[equinox-dev] Declarative Services exception

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[equinox-dev] Declarative Services exception

From: "Chris Hopkins" <chopkins@xxxxxxx>
Date: Thu, 24 Jul 2008 09:46:42 -0400
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Thread-topic: 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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