.NullPointerException] with root cause

Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause

可能是注入时忘记加入

@Autowired或者@Resource

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CSDN专家-sinJack 2021-12-27 18:54
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nested exception is java.lang.NullPointerException] with root cause
空指针异常，对象为空导致的。

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创建了问题 12月27日

.NullPointerException] with root cause

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