You might also want to look into MRUnit. It lets you mock the
behavior of the framework to test your map and reduce classes in
isolation. Can't discover all bugs, but a useful tool and works nicely
with IDE debuggers.
On Thu, Sep 15, 2011 at 3:51 PM, Frank Astier <[EMAIL PROTECTED]> wrote:
> Hi -
> I’m using IntelliJ and the WordCount example in Hadoop (which uses MiniMRCluster). Is it possible to set an IntelliJ debugger breakpoint straight into the map function of the mapper? - I’ve tried, but so far, the debugger does not stop at the breakpoint.