I created a project from existing source, pointing to a directory which has 20 folders with hundreds of source files in them. The project shows errors throughout "Package not imported in manifest" as illustrated:
Obviously I would expect Swing to be available. There is a "META-INF" directory in each package directory with a "manifest.mf" file in it, for what purpose I know not. The manifest file for the source code file shown above has this text in it:
What is the problem?