400 (Bad Request)

点击添加按钮转跳没反应，控制台没报错，然后在Chrome上检查发现报错了

百度了一下，发现http Status 400这个错误大多是因为，jsp的form表单提交的字段类型和后台接收字段类型不匹配造成的（例如，form中为String，后台接收为Integer）

仔细对比了一下后台和数据库了的字段类型，果真如此，，，，，，，

参考资料: https://www.cnblogs.com/hhhaisen/p/7885639.html

HTTP Status 400,400 (Bad Request)的更多相关文章

  1. HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is returned

    参考: .Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is re ...

  2. 解决 android studio 出现:"AndroidStudio:Could not GET 'https://dl.google.com Received status code 400 from server: Bad Request"问题

    一.android studio 编译项目时出现"AndroidStudio:Could not GET 'https://dl.google.com Received status cod ...

  3. Failed to load resource: the server responsed with a status of 400 (Bad Request)

    浏览器报错:Failed to load resource: the server responsed with a status of 400 (Bad Request) ajax请求失败,一般情况 ...

  4. Android Studio Gradle build 报错：Received status code 400 from server: Bad Request

    错误提示如下 Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.1.2/ ...

  5. http status 400,http 400,400 错误

    转载:http://blog.csdn.net/xu_zh_h/article/details/2294233 4 请求失败4xx 4xx应答定义了特定服务器响应的请求失败的情况.客户端不应当在不更改 ...

  6. mvn deploy 报错：Return code is: 400, ReasonPhrase: Bad Request. ->

    mvn deploy 报错:Return code is: 400, ReasonPhrase: Bad Request. -> TEST通过没有报错,但是最终部署到Nexus中时出现错误. 后 ...

  7. maven deploy Return code is: 400, ReasonPhrase: Bad Request.

    最近在自己本地deploy jar 到本地 nexus的时候,报错 Return code is: 400, ReasonPhrase: Bad Request. 解决思路: 1.查看maven pr ...

  8. HTTP Status 400 - description The request sent by the client was syntactically incorrect.

    HTTP Status 400 - type Status report message description The request sent by the client was syntacti ...

  9. ajax 调用 .net core WebAPI，报错 400 （Bad Request） Unexpected character encountered while parsing value

    此文由博主前两天的提问及 dudu 的回答整理,地址:https://q.cnblogs.com/list/myquestion 情况说明 基于 .net core 写了一个 Web API,用 po ...

随机推荐

  1. windows下MariaDB忘记密码找回

    1.首先停止数据库 2.找到my.ini文件 3.右键以记事本打开在Mysqld下添加如下一行保存,然后启动数据库 4.登录数据库会提示输入密码,默认回车即可 5.退出数据库,删除我们上面在my.in ...

  2. （函数）P1149 火柴棒等式

    题解: #include<stdio.h>int a[10]={6,2,5,5,4,5,6,3,7,6};int num(int n){                          ...

  3. Tutorial: Create a Blinky ARM test project(创建一个闪灯的arm测试项目)

    Background ref : Tutorial: Create a Blinky ARM test project If you are new to ARM development, it is ...

  4. git push报错! [rejected] master -> master (non-fast-forward) error: failed to push some refs to 'https://gitee.com/XXX.git

    git pull origin master --allow-unrelated-histories  //把远程仓库和本地同步,消除差异 git add . git commit -m"X ...

  5. Codeforces Round #571 (Unrated for Div. 1+Div. 2)

    A 略 B 被删了,被这个假题搞自闭了,显然没做出来. C 开始莽了个NTT,后来发现会TLE,其实是个SB前缀和,对于这题,我无**说. #include<bits/stdc++.h> ...

  6. 修复grub

    进入命令行模式,#chroot /mnt/sysimage :切换根目录#grub2-install /dev/sda :安装grub2到第一硬盘#grub2-mkconfig -o /boot/gr ...

  7. Split string every nth character?

    https://stackoverflow.com/questions/9475241/split-string-every-nth-character >>> line = '12 ...

  8. 跨站脚本(XSS)攻击

    https://blog.csdn.net/extremebingo/article/details/81176394

  9. -bash: fultter: command not found

    flutter build apk bash: flutter: command not found 在studio中的控制台出现上面错误(如图所示) 解决办法: 安装flutter时,安装时可以执行 ...

  10. python学习笔记_集合的定义和常用方法

    1.认识集合 定义: s={1,2,3,4,5} s=set("hello") s=set(["steven","job","da ...