Force.com IDE - take advantage of the debugger - set breakpoints in the IDE, trigger a request in the browser, and see the current stack, memory variables, etc
- Install Eclipse kepler r Packages (select Eclipse IDE for Java Developers) from http://www.eclipse.org/downloads/packages/release/kepler/r
- Install Force.com IDE Installation (from https://developer.salesforce.com/page/Force.com_IDE_Installation)
- Make sure you install the debugger
Gotchas
- Only one debugging session per org
- Sanbox only
- Managed code and variables removed
- Cut-Off points
- Available at an additional charge