all exceptions?

How can I write a try/except block that catches all exceptions? 10 s 10 Apart from a bare except: clause (which as others ...

April 17, 2022
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How do you test that a Python function throws an exception?

How does one write a unittest that fails only if a function doesn’t throw an expected exception? 18 s 18 Use TestCase.assertRaises (or ...

April 15, 2022
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How to print an exception in Python?

try: something here except: print('the whatever error occurred.') How can I print the error/exception in my except: block? 1Best Answer 11 For Python ...

April 15, 2022
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How to catch and print the full exception traceback without halting/exiting the program?

I want to catch and log exceptions without exiting, e.g., try: do_stuff() except Exception as err: print(Exception, err) # I want to print ...

April 14, 2022
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How do I check if a variable exists?

I want to check if a variable exists. Now I’m doing something like this: try: myVar except NameError: # Do something. Are there ...

April 14, 2022
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error

Recently I ran into this error in my web application: java.lang.OutOfMemoryError: PermGen space It’s a typical Hibernate/JPA + IceFaces/JSF application running on Tomcat ...

April 14, 2022
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How do you assert that a certain exception is thrown in JUnit 4 tests?

How can I use JUnit4 idiomatically to test that some code throws an exception? While I can certainly do something like this: @Test ...

April 10, 2022
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Catch multiple exceptions at once?

It is discouraged to simply catch System.Exception. Instead, only the “known” exceptions should be caught. Now, this sometimes leads to unnecessary repetitive code, ...

April 10, 2022
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What is a StackOverflowError?

April 8, 2022
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What is the proper way to handle a NumberFormatException when it is expected?

Is there a method that I can call that will tell me if Integer.parseInt() will throw a NumberFormatException before calling it? Then I ...

April 8, 2022
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