如题，遇到这种情况一般都是引用jar包版本不一致或者编译后的class除了问题
解决办法：
a.如果是maven项目，把项目全部clean一下，重新mvn install
b.如果不是maven项目，就重新引入jar包，重新编译
如果还不能解决，那就只能想其他办法了
BeanDefinitionStoreException: Failed to read candidate component class: URL
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