Eclipse Problems View doesn't show Errors

Question

[Note: There is another thread about this problem but it did not answer the question.]

For one specific project in Eclipse, the problems view does not show errors. I

Answer 1

I want to post my story here if Google brings you to this question.

Somehow, "Project->Build Automatically" got turned off.

Turning it back on produces correct errors list.

I've tested that this is the case as far as Ganymede ( at the point of writing this post I am running Indigo )