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Re: [ecf-dev] R-OSGi NullPointerException
|
Hi Markus,
I'm sorry I started SLP and JmDNS together, but I did of course only
wanted one discovery provider running. But the Exception does still come
from SLP! The following error is also still with JmDNS:
[log;+0100 2010.11.28
14:57:05:814;ERROR;org.eclipse.ecf.osgi.services.distribution;org.eclipse.core.runtime.Status[plugin=org.eclipse.ecf.osgi.services.distribution;code=4;message=org.eclipse.ecf.internal.osgi.services.distribution.DiscoveredServiceTrackerImpl:registerRemoteServiceReferences:Remote
service is null for remote reference
RemoteServiceReference[remoteServiceID=org.eclipse.ecf.remoteservice.RemoteServiceID[containerID=r-osgi://jumper:9280;containerRelativeID=60];ref=RemoteServiceReference{r-osgi://jumper:9280#60-[devsosgi.Node]}];severity4;exception=null;children=[]]]
Exception in thread "r-OSGi ChannelWorkerThread0"
java.lang.NullPointerException
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl.handleMessage(ChannelEndpointImpl.java:1076)
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl$2.run(ChannelEndpointImpl.java:288)
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl$1.run(ChannelEndpointImpl.java:253)
[log;+0100 2010.11.28
14:57:08:528;ERROR;org.eclipse.ecf.osgi.services.distribution;org.eclipse.core.runtime.Status[plugin=org.eclipse.ecf.osgi.services.distribution;code=4;message=org.eclipse.ecf.internal.osgi.services.distribution.DiscoveredServiceTrackerImpl:handleDiscoveredServiceAvailable:getRemoteServiceReferences
result is empty. containerHelper=RemoteServiceContainer
[containerID=r-osgi://jumper:9279,
container=org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer@303ec561,
containerAdapter=org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer@303ec561]remoteReferences=null;severity4;exception=null;children=[]]]
Am 27.11.2010 14:05, schrieb Martin Petzold:
Hi Markus,
Am 26.11.2010 09:28, schrieb Markus Alexander Kuppe:
On 11/25/2010 04:45 PM, Martin Petzold wrote:
Hi folks,
I use ECF (3.4.0.v20101029-1626) and R-OSGi as distribution provider
and
start two instances of my node component (each an osgi instance) on THE
SAME machine quickly after each other. I get the following
Exception. If
I wait about perhaps 10sec. there is no problem.
!ENTRY org.eclipse.osgi 4 0 2010-11-25 16:36:14.600
!MESSAGE An unexpected runtime error has occurred.
!STACK 0
java.lang.NullPointerException
at
ch.ethz.iks.r_osgi.impl.RemoteOSGiServiceImpl$3.modifiedService(RemoteOSGiServiceImpl.java:556)
at
org.osgi.util.tracker.ServiceTracker$Tracked.customizerModified(ServiceTracker.java:909)
at
org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:237)
at
org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:840)
at
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:933)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
at
org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:149)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:756)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:711)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.setProperties(ServiceRegistrationImpl.java:171)
at
org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:370)
at
org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:342)
at
org.eclipse.ecf.internal.osgi.services.distribution.EventHookImpl.handleRegisteredServiceEvent(EventHookImpl.java:126)
at
org.eclipse.ecf.internal.osgi.services.distribution.EventHookImpl.event(EventHookImpl.java:65)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyEventHooksPrivileged(ServiceRegistry.java:1143)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:743)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:711)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:206)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:507)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:525)
at
devsosgi.simulator.atomic.AtomicComponentTracker.addingService(AtomicComponentTracker.java:41)
at
org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:896)
at
org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:261)
at
org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:233)
at
org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:840)
at
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:933)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
at
org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:149)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:756)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:711)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:206)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:507)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:525)
at devsosgi.model.processor.Activator.start(Activator.java:25)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:374)
at
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1067)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:561)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:546)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:459)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:440)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
at
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:337)
The problem still does occur sometimes, I can't really reproduce it.
do you use any discovery provider?
Discovery Provider is SLP (ch.ethz.iks.slp,
org.eclipse.ecf.provider.jmdns and org.eclipse.ecf.provider.jslp
started).
Is there log output on the console? What kind of service are you
trying to remote?
On the Controller side (Controller bundle, separate OSGi framework
instance) I listen to a Node service (my own Interface) and a
Simulator service (my own Interface) via ServiceTracker (two separate
ones). Output is:
------------------------------
osgi> No support for IPv6 in jSLP yet (see
https://bugs.eclipse.org/328074), skipping interface...
No support for IPv6 in jSLP yet (see https://bugs.eclipse.org/328074),
skipping interface...
No support for IPv6 in jSLP yet (see https://bugs.eclipse.org/328074),
skipping interface...
[log;+0100 2010.11.27
13:43:46:410;INFO;org.eclipse.ecf.remoteservice;org.eclipse.core.runtime.Status[plugin=org.eclipse.ecf.remoteservice;code=0;message=No
async remote service interface found with name=devsosgi.NodeAsync for
proxy service class=devsosgi.Node;severity2;exception=null;children=[]]]
[27.11.2010 13:43:46][devsosgi.controller.gui.panels.node.NodeTracker]
INFO : Node 5bff5153-d5de-4c90-9fb0-cab2c1eb72bf has been registered!
[log;+0100 2010.11.27
13:43:48:927;ERROR;org.eclipse.ecf.osgi.services.distribution;org.eclipse.core.runtime.Status[plugin=org.eclipse.ecf.osgi.services.distribution;code=4;message=org.eclipse.ecf.internal.osgi.services.distribution.DiscoveredServiceTrackerImpl:handleDiscoveredServiceAvailable:getRemoteServiceReferences
result is empty. containerHelper=RemoteServiceContainer
[containerID=r-osgi://jumper:9278,
container=org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer@2e19fc25,
containerAdapter=org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer@2e19fc25]remoteReferences=null;severity4;exception=null;children=[]]]
[log;+0100 2010.11.27
13:43:51:490;ERROR;org.eclipse.ecf.osgi.services.distribution;org.eclipse.core.runtime.Status[plugin=org.eclipse.ecf.osgi.services.distribution;code=4;message=org.eclipse.ecf.internal.osgi.services.distribution.DiscoveredServiceTrackerImpl:registerRemoteServiceReferences:Remote
service is null for remote reference
RemoteServiceReference[remoteServiceID=org.eclipse.ecf.remoteservice.RemoteServiceID[containerID=r-osgi://jumper:9279;containerRelativeID=63];ref=RemoteServiceReference{r-osgi://jumper:9279#63-[devsosgi.simulator.Simulator]}];severity4;exception=null;children=[]]]
------------------------------
On the Node side (Node bundle, separate OSGi framework instance) I
listen to a Component service (in the lokal framework instance) via
ServiceTracker and register for each a remote Simulator services
instance. As this is automatically via the addingService() of the
ServiceTracker for the Components it occurs very shortly after each
other (because i start up with two Components at start level 2).
Output (+ the already mentioned Exception!):
------------------------------
osgi> WARNING: Port 9278 already in use. This instance of R-OSGi is
running on port 9279
No support for IPv6 in jSLP yet (see https://bugs.eclipse.org/328074),
skipping interface...
No support for IPv6 in jSLP yet (see https://bugs.eclipse.org/328074),
skipping interface...
No support for IPv6 in jSLP yet (see https://bugs.eclipse.org/328074),
skipping interface...
[27.11.2010
13:43:42][devsosgi.simulator.atomic.AtomicComponentTracker] INFO :
devsosgi.model.processor.Processor -> Creating simulator.
!SESSION 2010-11-27 13:43:41.100
-----------------------------------------------
eclipse.buildId=unknown
java.version=1.6.0_20
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE
Command-line arguments: -dev
file:[...]/workspace/.metadata/.plugins/org.eclipse.pde.core/DEVSOSGiNode/dev.properties
-os win32 -ws win32 -arch x86_64 -consoleLog -console -clean
------------------------------
Sometimes there is also this Exception:
------------------------------
[log;+0100 2010.11.27
13:35:12:360;INFO;org.eclipse.ecf.osgi.services.discovery;org.eclipse.core.runtime.Status[plugin=org.eclipse.ecf.osgi.services.discovery;code=1;message=serviceDiscovered:ignoring
loopback ServiceReference:
ServiceID[type=ServiceTypeID[typeName=_osgiservices._tcp.default._iana];location=osgiservices://192.168.0.104:9279/svc_1v+IgIQSdwWVEwvmNle+PwwYEIU=;full=_osgiservices._tcp.default._iana@osgiservices://192.168.0.104:9279/svc_1v+IgIQSdwWVEwvmNle+PwwYEIU=];severity1;exception=null;children=[]]]
Exception in thread "r-OSGi ChannelWorkerThread0"
java.lang.NullPointerException
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl.populateLease(ChannelEndpointImpl.java:1375)
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl.handleMessage(ChannelEndpointImpl.java:1025)
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl$2.run(ChannelEndpointImpl.java:288)
at
ch.ethz.iks.r_osgi.impl.ChannelEndpointImpl$1.run(ChannelEndpointImpl.java:253)
------------------------------
Martin
--
Martin Petzold
Martinsfeld 14
D-50676 Köln
Deutschland
Telefon: +49 (0)221 / 2595961
Mobil: +49 (0)179 / 9220154
Blog: www.zetablog.de