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https://issues.apache.org/jira/browse/FELIX-3836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clement Escoffier closed FELIX-3836.
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> NPE when calling InstanceDescription.getDescription() ; //
> HandlerDescription is missing for
> org.apache.felix.ipojo.handlers.event:subscriber handler
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: FELIX-3836
> URL: https://issues.apache.org/jira/browse/FELIX-3836
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Reporter: Jérémy Cazaux
> Assignee: Clement Escoffier
> Fix For: ipojo-runtime-1.12.1
>
> Attachments: bug.png
>
>
> java.lang.NullPointerException
> at
> org.apache.felix.ipojo.architecture.InstanceDescription.getDescription(InstanceDescription.java:164)
> at
> org.apache.felix.ipojo.PrimitiveInstanceDescription.getDescription(PrimitiveInstanceDescription.java:165)
> NPE when executing this line in the InstanceDescription :
> instance.addElement(m_handlers[i].getHandlerInfo());
> My component has 4 handlers : [org.ow2.jonas.ipojo.interceptor:interceptor,
> org.apache.felix.ipojo:provides,
> org.apache.felix.ipojo.handlers.event:subscriber,
> org.apache.felix.ipojo:architecture]
> cazauxj@jonas$ inspect service capability 103
> JOnAS :: Services :: JOnAS report :: Extensions :: Deployables (103) provides
> services:
> ---------------------------------------------------------------------------------------
> component.class =
> org.ow2.jonas.report.extensions.deployables.internal.DeployablesReportExtension
> component.description = factory name="DeployablesReportExtension"
> bundle="103" state="valid"
> implementation-class="org.ow2.jonas.report.extensions.deployables.internal.DeployablesReportExtension"
> requiredhandlers list="[org.ow2.jonas.ipojo.interceptor:interceptor,
> org.apache.felix.ipojo:provides,
> org.apache.felix.ipojo.handlers.event:subscriber,
> org.apache.felix.ipojo:architecture]"
> missinghandlers list="[]"
> provides specification="org.ow2.jonas.report.api.IReportExtension"
> property name="namespace" type="java.lang.String"
> value="http://jonas.ow2.org/report/deployables/1.0";
> property name="event.topics" type="java.util.Dictionary" value="{}"
> property name="event.filter" type="java.util.Dictionary" value="{}"
> inherited interfaces="[org.ow2.jonas.report.api.IReportExtension]"
> superclasses="[]"
> component.properties =
> [Lorg.apache.felix.ipojo.architecture.PropertyDescription;@19c59085
> component.providedServiceSpecifications =
> org.ow2.jonas.report.api.IReportExtension
> factory.name = DeployablesReportExtension
> factory.state = 1
> objectClass = org.apache.felix.ipojo.Factory,
> org.osgi.service.cm.ManagedServiceFactory
> service.id = 299
> service.pid = DeployablesReportExtension
> ----
> factory.name = DeployablesReportExtension
> instance.name = DeployablesReportExtension-0
> namespace = http://jonas.ow2.org/report/deployables/1.0
> objectClass = org.ow2.jonas.report.api.IReportExtension
> service.id = 303
> When debugging, it looks like that the array of HandlerDescription does
> contain the correct number of element (4) but the element with index 2 is
> NULL. So the HandlerDescription is missing for
> org.apache.felix.ipojo.handlers.event:subscriber handler. However, all
> HandlerManager are available from the InstanceManager (the HandlerManager
> associated to the subscriber handler is not null). I have attached a picture
> to illustrate this.
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