（HTTP Status 500）Request processing failed; nested exception is java.lang.NullPointerException
錯誤提示： eclipse中圖1： eclipse中圖1詳細情況： 瀏覽器中報錯提示： 錯誤原因： 改爲這樣： 錯誤就會消除： 結論：每用一個DAO層都要自動裝配一下，多個DAO層不能只用一個自動裝配（@Autowired），不然會報（Request processing failed; nested exception is java.lang.NullPointerException）錯誤
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相關文章
- 1. HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException
- 2. HTTP Status 500 - Request processing failed; nested exception is com.alibaba.dubbo.rpc.RpcException
- 3. HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.binding.BindingEx
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- 9. HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoSuchMethodError:
- 10. 解決HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.binding.Binding