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By default, Netigso.createLoader() makes an expensive bundle.findEntries call that does a scan of the entire OSGi bundle. This is an expensive call. There is a mechanism currently in place, setting the branding property FIND_COVERED_PKGS=findByExportPackage, which disables this behavior with no impact on the OSGi bundles, but with impact on some of the NB's OSGi-aware modules. For example, running JDev, and trying to create a Matisse form blows up, because Matisse export an service, under, META-INF/services which is no longer visible when bundle.findEntries is not called.
Created attachment 134285 [details] Two ways to export packages under META-INF Modules can either enumerate their content under META-INF directory with "/"-prefixed entries, or they can use classical META-INF.some.pckg notation (which is less effective). I managed to start JDev and use form editor with my patch and with following branding file: $ cat branding/modules/org-netbeans-core-netigso.jar/org/netbeans/core/netigso/Bundle.properties FIND_COVERED_PKGS= If the direction outlined with this patch is found promising, I am ready to turn that into official change and backport it to some 7.3-based branch.
Comment from Tomáš Pávek: > I've tried the patch and it seems working well....
Please verify the final patch: http://hg.netbeans.org/ergonomics/rev/f22c7660c05f If it seems good, let me know and I'll backport it to jdev_abrams branch.
Okay, I tested the patch on my end, and it looks good.
Integrated into 'main-golden', will be available in build *201305152300* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/f22c7660c05f User: Jaroslav Tulach <jtulach@netbeans.org> Log: #229426: MetaInfService entries can be enumerated via current, effective method, or by publishing/exporting META-INF.services package. Most of the modules use the effective method only. OSGi bundles are allowed to use the simple Export-Package: META-INF.services.
changeset: 2c4627357851 branch: jdev_abrams tag: tip parent: 256960:0505c074dc75 parent: 260752:f22c7660c05f user: Jaroslav Tulach <jtulach@netbeans.org> date: Fri May 17 09:11:12 2013 +0200 summary: Merging #229426 for consumption by JDev
Integrated into 'main-golden', will be available in build *201305281155* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/22a462730ae5 User: Jaroslav Tulach <jtulach@netbeans.org> Log: Fix for #229426 may cause exception from the OSGi framework. Be more robust against IllegalStateException
This fix caused regression: issue 229946.
Integrated into 'main-golden', will be available in build *201306132301* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/3c770e3ddb4d User: Jaroslav Tulach <jtulach@netbeans.org> Log: Additional fix to #229426 discovered as bug #229946: Use the same logic as in getResources also for getResource