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Attempt to invoke interface method 'java.lang.Object[] java.util.Collection.toArray()' on a null object reference
java.lang.NullPointerException: null	at java.util.ArrayList.addAll(ArrayList.java:577)	at org.springframework.cache.annotation.SpringCacheAnnotationParser.parseCacheAnnotations(SpringCacheAnnotationParser.java:89)	at org.springframework.cache.annotation.SpringCacheAnnotationParser.parseCacheAnnotations(SpringCacheAnnotationParser.java:58)	at org.springframework.cache.annotation.AnnotationCacheOperationSource$2.getCacheOperations(AnnotationCacheOperationSource.java:124)	at org.springframework.cache.annotation.AnnotationCacheOperationSource.determineCacheOperations(AnnotationCacheOperationSource.java:142)	at org.springframework.cache.annotation.AnnotationCacheOperationSource.findCacheOperations(AnnotationCacheOperationSource.java:121)	at org.springframework.cache.interceptor.AbstractFallbackCacheOperationSource.computeCacheOperations(AbstractFallbackCacheOperationSource.java:136)	at org.springframework.cache.interceptor.AbstractFallbackCacheOperationSource.getCacheOperations(AbstractFallbackCacheOperationSource.java:97)	at org.springframework.cache.interceptor.CacheOperationSourcePointcut.matches(CacheOperationSourcePointcut.java:39)	at org.springframework.aop.support.MethodMatchers.matches(MethodMatchers.java:94)