When a breakpoint is enabled, the thread that the transformation is running on will suspend before that line of code is executed. The debugger selects the thread that has been stopped by the breakpoint and automatically displays the stack frames for that thread. The line where the breakpoint was set is highlighted in the editor.
In the Breakpoints view, there are two indicators to the left of a set breakpoint. To the far left is a check box which indicates if the breakpoint is enabled (when enabled, the check box contains a check mark). To the near left, a filled indicator indicates the set breakpoint (when the breakpoint is disabled, this indicator is not filled).
You can add a line breakpoint to source that you have opened in the editor prior to debugging or to source that is open in the editor during a debug session. To add a line breakpoint in the editor, complete these steps: