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Re: [equinox-dev] Declarative Services exception
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Hi Chris
I would suggest installing the Equinox
log service bundle org.eclipse.equinox.log. The SCR will log exceptions
such as these to the LogService, if available. Since the LogService
is purely a message-sink, you'll either have to add a LogListener to the
LogReaderService to dump log events to the console, or simply use the Equinox
OSGi console's "log" command to do that for you. The downside
of the "log" command is that it simply dumps the entire contents
of the LogService's internal buffer (by default 100 entries), which might
mean that you will miss important messages if the application is particularly
noisy.
Good luck,
Simon
"Chris Hopkins"
<chopkins@xxxxxxx>
Sent by: equinox-dev-bounces@xxxxxxxxxxx
07/24/2008 09:46 AM
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Subject
| [equinox-dev] Declarative Services exception |
|
Hi –
We are using DS for our project and have
run into a situation where an exception is being swallowed somewhere and
we only see it when we turn tracing on for the OSGi jar in our run configuration.
Included below is an example of the exception that is happening within
the constructor of our service. Is there a way to surface these exceptions
without resorting to turning on tracing.
Thanks,
Chris
GenerateScenarioCommandComponentName
Service Registration.getService() exception: Exception occured while creating
new instance of component GenerateScenarioCommandComponentName
org.osgi.service.component.ComponentException: Exception occured while
creating new instance of component GenerateScenarioCommandComponentName
at org.eclipse.equinox.ds.model.ServiceComponent.createInstance(ServiceComponent.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:229)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:282)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:373)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:379)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:379)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:373)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.InstanceProcess.buildComponents(InstanceProcess.java:113)
at org.eclipse.equinox.ds.Resolver.performWork(Resolver.java:627)
at org.eclipse.equinox.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:593)
at org.eclipse.equinox.ds.WorkThread.run(WorkThread.java:84)
at org.eclipse.equinox.util.impl.tpt.threadpool.Executor.run(Executor.java:84)
Caused by: java.lang.NullPointerException
at com.draper.jaguar.metronome.command.scenariobuilder.ScenarioBuilderCommand.getJaguarDocument(ScenarioBuilderCommand.java:71)
at com.draper.jaguar.metronome.command.scenariobuilder.GenerateScenarioCommand.<init>(GenerateScenarioCommand.java:52)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.eclipse.equinox.ds.model.ServiceComponent.createInstance(ServiceComponent.java:211)
... 60 more
Nested Exception:
java.lang.NullPointerException
at com.draper.jaguar.metronome.command.scenariobuilder.ScenarioBuilderCommand.getJaguarDocument(ScenarioBuilderCommand.java:71)
at com.draper.jaguar.metronome.command.scenariobuilder.GenerateScenarioCommand.<init>(GenerateScenarioCommand.java:52)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.eclipse.equinox.ds.model.ServiceComponent.createInstance(ServiceComponent.java:211)
at org.eclipse.equinox.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:229)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:282)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:373)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:379)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:379)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.ServiceReg.getService(ServiceReg.java:51)
at org.eclipse.osgi.framework.internal.core.ServiceUse$1.run(ServiceUse.java:108)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.ServiceUse.getService(ServiceUse.java:106)
at org.eclipse.osgi.framework.internal.core.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:345)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:884)
at org.eclipse.equinox.ds.InstanceProcess.getService(InstanceProcess.java:492)
at org.eclipse.equinox.ds.model.ComponentReference.getMethod(ComponentReference.java:115)
at org.eclipse.equinox.ds.model.ComponentReference.bind(ComponentReference.java:215)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:373)
at org.eclipse.equinox.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:196)
at org.eclipse.equinox.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:294)
at org.eclipse.equinox.ds.InstanceProcess.buildComponent(InstanceProcess.java:435)
at org.eclipse.equinox.ds.InstanceProcess.buildComponents(InstanceProcess.java:113)
at org.eclipse.equinox.ds.Resolver.performWork(Resolver.java:627)
at org.eclipse.equinox.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:593)
at org.eclipse.equinox.ds.WorkThread.run(WorkThread.java:84)
at org.eclipse.equinox.util.impl.tpt.threadpool.Executor.run(Executor.java:84)
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