title: Eclipse C++ include error: no such file or directory
body: <p>I've loaded a C++ project into Eclipse (Europa) and I'm familiarizing myself with the CDT interface.</p>
  
  <p>There is one particularly annoying error message for the following line:</p>
  
  <pre><code>#include "somedir/somefile.h"
  </code></pre>
  
  <p><strong>somedir/somefile.h: No such file or directory</strong></p>
  
  <p>The include file exists in "/opt/local/project/include/somedir/somefile.h".</p>
  
  <p>Under <strong>Project > Properties > C/C++ General > Paths and Symbols > Includes</strong>, I've already added the include directory "/opt/local/project/include".</p>
  
  <p>However, this does not seem to solve the issue.</p>
  
  <p>Does anyone know how to deal with this error?
  Thanks.</p>
  
  <p>Edit:
  Solved the problem. Turns out that it was a simple issue. I had to "refresh" all the projects in the workspace.</p>