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debug code runs a lot slower than release - Visual Studio Feedback.
Method breakpoints will slow down debugger a lot because of the JVM design, they are expensive to evaluate. Remove method breakpoints and consider using the regular line breakpoints. To verify that you don't have any method breakpoints open .
Running an app within a debugger, also called debugging mode, means that the debugger actively monitors everything that's happening as the program runs. It also allows you to pause the app at any point to examine its state and then step through your code line by line to watch every detail as it happens.
Another "debugging break" is the use of method entry/exit breakpoints.
Did you try to remove all breakpoint definitions once?
Sometimes i think Eclipse is getting out of synch with some of its internal/displayed state. Perhaps you should try to setup a new (not copy) of your workspace. This sometimes helps me to recover from spurious features.
This is how you can remove all breakPoints
Eclipse -> Run -> Remove All Breakpoints - for removing all Breakpoints for all Time
Eclipse -> Run -> Skip All Breakpoints - for temporary remove breakpoints
I faced this issue lot of time. Solution is simple, Remove all breakpoints. (Run >> Remove All Breakpoints)
I was just running a program in Eclipse debug mode that was almost instant without debugging but when I ran it in debug mode, it was really slow. I went through and deleted a ton of random useless breakpoints I wasn't using and then the program sped up A LOT (200x or so).
Disable 'Show method result after a step operation'.
I have found that i often forget that i have a bunch of expressions added to the expressions panel that are no longer needed that are none the less being evaluated (or are failing to evaluate) and this slows stuff down a good deal. Make sure that you keep those expressions cleared out when not needed.
Close eclipse... clear %temp% folder, temp folder... disable breakpoints... in most cases this will definitely solve the problem.
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