ArrayStoreException in SnsWebConfiguration.

[kingbbode]

Hello,

Because implement and ConditionalOnClass are specified in SnsWebConfiguration at the same time, an exception occurs during the class load.

When WebMvcConfigurer does not exist,

Caused by: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
	at sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:724)
	at sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:531)
	at sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:355)
	at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:286)
	at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120)
	at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72)
	at java.lang.Class.createAnnotationData(Class.java:3521)
	at java.lang.Class.annotationData(Class.java:3510)
	at java.lang.Class.getDeclaredAnnotations(Class.java:3477)
	at org.springframework.core.annotation.AnnotationsScanner.getDeclaredAnnotations(AnnotationsScanner.java:499)
	at org.springframework.core.annotation.AnnotationTypeMappings.addMetaAnnotationsToQueue(AnnotationTypeMappings.java:85)
	at org.springframework.core.annotation.AnnotationTypeMappings.addAllMappings(AnnotationTypeMappings.java:79)
	at org.springframework.core.annotation.AnnotationTypeMappings.<init>(AnnotationTypeMappings.java:68)
	at org.springframework.core.annotation.AnnotationTypeMappings.<init>(AnnotationTypeMappings.java:46)
	at org.springframework.core.annotation.AnnotationTypeMappings$Cache.createMappings(AnnotationTypeMappings.java:251)
	at java.util.concurrent.ConcurrentMap.computeIfAbsent(ConcurrentMap.java:324)
	at org.springframework.core.annotation.AnnotationTypeMappings$Cache.get(AnnotationTypeMappings.java:247)
	at org.springframework.core.annotation.AnnotationTypeMappings.forAnnotationType(AnnotationTypeMappings.java:204)
	at org.springframework.core.annotation.AnnotationTypeMappings.forAnnotationType(AnnotationTypeMappings.java:186)
	at org.springframework.core.annotation.AnnotationTypeMappings.forAnnotationType(AnnotationTypeMappings.java:173)
	at org.springframework.core.annotation.TypeMappedAnnotation.of(TypeMappedAnnotation.java:634)
	at org.springframework.core.annotation.MergedAnnotation.of(MergedAnnotation.java:596)
	at org.springframework.core.type.classreading.MergedAnnotationReadingVisitor.visitEnd(MergedAnnotationReadingVisitor.java:96)
	at org.springframework.asm.ClassReader.readElementValues(ClassReader.java:2985)
	at org.springframework.asm.ClassReader.accept(ClassReader.java:582)
	at org.springframework.asm.ClassReader.accept(ClassReader.java:401)
	at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:50)
	at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:103)
	at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.createMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:86)
	at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.getMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:73)
	at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:81)
	at org.springframework.context.annotation.ConfigurationClassParser.asSourceClass(ConfigurationClassParser.java:695)
	at org.springframework.context.annotation.ConfigurationClassParser$SourceClass.getMemberClasses(ConfigurationClassParser.java:992)
	at org.springframework.context.annotation.ConfigurationClassParser.processMemberClasses(ConfigurationClassParser.java:354)
	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:271)
	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:249)
	at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:599)
	... 82 more

[maciejwalkowiak]

Thanks @kingbbode for reporting and providing PR. I am closing this one as a duplicate of #503 and will go through your PR in upcoming days.