I was thinking about that as a possibility, but am trying to avoid that as
it will make my build process even worse.

I am going to contact members of the Android team to see if they can
suggest anything. I will respond with what they say.



On Mon, Nov 19, 2012 at 3:15 AM, Karl Pauls <[email protected]> wrote:

> I guess you have to patch the commons-logging jar and remove the classes
> already provided by android, no?
>
> regards,
>
> Karl
>
>
> On Mon, Nov 19, 2012 at 3:05 AM, Keith Hughes <[email protected]
> >wrote:
>
> > Karl,
> >
> > I thought I had this sorted, but apparently not.
> >
> > Part of the problem is that Android only supplies the Commons Logging Log
> > interface and nothing else. If I want/need any of the other classes from
> > the same package I am kinda doomed.
> >
> > I tried moving commons logging into the libs folder, but dx complains
> that
> > it has the same class twice, once from my jar and I guess once from the
> > Android runtime.
> >
> > Argh. Classloader problems are bad enough, but to have this as well.
> >
> >
> >
> > On Thu, Nov 1, 2012 at 2:31 AM, Karl Pauls <[email protected]> wrote:
> >
> > > Part of your problem is that android/davlik is not Java. It doesn't
> > > follow normal Java classloading rules. Where that bites us from an
> > > OSGi pov is that you can't just substitute providers. In your case,
> > > you might be able to get things to work by removing the imports of
> > > bundles to commons logging but typically the only way to make things
> > > work is to make sure you only have one provider of a given package --
> > > hence, I'd remove commons logging from all bundles and put it in the
> > > apk itself and have it bootdelegated.
> > >
> > > regards,
> > >
> > > Karl
> > >
> > > On Wed, Oct 31, 2012 at 11:05 PM, Keith Hughes <
> [email protected]>
> > > wrote:
> > > > Hi folks,
> > > >
> > > > I have an Android application based on Apache Felix. Everything works
> > > fine
> > > > when I run things on Linux, but as soon as I try moving to Android I
> > run
> > > > into a problem.
> > > >
> > > > My app uses Apache Commons Logging in all of its bundles. I have
> > > included a
> > > > bundle for Apache Commons Logging as a bundle as well.
> > > >
> > > > When the container starts up I get the following stack trace which
> > seems
> > > to
> > > > point out that it is accessing the org/apache/commons/logging/Log in
> > the
> > > > Android system libraries.
> > > > <
> > >
> >
> https://mail.google.com/mail/?view=cm&fs=1&tf=1&source=mailto&[email protected]
> > > >
> > > > 10-31 15:43:53.251: W/dalvikvm(5034): Class resolved by unexpected
> DEX:
> > > > Linterac
> > > >
> > >
> >
> tivespaces/configuration/FileSystemConfigurationStorageManager;(0x41747380):0x64
> > > > d0b000 ref [Lorg/apache/commons/logging/Log;]
> > > > Lorg/apache/commons/logging/Log;(0x417498d8):0x64d34000
> > > > 10-31 15:43:53.251: W/dalvikvm(5034):
> > > >
> > (Linteractivespaces/configuration/FileSystemConfigurationStorageManager;
> > > > had used a different Lorg/apache/commons/logging/Log; during
> > > > pre-verification)
> > > > 10-31 15:43:53.251: W/System.err(5034): Exception
> > > > bootstrap/interactivespaces-system-1.2.0.jar
> > > > 10-31 15:43:53.251: W/System.err(5034):
> > > org.osgi.framework.BundleException:
> > > > Activator start error in bundle interactivespaces.system [24].
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > > org.apache.felix.framework.Felix.activateBundle(Felix.java:2027)
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > > org.apache.felix.framework.Felix.startBundle(Felix.java:1895)
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > > org.apache.felix.framework.BundleImpl.start(BundleImpl.java:944)
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > > org.apache.felix.framework.BundleImpl.start(BundleImpl.java:931)
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.android.service.InteractiveSpacesFrameworkAndroidBootstrap.startBundle(InteractiveSpacesFrameworkAndroidBootstrap.java:188)
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.android.service.InteractiveSpacesFrameworkAndroidBootstrap.startBundles(InteractiveSpacesFrameworkAndroidBootstrap.java:173)
> > > > 10-31 15:43:53.251: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.android.service.InteractiveSpacesFrameworkAndroidBootstrap.boot(InteractiveSpacesFrameworkAndroidBootstrap.java:124)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.android.service.InteractiveSpacesService.onStartCommand(InteractiveSpacesService.java:67)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2490)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > android.app.ActivityThread.access$1900(ActivityThread.java:130)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > android.app.ActivityThread$H.handleMessage(ActivityThread.java:1292)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > android.os.Handler.dispatchMessage(Handler.java:99)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > android.os.Looper.loop(Looper.java:137)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > android.app.ActivityThread.main(ActivityThread.java:4745)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > java.lang.reflect.Method.invokeNative(Native Method)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > java.lang.reflect.Method.invoke(Method.java:511)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > dalvik.system.NativeStart.main(Native Method)
> > > > 10-31 15:43:53.261: W/System.err(5034): Caused by:
> > > > java.lang.IllegalAccessError: Class ref in pre-verified class
> resolved
> > to
> > > > unexpected implementation
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.configuration.FileSystemConfigurationStorageManager.loadConfigFile(FileSystemConfigurationStorageManager.java:105)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.configuration.FileSystemConfigurationStorageManager.startup(FileSystemConfigurationStorageManager.java:82)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.system.bootstrap.osgi.GeneralInteractiveSpacesSupportActivator.setupSystemConfiguration(GeneralInteractiveSpacesSupportActivator.java:315)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.system.bootstrap.osgi.GeneralInteractiveSpacesSupportActivator.setupSpaceEnvironment(GeneralInteractiveSpacesSupportActivator.java:216)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> interactivespaces.system.bootstrap.osgi.GeneralInteractiveSpacesSupportActivator.start(GeneralInteractiveSpacesSupportActivator.java:143)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > >
> > >
> >
> org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:645)
> > > > 10-31 15:43:53.261: W/System.err(5034):         at
> > > > org.apache.felix.framework.Felix.activateBundle(Felix.java:1977)
> > > > 10-31 15:43:53.261: W/System.err(5034):         ... 18 more
> > > >
> > > > I have tried experimenting with all of the legal values of the Bundle
> > > > Parent configuration property to no avail.
> > > >
> > > > How can I tell Felix to ignore Commons Logging from the system boot
> > path
> > > > and only use the one from the bundle?
> > >
> > >
> > >
> > > --
> > > Karl Pauls
> > > [email protected]
> > > http://twitter.com/karlpauls
> > > http://www.linkedin.com/in/karlpauls
> > > https://profiles.google.com/karlpauls
> > >
> > > ---------------------------------------------------------------------
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> > > For additional commands, e-mail: [email protected]
> > >
> > >
> >
>
>
>
> --
> Karl Pauls
> [email protected]
> http://twitter.com/karlpauls
> http://www.linkedin.com/in/karlpauls
> https://profiles.google.com/karlpauls
>

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