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RE: [equinox-dev] Declarative Services exception

Thanks Simon. We will look into this. I was told by a colleague that we do, indeed, have a .log file that is generated and it did have this exception logged in it.

 

  - Chris

 

 
 
 
 
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From: equinox-dev-bounces@xxxxxxxxxxx [mailto:equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Simon J Archer
Sent: Thursday, July 24, 2008 10:07 AM
To: Equinox development mailing list
Cc: Equinox development mailing list; equinox-dev-bounces@xxxxxxxxxxx
Subject: Re: [equinox-dev] Declarative Services exception

 


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>
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07/24/2008 09:46 AM

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[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)

 

 
 
 
 
THIS MESSAGE IS INTENDED FOR THE USE OF THE PERSON TO WHOM IT IS ADDRESSED. IT MAY CONTAIN INFORMATION THAT IS PRIVILEGED, CONFIDENTIAL AND EXEMPT FROM DISCLOSURE UNDER APPLICABLE LAW. If you are not the intended recipient, your use of this message for any purpose is strictly prohibited. If you have received this communication in error, please delete the message and notify the sender so that we may correct our records.
 
 
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