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The background error parsing (the error signs in the margin in the editor) do not get updated if I update the source code outside the IDE, e.g. with external subversion tool etc. I'm using freeform projects a lot. I haven't experienced this problem in previous versions of netbeans. Workaround: 1. Quit netbeans 2. Delete ~/.netbeans/6.1/var/cache 3. Start netbeans
Is the step 2. necessary?
Yes, step 2 is necessary.
Example scenario: Class Foo uses the class Bar. Foo and Bar is modified outside the IDE (e.g. external svn, emacs, code-generation). When I return to the IDE where Foo is open it will mostly contain "compile errors" (e.g. if I added a new method in Bar and Foo uses that method). In my case Foo and Bar are located in different projects, not sure if it matters. The error is resolved if I open Bar in the Netbeans editor and then go open/activate Foo in the editor. If this happens to many classes at the same time I usually use the workaround in the first comment since it is too cumbersome to visit all files in Netbeans (in dependency order?).
Overtake.
The problem with external modification is tracked by another higher priority issue. *** This issue has been marked as a duplicate of 168237 ***