Unexpected compiler exception NoSuchKey #986
Description
This happens for many modules while using the compiler in Eclipse on the Rascal project:
[�e�r�r�o�r�]� �U�n�e�x�p�e�c�t�e�d� �c�o�m�p�i�l�e�r� �e�x�c�e�p�t�i�o�n� �N�o�S�u�c�h�K�e�y�(�|�p�r�o�j�e�c�t�:�/�/�r�a�s�c�a�l�/�s�r�c�/�o�r�g�/�r�a�s�c�a�l�m�p�l�/�l�i�b�r�a�r�y�/�l�a�n�g�/�r�a�s�c�a�l�/�t�e�s�t�s�/�f�u�n�c�t�i�o�n�a�l�i�t�y�/�C�o�m�m�o�n�K�e�y�w�o�r�d�P�a�r�a�m�e�t�e�r�I�m�p�o�r�t�T�e�s�t�s�2�/�D�i�a�m�o�n�d�L�e�f�t�.�r�s�c�|�(�2�1�9�,�4�,�<�5�,�3�5�>�,�<�5�,�3�9�>�)�)� �a�t� �|�p�r�o�j�e�c�t�:�/�/�r�a�s�c�a�l�/�s�r�c�/�o�r�g�/�r�a�s�c�a�l�m�p�l�/�l�i�b�r�a�r�y�/�l�a�n�g�/�r�a�s�c�a�l�/�t�e�s�t�s�/�f�u�n�c�t�i�o�n�a�l�i�t�y�/�C�o�m�m�o�n�K�e�y�w�o�r�d�P�a�r�a�m�e�t�e�r�I�m�p�o�r�t�T�e�s�t�s�2�/�D�i�a�m�o�n�d�B�o�t�t�o�m�.�r�s�c�|�(�0�,�2�0�8�8�,�<�1�,�0�>�,�<�4�4�,�6�1�>�)�
Maybe this happens only when downstream modules have errors in them. Sometimes when I recompile the errors dissappear, sometimes they come back.