Open the Customize Breakpoint dialog box for the breakpoint inside error() and disable breakpoint counts by selecting Always Stop from the drop-down list for the Count Limit.
Rerun the program.
Pay attention to the stack trace the two times you stop in error(). The first time, the stop in error() looks like the following screen:
The second time, the stop in error() looks like the following screen:
To arrange to stop at this breakpoint when it is called from runProgram (frame [7]), open the Customize Breakpoint dialog box again and set the While In field to runProgram.