There are times when we have an !!Exception!! which looks like
seems like our non crashable page just crashed, and looking at line 29 in our gsp is of no avail, and we just end up thinking maybe x or maybe y messed up.
The trick is simple, simply in your URL , add the following :
and this will give you the compiled groovy code for the gsp. There you can point out to line #29 and shout “Gotcha!”