The implementation is not in the host. The implementation is in a further bundle. I seperated the service interface and the host application and want to load the service interface bundle as a normal OSGiBundle
felix Am 10/7/2010 4:51 PM, schrieb Richard S. Hall: > On 10/7/10 6:02, Felix Schmidt wrote: >> Thanks for this hint, I moved packageXY to another bundle. The next >> problem is that my implementation and the interface could not be cast >> into each other. >> >> ERROR: EventDispatcher: Error during dispatch. >> (java.lang.ClassCastException: implementationXY cannot be cast to >> serviceInterfaceXY) > > If your implementation is in the host, then yes, that won't work. Just > like the doc I pointed you to mentions, if you need to communicate > between the host and the bundles, then you likely will have to put your > shared API on the class path, unless you want to use reflection. > > -> richard > >> Thank you >> felix >> >> >> Am 10/7/2010 8:29 AM, schrieb Michael Hess: >>> Hi Felix, >>> >>> just an idea, but I think you should move packageXY into another bundle, >>> as this might actually be a very good opportunity to get a "feel" for >>> how the wiring of the classpath's between bundles works. >>> >>> Just my .02 >>> >>> Michael >>> >>> >>>> thank you very much. >>>> It works :) >>>> >>>> >>>> >>>> Am 10/6/2010 11:52 PM, schrieb Richard S. Hall: >>>>> On 10/6/10 17:44, Felix Schmidt wrote: >>>>>>>> I wrote a simple host application. This host application embedds >>> the >>>>>>>> felix framework. If I run it and deploy a external bundle which >>> should >>>>>>>> implement a service I get the following exception >>>>>>>> >>>>>>>> DEBUG: No viable candidates >>>>>>>> (org.apache.felix.framework.resolver.ResolveException: Unable to >>>>>>>> resolve >>>>>>>> 1.0: missing requirement [1.0] package; (package=packageXY)) >>>>>>>> ERROR: Error starting file:filename.jar >>>>>>>> (org.osgi.framework.BundleException: Unresolved constraint in >>> bundle >>>>>>>> bundleName [1]: Unable to resolve 1.0: missing requirement [1.0] >>>>>>>> package; (package=packageXY)) >>>>>>>> org.osgi.framework.BundleException: Unresolved constraint in bundle >>>>>>>> bundleName [1]: Unable to resolve 1.0: missing requirement [1.0] >>>>>>>> package; (package=packageXY) >>>>>>>> at >>> org.apache.felix.framework.Felix.resolveBundle(Felix.java:3409) >>>>>>>> at >>> org.apache.felix.framework.Felix.startBundle(Felix.java:1709) >>>>>>>> at >>>>>>>> >>> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1143) >>>>>>>> at >>>>>>>> >>> org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264) >>>>>>>> at java.lang.Thread.run(Thread.java:717) >>>>>>>> >>>>>>>> >>>>>>>> Could any body helps me? >>>>>>> Is there another bundle installed in the framework that exports >>>>>>> pacakgeXY? >>>>>> Yes. The host application has the package included and a Activator. >>>>>> Maybe here is the problem with the embedded felix and the exported >>>>>> package. >>>>> If you want to export a package from the host, you need to add it to >>> the >>>>> org.osgi.framework.system.packages.extra property...read this: >>>>> >>>>> >>>>> >>> http://felix.apache.org/site/apache-felix-framework-launching-and-embedding.html >>> >>> >>>>> >>>>> -> richard >>>>> >>>>>> Thank you >>>>>> Felix >>>>>> >>>>>> --------------------------------------------------------------------- >>>>>> To unsubscribe, e-mail: [email protected] >>>>>> For additional commands, e-mail: [email protected] >>>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: [email protected] >>>>> For additional commands, e-mail: [email protected] >>>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: [email protected] >>>> For additional commands, e-mail: [email protected] >>>> >>> >>> The information included in this e-mail and any files transmitted >>> with it is strictly confidential and may be privileged or otherwise >>> protected from disclosure. If you are not the intended recipient, >>> please notify the sender immediately by e-mail and delete this e-mail >>> as well as any attachment from your system. If you are not the >>> intended recipient you are not authorized to use and/or copy this >>> message and/or attachment and/or disclose the contents to any other >>> person. >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
