NullPointerException when resolving a CDI injection

[gastaldi]

The following error is shown when mvn clean compile is performed in the https://github.com/gastaldi/forge-protean:

Caused by: java.lang.NullPointerException
    at org.jboss.protean.arc.processor.ObserverGenerator.createConstructor (ObserverGenerator.java:274)
    at org.jboss.protean.arc.processor.ObserverGenerator.generate (ObserverGenerator.java:121)
    at org.jboss.protean.arc.processor.BeanProcessor.process (BeanProcessor.java:199)
    at org.jboss.shamrock.arc.deployment.ArcAnnotationProcessor.build (ArcAnnotationProcessor.java:201)
    at org.jboss.shamrock.arc.deployment.ArcAnnotationProcessorBuildStep5.execute (Unknown Source)
    at org.jboss.builder.BuildContext.run (BuildContext.java:401)
    at org.jboss.threads.ContextClassLoaderSavingRunnable.run (ContextClassLoaderSavingRunnable.java:35)
    at org.jboss.threads.EnhancedQueueExecutor.safeRun (EnhancedQueueExecutor.java:1998)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask (EnhancedQueueExecutor.java:1525)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run (EnhancedQueueExecutor.java:1416)
    at java.lang.Thread.run (Thread.java:748)
    at org.jboss.threads.JBossThread.run (JBossThread.java:479)

[mkouba]

Thanks for spotting this! We've completely forgotten to initialize observer method injection points.