message Request processing failed; nested exception is java.lang.NullPointerException
数据查询的时候，在查询方法调用的时候抛出异常，根本就没进去方法里卖弄，所以这时候如果确认查询语句没错的话，一般就是调用这个方法的对象没有@autowire
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Request processing failed; nested exception is java.lang.NullPointerException
Request processing failed; nested exception is java.lang.NullPointerException
error：org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
SSM框架报HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException错
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.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
错误：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException]
Servlet.service() for servlet [gCmsFront] in context with path [/cms] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause java.lang.NullPoi
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause java.lang.Nul