I also experienced the same yesterday and I thought it's because I've
installed some external bundles on my carbon instance. Looks like a bundle
ordering issue.

~Isuru

On Wed, Feb 29, 2012 at 12:31 PM, Thilina Buddhika <thili...@wso2.com>wrote:

> Hi Folks,
>
> I am experiencing this error time to time. But cannot reproduce it
> consistently. In the next restart, this error does not appear.
>
> [2012-02-29 12:26:39,763]  INFO
> {org.wso2.carbon.registry.core.internal.RegistryCoreServiceComponent} -
> Registry Mode    : READ-WRITE
> org.osgi.framework.BundleException: The activator
> org.wso2.identity.styles.internal.Activator for bundle
> org.wso2.identity.styles is invalid
>         at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:171)
>         at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)
>         at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
>         at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)
>         at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:291)
>         at
> org.eclipse.equinox.internal.simpleconfigurator.ConfigApplier.startBundles(ConfigApplier.java:307)
>         at
> org.eclipse.equinox.internal.simpleconfigurator.ConfigApplier.install(ConfigApplier.java:108)
>         at
> org.eclipse.equinox.internal.simpleconfigurator.SimpleConfiguratorImpl.applyConfiguration(SimpleConfiguratorImpl.java:129)
>         at
> org.eclipse.equinox.internal.simpleconfigurator.SimpleConfiguratorImpl.applyConfiguration(SimpleConfiguratorImpl.java:143)
>         at
> org.eclipse.equinox.internal.p2.reconciler.dropins.ProfileSynchronizer.applyConfiguration(ProfileSynchronizer.java:781)
>         at
> org.eclipse.equinox.internal.p2.reconciler.dropins.ProfileSynchronizer.synchronize(ProfileSynchronizer.java:134)
>         at
> org.eclipse.equinox.internal.p2.reconciler.dropins.Activator.synchronize(Activator.java:461)
>         at
> org.eclipse.equinox.internal.p2.reconciler.dropins.Activator.start(Activator.java:176)
>         at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
>         at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
>         at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
>         at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:389)
>         at
> org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1130)
>         at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
>         at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
>         at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
>         at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
>         at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
>         at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
>         at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>         at
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
> Caused by: java.lang.ClassNotFoundException:
> org.wso2.identity.styles.internal.Activator
>         at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
>         at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
>         at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
>         at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>         at
> org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
>         at
> org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
>         at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:164)
>         ... 27 more
> [2012-02-29 12:26:41,609]  INFO
> {org.wso2.carbon.core.init.CarbonServerManager} -  Starting Carbon
> initialization...
>
>
> Thanks,
> Thilina
>
> --
> Thilina Buddhika
> Associate Technical Lead
> WSO2 Inc. ; http://wso2.com
> lean . enterprise . middleware
>
> phone : +94 77 44 88 727
> blog : http://blog.thilinamb.com
>
> _______________________________________________
> Carbon-dev mailing list
> Carbon-dev@wso2.org
> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
>
>


-- 
Isuru Suriarachchi
Technical Lead
WSO2 Inc. http://wso2.com
email : is...@wso2.com
blog : http://isurues.wordpress.com/

lean . enterprise . middleware
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