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Re: [equinox-dev] is this a service tracker bug?

I see - It's in an IllegalState until you refresh

On 25/01/2008, Mark < javamark@xxxxxxxxx> wrote:
Try adding:

Import-Package: bundlea.service

to the Bundle A manifest.

=========================================================
I just tried the suggestion above - but it blows up?

Framework is launched.

id    State       Bundle
0    ACTIVE      org.eclipse.osgi_3.3.1.R33x_v20070828
1    ACTIVE      bundleA_1.0.0
2    ACTIVE      bundleB_1.0.0

osgi> stop 1
removedService

osgi> update 1

osgi> ss

Framework is launched.

id    State       Bundle
0    ACTIVE      org.eclipse.osgi_3.3.1.R33x_v20070828
1    INSTALLED   bundleA_1.0.0
2    ACTIVE      bundleB_1.0.0

osgi> start 1
org.osgi.framework.BundleException: Exception in bundlea.Activator.start() of bundle bundleA.
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:1018)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:974)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:346)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:260)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:252)
    at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:260)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:150)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:291)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:276)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:218)
    at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.IllegalStateException: The state indicates the bundle is resolved
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.getResolutionFailureMessage(AbstractBundle.java:1376)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:305)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:260)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:400)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:111)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:340)
    at org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:37)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:396)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:369)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:357)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at bundlea.Activator.start(Activator.java:12)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:999)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:993)
    ... 14 more
Nested Exception:
java.lang.IllegalStateException: The state indicates the bundle is resolved
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.getResolutionFailureMessage(AbstractBundle.java:1376)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:305)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:260)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:400)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:111)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:340)
    at org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:37)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:396)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:369)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:357)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at bundlea.Activator.start(Activator.java:12)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:999)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:993)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:974)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:346)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:260)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:252)
    at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:260)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:150)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:291)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:276)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:218)
    at java.lang.Thread.run(Thread.java:595)
Nested Exception:
java.lang.IllegalStateException: The state indicates the bundle is resolved
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.getResolutionFailureMessage(AbstractBundle.java:1376)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:305)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:260)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:400)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:111)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:340)
    at org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:37)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:396)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:369)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:357)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at bundlea.Activator.start(Activator.java:12)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:999)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:993)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:974)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:346)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:260)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:252)
    at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:260)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:150)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:291)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:276)
    at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:218)
    at java.lang.Thread.run(Thread.java:595)



On 25/01/2008, BJ Hargrave < hargrave@xxxxxxxxxx> wrote:

Try adding:

Import-Package: bundlea.service

to the Bundle A manifest.

Then when bundle A is updated to A', A' will import the package from A which is where bundle B is importing it. So bundle B can "see" the service from A' since it implements the interface from A. (This follows from Tom Watson's explanation.)

See http://www.osgi.org/blog/2007/04/importance-of-exporting-nd-importing.html
--

BJ Hargrave
Senior Technical Staff Member, IBM
OSGi Fellow and CTO of the
OSGi Alliance
hargrave@xxxxxxxxxx

office: +1 386 848 1781
mobile: +1 386 848 3788





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