Mysterious Eclipse JSP Validation Errors

Question

Eclipse (Helios) occasionally marks valid looking JSP content as having errors. It seems like it often breaks when I use the tag. For example, in a JSP with just th

Answer 1

I had the same problem, but both jsp-api.jar and servlet-api.jar were already in build path. Disabling JSP Syntax Validator didn't help as well.

Instead, I had to disable JSP Content Validator, leaving the syntax validator enabled. I still have underlined code in my JSP but no red cross indicating compiling error and that's the point :)