Eclipse c++ Type could not be resolved error even though build is successful

Question

I have mixed C++ / Java project in Eclipse. I\'ve setup a build.mk file and Eclipse builds project successfully when all files in editor are closed. When I open a .h or a .c

Answer 1

I had the same problem. It take place when in included file I'd used

namespace std

without using it in main file or vice versa. Do check using namespace equally.