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https://issues.apache.org/jira/browse/FELIX-3787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13504571#comment-13504571
]
Dmytro Pishchukhin commented on FELIX-3787:
-------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<components xmlns:scr="http://www.osgi.org/xmlns/scr/v1.2.0";>
<scr:component name="com.acme.foo.agent">
<implementation class="com.acme.foo.agent.impl.AgentImpl"/>
<service servicefactory="false">
<provide interface="com.acme.foo.agent.Agent"/>
</service>
<property name="com.acme.foo.agent.prop1.value" value="val 1"/>
<property name="service.pid" value="com.acme.foo.agent"/>
<reference name="context" interface="com.acme.foo.api.Provider"
cardinality="1..1" policy="static"
target="(com.acme.foo.provider.name=provider.archive)" bind="bindContext"
unbind="unbindContext"/>
<reference name="controller" interface="com.acme.foo.api.Controller"
cardinality="1..1" policy="static" bind="bindController"
unbind="unbindController" policy-option="greedy"/>
</scr:component>
</components>
> NPE on reference update
> -----------------------
>
> Key: FELIX-3787
> URL: https://issues.apache.org/jira/browse/FELIX-3787
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-1.6.2
> Reporter: Dmytro Pishchukhin
>
> I defined reference with annotation:
> @Reference(referenceInterface = Controller.class, cardinality =
> ReferenceCardinality.MANDATORY_UNARY, policyOption =
> ReferencePolicyOption.GREEDY)
> protected Controller controller;
> when I install a new service I got an error:
> java.lang.NullPointerException
> at
> org.apache.felix.scr.impl.manager.DependencyManager.serviceAdded(DependencyManager.java:383)
> at
> org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:159)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
> at
> org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4260)
> at org.apache.felix.framework.Felix.registerService(Felix.java:3275)
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