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File org-netbeans-modules-ide-ergonomics.jar contains duplicates of resources that appear in other jars in the full distribution. E.g.: org/netbeans/modules/ide/ergonomics/java/org-netbeans-libs-javacapi-javac-library.xml is a pristine copy of: org/netbeans/libs/javacapi/javac-library.xml from java?/modules/org-netbeans-libs-javacapi.jar Please do not create duplicate resources.
Well, this is as designed. The ide-ergonomics.jar serves as a cache of resources available elsewhere, so their JARs do not need to be opened to load them. Purpose of caches is to duplicate information, so I think that in this case the duplication is appropriate.
Cool. So these resources are actually three or four times on my disk: in the correct module jar, in ergonomics and in the resources cache (possibly twice, once for the correct module jar and once for ergonomics). Interesting. Anyway, seems that the cache may need to be fixed. Regarding javac-library.xml, I was able to find only two cases: a) the cache is harmful: enabled C/C++, and the project libraries tried to load the library from ergonomics, but as j2se libraries were not enabled, the library could not be created. So time and memory was wasted to parse a library from the cache. b) the cache is useless: created J2SE Project - (it seems that) the version of the javac library from the org-netbeans-libs-javacapi.jar was used, cache was ignored. Could you please provide me user-level instructions to see the cache in action?