Java – In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without errors


I'm using Eclipse for Java development. All my sources compile fine and the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer.

All my sources in this source directory (too long for the snapshot) compile fine, none of the show the "red-x" error icon.

Any suggestions on how to fix the problem would be highly appreciated.

Best Solution

yeah, this happens sometimes for no apparent reason. You can go to the "Problems"-Tab (right next to console output) and see the error message, so maybe you can narrow it down that way.