title: Eclipse PDE Plugin Export
body: <p>I have created a plugin for eclipse via PDE. I can try the plugin by running the project as 'eclipse application', no problem so far. However, I want to export the project and I get this error:</p>
  
  <blockquote>
    <p>C:\Users\ErayT\workspace.metadata.plugins\org.eclipse.pde.core\temp\org.eclipse.pde.container.feature\assemble.org.eclipse.pde.container.feature.win32.win32.x86_64.xml:88: The following error occurred while executing this line:
    C:\Users\ErayT\workspace.metadata.plugins\org.eclipse.pde.core\temp\org.eclipse.pde.container.feature\assemble.org.eclipse.pde.container.feature.win32.win32.x86_64.xml:103: The following error occurred while executing this line:
    C:\Users\ErayT\workspace.metadata.plugins\org.eclipse.pde.core\temp\org.eclipse.pde.container.feature\assemble.org.eclipse.pde.container.feature.win32.win32.x86_64.xml:26: The following error occurred while executing this line:
    C:\Users\ErayT\Documents\Courses\Senior_Project\workspace\AssignmentGrader\AssignmentGrader_Plugin\build.xml:282: The following error occurred while executing this line:
    C:\Users\ErayT\Documents\Courses\Senior_Project\workspace\AssignmentGrader\AssignmentGrader_Plugin\build.xml:362: Problem: failed to create task or type apitooling.apigeneration
    Cause: The name is undefined.
    Action: Check the spelling.
    Action: Check that any custom tasks/types have been declared.
    Action: Check that any / declarations have taken place.</p>
    
    <p>The following error occurred while executing this line:
    C:\Users\ErayT\workspace.metadata.plugins\org.eclipse.pde.core\temp\org.eclipse.pde.container.feature\assemble.org.eclipse.pde.container.feature.win32.win32.x86_64.xml:103: The following error occurred while executing this line:
    C:\Users\ErayT\workspace.metadata.plugins\org.eclipse.pde.core\temp\org.eclipse.pde.container.feature\assemble.org.eclipse.pde.container.feature.win32.win32.x86_64.xml:26: The following error occurred while executing this line:
    C:\Users\ErayT\Documents\Courses\Senior_Project\workspace\AssignmentGrader\AssignmentGrader_Plugin\build.xml:282: The following error occurred while executing this line:
    C:\Users\ErayT\Documents\Courses\Senior_Project\workspace\AssignmentGrader\AssignmentGrader_Plugin\build.xml:362: Problem: failed to create task or type apitooling.apigeneration
    Cause: The name is undefined.
    Action: Check the spelling.
    Action: Check that any custom tasks/types have been declared.
    Action: Check that any / declarations have taken place.</p>
  </blockquote>
  
  <p>It says there is an error in the file build.xml. Actually there is no file named like this. That is the other strange feedback message I get.</p>
  
  <p>I do not know where to start to solve the problem unfortunately. Those errors do not make sense for me and no idea what really is going on.</p>