[infinispan-issues] [JBoss JIRA] (ISPN-11675) ComponentAnnotationProcessor exception hides compilation error

[Will Burns (Jira)]

     [ https://issues.redhat.com/browse/ISPN-11675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Will Burns updated ISPN-11675:
------------------------------
        Status: Resolved  (was: Pull Request Sent)
    Resolution: Done


> ComponentAnnotationProcessor exception hides compilation error
> --------------------------------------------------------------
>
>                 Key: ISPN-11675
>                 URL: https://issues.redhat.com/browse/ISPN-11675
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Build, Core
>    Affects Versions: 11.0.0.Dev04, 10.1.6.Final
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>            Priority: Major
>             Fix For: 11.0.0.Dev05
>
>
> When a source file has a component annotation with an invalid value, e.g. {{@DefaultFactoryFor(classes = \{NonExistentClass.class\})}}, {{ComponentAnnotationProcessor}} hits a {{ClassCastException}}:
> {noformat}
> Error:java: ComponentAnnotationProcessor unexpected error: java.lang.ClassCastException: class com.sun.tools.javac.code.Attribute$UnresolvedClass cannot be cast to class com.sun.tools.javac.code.Attribute$Class (com.sun.tools.javac.code.Attribute$UnresolvedClass and com.sun.tools.javac.code.Attribute$Class are in module jdk.compiler of loader 'app')
>   	at jdk.compiler/com.sun.tools.javac.model.AnnotationProxyMaker$ValueVisitor.visitArray(AnnotationProxyMaker.java:192)
>   	at jdk.compiler/com.sun.tools.javac.code.Attribute$Array.accept(Attribute.java:327)
>   	at jdk.compiler/com.sun.tools.javac.model.AnnotationProxyMaker$ValueVisitor.getValue(AnnotationProxyMaker.java:167)
>   	at jdk.compiler/com.sun.tools.javac.model.AnnotationProxyMaker.generateValue(AnnotationProxyMaker.java:145)
>   	at jdk.compiler/com.sun.tools.javac.model.AnnotationProxyMaker.getAllReflectedValues(AnnotationProxyMaker.java:104)
>   	at jdk.compiler/com.sun.tools.javac.model.AnnotationProxyMaker.generateAnnotation(AnnotationProxyMaker.java:90)
>   	at jdk.compiler/com.sun.tools.javac.model.AnnotationProxyMaker.generateAnnotation(AnnotationProxyMaker.java:81)
>   	at jdk.compiler/com.sun.tools.javac.code.AnnoConstruct.getAnnotation(AnnoConstruct.java:185)
>   	at org.infinispan.component.processor.ComponentAnnotationProcessor$ModelBuilder.getFactoryComponentNames(ComponentAnnotationProcessor.java:606)
>   	at org.infinispan.component.processor.ComponentAnnotationProcessor$ModelBuilder.visitType(ComponentAnnotationProcessor.java:318)
>   	at org.infinispan.component.processor.ComponentAnnotationProcessor$ModelBuilder.visitType(ComponentAnnotationProcessor.java:281)
>   	at jdk.compiler/com.sun.tools.javac.code.Symbol$ClassSymbol.accept(Symbol.java:1477)
>   	at java.compiler at 13.0.1/javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:153)
>   	at java.compiler at 13.0.1/javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:140)
>   	at org.infinispan.component.processor.ComponentAnnotationProcessor.process(ComponentAnnotationProcessor.java:122)
>   	at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:1023)
>   	at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:939)
>   	at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.run(JavacProcessingEnvironment.java:1267)
>   	at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1381)
>   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1263)
>   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:935)
>   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.lambda$doCall$0(JavacTaskImpl.java:104)
>   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.handleExceptions(JavacTaskImpl.java:147)
>   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:100)
>   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:94)
> {noformat}
> IntelliJ shows the annotation processor error first, hiding the compilation error, while Maven only says 
> {noformat}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project infinispan-core: Fatal error compiling: CompilerException: NullPointerException
> {noformat}



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