Hi Hermann Make sure you manipulate your bundles with the latest ipojo manipulator (1.11.0) (there are ant, maven and bnd extension available).
--G 2014/1/6 Hermann Matthes <[email protected]> > Hello Clement, > thnaks a lot for the quick answer. > When I set the LogServervice to optional and reinstall the module, I get > the following log error meeesage during "start": > > 2014-01-06 15:19:34,517 | ERROR | pool-1-thread-1 | server > | ? ? | 96 - server - > 1.0.0.SNAPSHOT | [ERROR] : [de.hermannmatthes.workbench.server.ServerImpl-0] > createInstance -> The POJO constructor invocation failed : Expecting a > stackmap frame at branch target 12 in method > de.hermannmatthes.workbench.server.ServerImpl.start()V > at offset 4 > java.lang.VerifyError: Expecting a stackmap frame at branch target 12 in > method de.hermannmatthes.workbench.server.ServerImpl.start()V at offset 4 > at java.lang.Class.getDeclaredConstructors0(Native Method)[:1.7.0_07] > at java.lang.Class.privateGetDeclaredConstructors > (Class.java:2404)[:1.7.0_07] > at java.lang.Class.getConstructor0(Class.java:2714)[:1.7.0_07] > at java.lang.Class.getDeclaredConstructor(Class.java:2002)[:1.7.0_07] > at org.apache.felix.ipojo.InstanceManager.createObject( > InstanceManager.java:715)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.InstanceManager.getPojoObject( > InstanceManager.java:923)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.handlers.lifecycle.callback. > LifecycleCallbackHandler.__M_stateChanged(LifecycleCallbackHandler.java: > 156)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.handlers.lifecycle.callback. > LifecycleCallbackHandler.stateChanged(LifecycleCallbackHandler.java) > [84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.InstanceManager.setState( > InstanceManager.java:536)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.InstanceManager.start( > InstanceManager.java:418)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.ComponentFactory.createInstance( > ComponentFactory.java:179)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.IPojoFactory.createComponentInstance( > IPojoFactory.java:319)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.IPojoFactory.createComponentInstance( > IPojoFactory.java:240)[84:org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.extender.internal.linker. > ManagedType$InstanceSupport$1.call(ManagedType.java:312)[84: > org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.extender.internal.linker. > ManagedType$InstanceSupport$1.call(ManagedType.java:306)[84: > org.apache.felix.ipojo:1.11.0] > at org.apache.felix.ipojo.extender.internal.queue. > JobInfoCallable.call(JobInfoCallable.java:114)[84: > org.apache.felix.ipojo:1.11.0] > at java.util.concurrent.FutureTask$Sync.innerRun( > FutureTask.java:334)[:1.7.0_07] > at java.util.concurrent.FutureTask.run(FutureTask.java:166)[:1.7.0_07] > at java.util.concurrent.ThreadPoolExecutor.runWorker( > ThreadPoolExecutor.java:1110)[:1.7.0_07] > at java.util.concurrent.ThreadPoolExecutor$Worker.run( > ThreadPoolExecutor.java:603)[:1.7.0_07] > at java.lang.Thread.run(Thread.java:722)[:1.7.0_07] > 2014-01-06 15:19:34,517 | ERROR | pool-1-thread-1 | server > | ? ? | 96 - server - > 1.0.0.SNAPSHOT | [ERROR] de.hermannmatthes.workbench.server.ServerImpl : > Cannot create a POJO instance, the POJO constructor invocation has thrown > an exception > > Does anybody know what's the reason for that error? > > Hermann > > Am 06.01.2014 07:42, schrieb Clement Escoffier: > > Hi, >> >> On 5 janv. 2014, at 20:07, Hermann Matthes <[email protected]> >> wrote: >> >> Hello everybody, >>> I try to learn ipojo to implement a simple server using Netbeans 7.4 and >>> Apache Karaf. >>> >>> My first goal is to write a really simple server which just prints a >>> message when it's activated or deactivated. No tutorial which I found gave >>> enough information to perform such a simple task. >>> >>> Here's my code: >>> >>> The server interface: >>> >>> package de.hermannmatthes.workbench.server; >>> public interface Server { >>> public void start(); >>> public void stop(); >>> } >>> >>> The server implementation: >>> >>> package de.hermannmatthes.workbench.server; >>> >>> import java.io.FileWriter; >>> import java.io.IOException; >>> import java.util.logging.Level; >>> import java.util.logging.Logger; >>> import org.apache.felix.ipojo.annotations.Component; >>> import org.apache.felix.ipojo.annotations.Instantiate; >>> import org.apache.felix.ipojo.annotations.Invalidate; >>> import org.apache.felix.ipojo.annotations.Requires; >>> import org.apache.felix.ipojo.annotations.Validate; >>> import org.osgi.service.log.LogService; >>> >>> @Component(immediate=true) >>> @Instantiate >>> public class ServerImpl implements Server { >>> >>> @Requires(policy="static") >>> private LogService log; >>> @Override >>> @Validate >>> public void start() { >>> trace("Starting workbench server, log is " + log); >>> log.log(LogService.LOG_INFO, "Starting workbench server."); >>> } >>> @Override >>> @Invalidate >>> public void stop() { >>> trace("Stopping workbench server, log is " + log); >>> log.log(LogService.LOG_INFO, "Stopping workbench server."); >>> } >>> private void trace(final String msg) { >>> FileWriter w = null; >>> try { >>> w = new FileWriter("C:/temp/test.log", true); >>> w.write(msg + "\n"); >>> } catch (IOException ex) { >>> Logger.getLogger(ServerImpl.class.getName()).log(Level.SEVERE, >>> null, ex); >>> } >>> finally { >>> if (w!=null) { >>> try { >>> w.close(); >>> } catch (IOException ex) { >>> Logger.getLogger(ServerImpl. >>> class.getName()).log(Level.SEVERE, null, ex); >>> } >>> } >>> } >>> } >>> } >>> >>> If I install the module in karaf and resolve it, everything's fine. But >>> when I start it, its state changes to Active but nothing happens. In the >>> attachment you find my project file. >>> >>> Can someone tell me whats wrong with my code? >>> >> Is the log service available ? Try to set it ‘optional’ (optional=true). >> >> Regards, >> >> Clement >> >> Any hint is welcome >>> Hermann >>> <pom.xml> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [email protected] >>> For additional commands, e-mail: [email protected] >>> >> >> >
