有的service没有依赖注入： 相关文章： 2021-06-19 2022-01-10 2021-04-13 2021-10-10 2021-11-02 2021-10-04 2022-01-05 2021-05-06
![14- Servlet.service() for servlet [mvc-dispatcher] in context with path [/collegeservice] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root caus](/default/index/img?u=L2RlZmF1bHQvaW5kZXgvaW1nP3U9YUhSMGNITTZMeTlwYldjeU1ERTRMbU51WW14dlozTXVZMjl0TDJKc2IyY3ZNVEUyT1RBeE9DOHlNREU0TVRJdk1URTJPVEF4T0MweU1ERTRNVEl5TkRFM01qSXdNRE0xTmkweE5UWTRPREUxTlRZeUxuQnVadz09 "14- Servlet.service() for servlet [mvc-dispatcher] in context with path [/collegeservice] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root caus")
![14- Servlet.service() for servlet [mvc-dispatcher] in context with path [/collegeservice] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root caus](/default/index/img?u=L2RlZmF1bHQvaW5kZXgvaW1nP3U9YUhSMGNITTZMeTlwYldjeU1ERTRMbU51WW14dlozTXVZMjl0TDJKc2IyY3ZNVEUyT1RBeE9DOHlNREU0TVRJdk1URTJPVEF4T0MweU1ERTRNVEl5TkRFM01qSTFNamN4TmkweE1qWTJPVFV3T0RneExuQnVadz09 "14- Servlet.service() for servlet [mvc-dispatcher] in context with path [/collegeservice] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root caus")