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Posted to issues@camel.apache.org by "Andrea Cosentino (Jira)" <ji...@apache.org> on 2020/09/01 12:19:00 UTC
[jira] [Commented] (CAMEL-15493) Camel-Cdi throws NPE when
attempting to inject an array property using Microprofile Config
[ https://issues.apache.org/jira/browse/CAMEL-15493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17188402#comment-17188402 ]
Andrea Cosentino commented on CAMEL-15493:
------------------------------------------
Contributions are welcome [~kentfung] :)
> Camel-Cdi throws NPE when attempting to inject an array property using Microprofile Config
> ------------------------------------------------------------------------------------------
>
> Key: CAMEL-15493
> URL: https://issues.apache.org/jira/browse/CAMEL-15493
> Project: Camel
> Issue Type: Bug
> Components: camel-cdi
> Affects Versions: 3.4.3
> Environment: JDK 1.8, Tomee 8.0.4 microprofile
> Reporter: Kent Fung
> Priority: Major
>
> Microprofile Configuration supports CDI injection of properties as lists or arrays and can cause the Camel Cdi extension to throw a NPE during container startup:
>
> {noformat}
> Caused by: org.apache.webbeans.exception.WebBeansException: java.lang.NullPointerException
> at org.apache.webbeans.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:371)
> at org.apache.webbeans.event.NotificationManager.invokeObserverMethod(NotificationManager.java:819)
> at org.apache.webbeans.event.NotificationManager.fireEvent(NotificationManager.java:715)
> ... 53 more
> Caused by: java.lang.NullPointerException
> at org.apache.camel.cdi.CdiCamelExtension.lambda$shouldDeployDefaultCamelContext$9(CdiCamelExtension.java:320)
> at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
> at java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1569)
> at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
> at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
> at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
> at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
> at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:449)
> at org.apache.camel.cdi.CdiCamelExtension.shouldDeployDefaultCamelContext(CdiCamelExtension.java:325)
> at org.apache.camel.cdi.CdiCamelExtension.afterBeanDiscovery(CdiCamelExtension.java:276)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.webbeans.event.ObserverMethodImpl.invoke(ObserverMethodImpl.java:404)
> at org.apache.webbeans.event.ContainerEventObserverMethodImpl.invoke(ContainerEventObserverMethodImpl.java:85)
> at org.apache.webbeans.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:365)
> ... 55 more{noformat}
>
> This occurs when CdiCamelExtension.shouldDeployDefaultCamelContext encounters a bean for an array type because the Class.getPackage method returns null for arrays:
> {code:java}
> private boolean shouldDeployDefaultCamelContext(Set<Bean<?>> beans) {
> return beans.stream()
> // Is there a Camel bean with the @Default qualifier?
> // Excluding internal components...
> .filter(bean -> !bean.getBeanClass().getPackage().equals(getClass().getPackage()))
> {code}
>
> Switching around the equals check should fix it.
>
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