Hi Christoph,

How can i make my bundle start early as possible, I tried registering my
hook at Activator, but i couldn't get the bundle to start. Thats why i
though may be the service annotation would start my bundle early.

Gayan

On Sun, Oct 25, 2020 at 6:37 PM Christoph Läubrich <lae...@laeubi-soft.de>
wrote:

> WeavingHooks require a good knowledge of how OSGi works as they have
> several constraints and implications.
>
> I can only recommend to start with an absolute minimal example (aka Hook
> with system.out), lazy loading is NOT sufficient for making WeavingHooks
> work, dependencies should be cut down to the absolute minimum as you
> won't be able to (reliable) weave any class you depend on!
>
> So the very first steps should include:
> - create a bundle with only osgi+weaving requirements as PACKAGE(!) imports
> - make sure your bundle is startet AS EARLY as possible
> - do not use DS or any other abstraction laver but register your
> WeavinHook with an Activator
> - make sure you are able to debug resolving/startup issues
>
> If all that is done, you can try to enhance your bundle to do the actual
> tasks.
>
>
> Am 25.10.20 um 18:22 schrieb Gayan Perera:
> > I tried adding the correct dependencies, but i couldn't find the bundles
> > in bundle dependencies, i searched in update site and orbit as well, but
> > i could only find the source bundles. But for some reason the classes
> > seems to be resolved for compilation.
> >
> > Where can i get the correct bundles ? I'm using 4.18 Ibuild and 4.17
> > release as my PDE target runtimes.
> >
> > Gayan.
> >
> > On Sun, Oct 25, 2020 at 6:17 PM Dirk Fauth <dirk.fa...@googlemail.com
> > <mailto:dirk.fa...@googlemail.com>> wrote:
> >
> >     Well your bundle requirement looks very wrong since you require the
> >     source bundles that IMHO are not part of the runtime and of course
> >     you should never require sources! That is why your bundle does not
> >     start.
> >
> >     Gayan Perera <gayan...@gmail.com <mailto:gayan...@gmail.com>>
> >     schrieb am So., 25. Okt. 2020, 18:13:
> >
> >         Hi Dirk,
> >         Yes PDE annotation are enabled.
> >         The xml generated inside OSGI-INF looks like this
> >
> >         *<?xml version="1.0" encoding="UTF-8"?>*
> >
> >         *<**scr:component**xmlns:scr=*/"
> http://www.osgi.org/xmlns/scr/v1.1.0
> >         <http://www.osgi.org/xmlns/scr/v1.1.0
> >"/*immediate=*/"true"/*name=*/"org.gap.eclipse.plugins.eclipseiconpacks.core.IconPackWeavingHook"/*>*
> >
> >         *<service>*
> >
> >
>  *<provide**interface=*/"org.osgi.framework.hooks.weaving.WeavingHook"/*/>*
> >
> >         *</service>*
> >
> >
>  
> *<implementation**class=*/"org.gap.eclipse.plugins.eclipseiconpacks.core.IconPackWeavingHook"/*/>*
> >
> >         *</scr:component>*
> >
> >
> >         My build.properties looks like this
> >
> >
> >         source.. = src/main/java/
> >
> >         output.. = target/classes/
> >
> >         bin.includes = plugin.xml,\
> >
> >                         META-INF/,\
> >
> >                         .,\
> >
> >                         icons/,\
> >
> >                         OSGI-INF/
> >
> >
> >         Manifest looks like this
> >
> >         *Manifest-Version**:*/1.0/
> >
> >         *Bundle-ManifestVersion**:*/2/
> >
> >         *Bundle-Name**:*/eclipse-icon-packs Core Plugin/
> >
> >
>  *Bundle-SymbolicName**:*/eclipse-icon-packs.core;//singleton/*:=*/true/
> >
> >         *Bundle-Version**:*/0.0.1.qualifier/
> >
> >
>  
> *Bundle-Activator**:*/org.gap.eclipse.plugins.eclipseiconpacks.core.Activator/
> >
> >         *Require-Bundle**:*/org.eclipse.core.runtime,/
> >
> >         / org.eclipse.osgi.services,/
> >
> >         / org.eclipse.equinox.region.source,/
> >
> >         / org.eclipse.equinox.weaving.hook.source/
> >
> >         *Bundle-RequiredExecutionEnvironment**:*/JavaSE-1.8/
> >
> >         *Bundle-ActivationPolicy**:*/lazy/
> >
> >
>  
> *Service-Component**:*/OSGI-INF/org.gap.eclipse.plugins.eclipseiconpacks.core.IconPackWeavingHook.xml/
> >
> >
>  *Export-Package**:*/org.gap.eclipse.plugins.eclipseiconpacks.core/
> >
> >         /
> >         /
> >         Gayan
> >
> >
> >
> >         On Sun, Oct 25, 2020 at 6:02 PM Dirk Fauth
> >         <dirk.fa...@googlemail.com <mailto:dirk.fa...@googlemail.com>>
> >         wrote:
> >
> >             Do you have pde ds annotations enabled? Because then the
> >             bundle activation policy should be lazy by default. And also
> >             the @Component annotation is processed correctly.
> >
> >             Gayan Perera <gayan...@gmail.com
> >             <mailto:gayan...@gmail.com>> schrieb am So., 25. Okt. 2020,
> >             17:59:
> >
> >                 Hi Wim,
> >
> >                 No the bundle is not getting started, i thought exposing
> >                 the service descriptor should start the bundle. But its
> >                 not getting started, i put a break point in
> >                 BundleActivator start method to see. It doesn't get hit.
> >
> >                 Gayan.
> >
> >                 On Sun, Oct 25, 2020 at 4:49 PM Wim Jongman
> >                 <wim.jong...@gmail.com <mailto:wim.jong...@gmail.com>>
> >                 wrote:
> >
> >                     Hi,
> >
> >                     Is the bundle started?
> >
> >                     Cheers,
> >
> >                     Wim
> >
> >                     On Sun, Oct 25, 2020 at 1:58 PM Gayan Perera
> >                     <gayan...@gmail.com <mailto:gayan...@gmail.com>>
> wrote:
> >
> >                         Hi,
> >
> >                         I’m trying to register a weavinghook using
> >                         services descriptors. I annotated my weavinghook
> >                         class with component annotation and inhave the
> >                         osgi folder with the service descriptor xml in
> >                         place. The osgi folder is included in
> >                         build.properties as well. But the weavinghook is
> >                         not getting called. Can someone guide me how to
> >                         get this working.
> >
> >                         My endgoal is to weave ImageDescriptor class to
> >                         support override bundle images.
> >
> >                         Best regards,
> >                         Gayan.
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