Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException

回答: 当出现"Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException"的错误时，通常是由于在创建bean时发生了异常。这个异常可能是由于构造函数抛出了异常，或者在构造函数中使用了@Autowired注解去注入一个服务时出现了空指针异常。\[1\]\[3\]在你提供的引用中，报错信息中提到了"StackOverflowError"，这通常是由于递归调用导致的无限循环。可能是在创建bean时，构造函数或其他方法中发生了递归调用，导致栈溢出。要解决这个问题，你可以检查构造函数或其他方法中是否存在递归调用，并确保避免出现无限循环的情况。
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