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

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$ClassSymbol.accept(Symbol.java:1477) at java.compiler@13.0.1/javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:153) at java.compiler@13.0.1/javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:140) at org.infinispan.component.processor.ComponentAnnotationProcessor.process(ComponentAnnotationProcessor.java:122) at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:1023) at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:939) at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment$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}