[jira] [Resolved] (FELIX-4192) SCR Generator fails with a NPE in case a class level Reference doesn't define a referenceInterface

["Carsten Ziegeler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-4192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler resolved FELIX-4192.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: scr ant task 1.9.0
                   maven-scr-plugin 1.14.2
    
> SCR Generator fails with a NPE in case a class level Reference doesn't define a referenceInterface
> --------------------------------------------------------------------------------------------------
>
>                 Key: FELIX-4192
>                 URL: https://issues.apache.org/jira/browse/FELIX-4192
>             Project: Felix
>          Issue Type: Bug
>          Components: Maven SCR Plugin
>    Affects Versions: scr generator 1.8.0
>         Environment: JDK7
>            Reporter: Daniel Kuffner
>            Assignee: Carsten Ziegeler
>            Priority: Minor
>             Fix For: maven-scr-plugin 1.14.2, scr ant task 1.9.0, scr generator 1.8.2
>
>         Attachments: FELIX-4192-test-case.diff
>
>
> Consider following simple component:
> {code}
> @Component
> @Reference(name="a", bind="setA", unbind="unsetA")
> public class MyJavaClass {
> }
> {code}
> the generator will fail with a NPE (see stacktrace). It would be preferable if the generator will fail with a usfull error message.
> Stacktrace:
> {code}
> java.lang.NullPointerException
> 	at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:332)
> 	at java.util.concurrent.ConcurrentHashMap.putIfAbsent(ConcurrentHashMap.java:1144)
> 	at java.lang.ClassLoader.getClassLoadingLock(ClassLoader.java:462)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:403)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
> 	at org.apache.felix.scrplugin.helper.Validator.findMethod(Validator.java:568)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.processReferences(SCRDescriptorGenerator.java:647)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.createComponent(SCRDescriptorGenerator.java:384)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:161)
> 	at net.chilicat.felixscr.intellij.build.scr.AbstractScrProcessor.executeImpl(AbstractScrProcessor.java:86)
> 	at net.chilicat.felixscr.intellij.build.scr.AbstractScrProcessor.execute(AbstractScrProcessor.java:42)
> 	at net.chilicat.felixscr.intellij.build.ScrProcessingItem.execute(ScrProcessingItem.java:39)
> 	at net.chilicat.felixscr.intellij.build.ScrCompiler.process(ScrCompiler.java:108)
> 	
> {code}

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