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Re: [ecf-dev] NoClassDefFoundError when using Remote Services
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Hi Peter,
This looks like the org.eclipse.ecf.remoteservice bundle is not present
in the runtime (trying to load the class
org/eclipse/ecf/remoteservice/RemoteServiceID causing a
NoClassDefFoundError).
Scott
org/eclipse/ecf/remoteservice/RemoteServiceIDOn 10/18/2010 12:41 PM, Peter Lauri wrote
I'm trying to create my first Remote Service. Below is the activator that I'm using. When I try to start the bundle I get the error as per the log. I tried to google, but no success. Any suggestions?
package com.nsn.playground.osgi.dosgiserver;
import org.eclipse.ecf.core.ContainerFactory;
import org.eclipse.ecf.core.IContainer;
import org.eclipse.ecf.core.IContainerManager;
import org.eclipse.ecf.remoteservice.IRemoteServiceContainerAdapter;
import org.eclipse.ecf.remoteservice.IRemoteServiceRegistration;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
import com.nsn.playground.osgi.dosgiinterface.RandomNumberServer;
public class ServerActivator implements BundleActivator {
private BundleContext context;
private ServiceTracker containerManagerServiceTracker;
private IContainer container;
private IRemoteServiceRegistration serviceRegistration;
// private ServiceRegistration registration;
public void start(BundleContext context) throws Exception {
this.context = context;
// Setting up R-OSGI container
IContainerManager containerManager = getContainerManagerService();
container = ContainerFactory.getDefault().createContainer("ecf.r_osgi.peer");
// Registering the service
IRemoteServiceContainerAdapter containerAdapter = (IRemoteServiceContainerAdapter) container.getAdapter(IRemoteServiceContainerAdapter.class);
serviceRegistration = containerAdapter.registerRemoteService(new String[] { RandomNumberServer.class.getName() }, new RandomNumberServerImpl(),
null);
System.out.println("RandomNumberServer service registered.");
}
public void stop(BundleContext context) throws Exception {
if (serviceRegistration != null) {
serviceRegistration.unregister();
serviceRegistration = null;
}
if (container != null) {
container.disconnect();
container = null;
}
if (containerManagerServiceTracker != null) {
containerManagerServiceTracker.close();
containerManagerServiceTracker = null;
}
this.context = null;
}
private IContainerManager getContainerManagerService() {
if (containerManagerServiceTracker == null) {
containerManagerServiceTracker = new ServiceTracker(context, IContainerManager.class.getName(), null);
containerManagerServiceTracker.open();
}
return (IContainerManager) containerManagerServiceTracker.getService();
}
}
///// osgi console
osgi> ss
Framework is launched.
id State Bundle
0 ACTIVE org.eclipse.osgi_3.5.1.R35x_v20090827
1 ACTIVE org.eclipse.ecf.remoteservice_1.0.0.v20070627-1030
13 ACTIVE org.eclipse.equinox.common_3.5.1.R35x_v20090807-1100
14 ACTIVE org.eclipse.equinox.registry_3.4.100.v20090520-1800
15 ACTIVE org.eclipse.ecf.identity_3.0.0.v20090831-1906
16 ACTIVE org.eclipse.osgi.services_3.2.0.v20090520-1800
18 ACTIVE org.eclipse.core.runtime_3.5.0.v20090525
19 ACTIVE org.eclipse.core.jobs_3.4.100.v20090429-1800
20 ACTIVE org.eclipse.equinox.preferences_3.2.300.v20090520-1800
21 ACTIVE org.eclipse.core.contenttype_3.4.1.R35x_v20090826-0451
22 ACTIVE org.eclipse.equinox.app_1.2.0.v20090520-1800
23 ACTIVE ch.ethz.iks.r_osgi.service_discovery.slp_1.0.0.RC4
24 ACTIVE ch.ethz.iks.r_osgi.remote_1.0.0.RC4
26 ACTIVE ch.ethz.iks.slp_1.0.0.RC5
27 ACTIVE com.nsn.playground.osgi.dosgi-interface_1.0.0
29 ACTIVE org.eclipse.ecf.provider.r_osgi_3.1.0.v20100913-1814
30 ACTIVE org.eclipse.ecf_3.1.0.v20100913-1814
31 ACTIVE org.eclipse.ecf.provider_3.0.0.v20100913-1814
32 ACTIVE org.eclipse.ecf.sharedobject_2.2.100.v20100913-1814
33 ACTIVE org.eclipse.equinox.concurrent_1.0.100.v20100503
35 RESOLVED com.nsn.playground.osgi.dosgi-server_1.0.0
osgi> start 35
org.osgi.framework.BundleException: Exception in com.nsn.playground.osgi.dosgiserver.ServerActivator.start() of bundle com.nsn.playground.osgi.dosgi-server.
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:806)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:280)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:272)
at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:253)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:155)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:303)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:288)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:224)
at java.lang.Thread.run(Thread.java:637)
Caused by: java.lang.NoClassDefFoundError: org/eclipse/ecf/remoteservice/RemoteServiceID
at org.eclipse.ecf.provider.r_osgi.identity.R_OSGiRemoteServiceNamespace.createInstance(R_OSGiRemoteServiceNamespace.java:30)
at org.eclipse.ecf.core.identity.IDFactory.createID(IDFactory.java:267)
at org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.createRemoteServiceID(R_OSGiRemoteServiceContainer.java:352)
at org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:410)
at com.nsn.playground.osgi.dosgiserver.ServerActivator.start(ServerActivator.java:31)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
... 13 more
Nested Exception:
java.lang.NoClassDefFoundError: org/eclipse/ecf/remoteservice/RemoteServiceID
at org.eclipse.ecf.provider.r_osgi.identity.R_OSGiRemoteServiceNamespace.createInstance(R_OSGiRemoteServiceNamespace.java:30)
at org.eclipse.ecf.core.identity.IDFactory.createID(IDFactory.java:267)
at org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.createRemoteServiceID(R_OSGiRemoteServiceContainer.java:352)
at org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:410)
at com.nsn.playground.osgi.dosgiserver.ServerActivator.start(ServerActivator.java:31)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:280)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:272)
at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:253)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:155)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:303)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:288)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:224)
at java.lang.Thread.run(Thread.java:637)
Nested Exception:
java.lang.NoClassDefFoundError: org/eclipse/ecf/remoteservice/RemoteServiceID
at org.eclipse.ecf.provider.r_osgi.identity.R_OSGiRemoteServiceNamespace.createInstance(R_OSGiRemoteServiceNamespace.java:30)
at org.eclipse.ecf.core.identity.IDFactory.createID(IDFactory.java:267)
at org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.createRemoteServiceID(R_OSGiRemoteServiceContainer.java:352)
at org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:410)
at com.nsn.playground.osgi.dosgiserver.ServerActivator.start(ServerActivator.java:31)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:280)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:272)
at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:253)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:155)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:303)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:288)
at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:224)
at java.lang.Thread.run(Thread.java:637)
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