How can I see line numbers in a stack trace?

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Index:Debugging, Testing and Optimization:Debugging

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How can I see line numbers in a stack trace?

You can disable the JIT (Just in Time):

java -Djava.compiler=NONE MyApp

appletviewer -J-Djava.compiler=NONE MyApplet.html

eg. look at the following bug in the code:

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When you run this code using "java Main"
you will get the following error message:

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What line is the bug in? "Compiled Code" doesn't give us much of a clue...
Even though most of you coders don't need the line number in this example,
it may be useful to have more information (ie. line number) to find a bug
in a more complex situation.
Run the code using "java -Djava.compiler=NONE Main"
and you get

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Note that HotSpot is able to product line numbers for JIT'd code.

Further Information

Author of answer: Joris Van den Bogaert

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