在图片管理里添加了校验方法之后,发现在更新的时候页面不显示校验报错的信息

class Picture < ApplicationRecord
belongs_to :imageable, polymorphic: true validates_uniqueness_of :name, scope: [:imageable_id, :imageable_type]
end

update!在校验的时候会抛出异常,导致ajax操作中断,

Started PATCH "/components/11" for 127.0.0.1 at 2016-09-06 14:31:08 +0800
Processing by ComponentsController#update as JS
Parameters: {"utf8"=>"✓", "component"=>{"name"=>"", "alias"=>"", "pictures_attributes"=>[{"id"=>"", "name"=>"poster", "url"=>"0510000057CE600F6714C06411004555", "md5"=>"9ff2d30b17de8fc75163faff99c18afc"}, {"id"=>"", "name"=>"poster", "url"=>"0510000057CE60BF6714C063340BE1DC", "md5"=>"c5641765c087043ddc937ac5938c98d2"}, {"name"=>"poster", "url"=>"", "md5"=>""}], "release_id"=>"", "component_type_id"=>"", "x_axis"=>"", "y_axis"=>"", "width"=>"", "height"=>"", "unitary"=>"true", "ratio"=>"", "column"=>"", "hints"=>{"left"=>"", "mid"=>"", "right"=>""}, "remark"=>""}, "commit"=>"更新模块", "id"=>""}
User Load (0.3ms) SELECT `users`.* FROM `users` WHERE `users`.`id` = 1 ORDER BY `users`.`id` ASC LIMIT 1
Component Load (0.2ms) SELECT `components`.* FROM `components` WHERE `components`.`id` = 11 LIMIT 1
(0.1ms) BEGIN
Picture Load (0.2ms) SELECT `pictures`.* FROM `pictures` WHERE `pictures`.`imageable_id` = 11 AND `pictures`.`imageable_type` = 'Component' AND `pictures`.`id` IN (33, 34)
Picture Exists (0.4ms) SELECT 1 AS one FROM `pictures` WHERE `pictures`.`name` = BINARY 'poster' AND (`pictures`.`id` != 34) AND `pictures`.`imageable_type` = 'Component' LIMIT 1
Component Exists (0.2ms) SELECT 1 AS one FROM `components` WHERE `components`.`name` = BINARY '' AND (`components`.`id` != 11) AND `components`.`release_id` = 1 LIMIT 1
(0.2ms) ROLLBACK
Completed 422 Unprocessable Entity in 23ms (ActiveRecord: 3.4ms) ActiveRecord::RecordInvalid (验证失败: Pictures name已经被使用):

原因是在controller的update方法里加了!,变成了update!(component_params), 去掉后的方法如下

  def update
if @component.update(component_params)
redirect_to @component, notice: 'Component was successfully updated.'
else
render :error
end
end

去掉后的log如下

Started PATCH "/components/11" for 127.0.0.1 at 2016-09-06 15:21:37 +0800
Processing by ComponentsController#update as JS
Parameters: {"utf8"=>"✓", "component"=>{"name"=>"", "alias"=>"", "pictures_attributes"=>[{"id"=>"", "name"=>"poster", "url"=>"0510000057CE600F6714C06411004555", "md5"=>"9ff2d30b17de8fc75163faff99c18afc"}, {"id"=>"", "name"=>"poster", "url"=>"0510000057CE60BF6714C063340BE1DC", "md5"=>"c5641765c087043ddc937ac5938c98d2"}, {"name"=>"poster", "url"=>"", "md5"=>""}], "release_id"=>"", "component_type_id"=>"", "x_axis"=>"", "y_axis"=>"", "width"=>"", "height"=>"", "unitary"=>"true", "ratio"=>"", "column"=>"", "hints"=>{"left"=>"", "mid"=>"", "right"=>""}, "remark"=>""}, "commit"=>"更新模块", "id"=>""}
User Load (0.2ms) SELECT `users`.* FROM `users` WHERE `users`.`id` = 1 ORDER BY `users`.`id` ASC LIMIT 1
Component Load (0.1ms) SELECT `components`.* FROM `components` WHERE `components`.`id` = 11 LIMIT 1
(0.1ms) BEGIN
Picture Load (0.1ms) SELECT `pictures`.* FROM `pictures` WHERE `pictures`.`imageable_id` = 11 AND `pictures`.`imageable_type` = 'Component' AND `pictures`.`id` IN (33, 34)
Picture Exists (0.2ms) SELECT 1 AS one FROM `pictures` WHERE `pictures`.`name` = BINARY 'poster' AND (`pictures`.`id` != 34) AND `pictures`.`imageable_type` = 'Component' LIMIT 1
Component Exists (0.2ms) SELECT 1 AS one FROM `components` WHERE `components`.`name` = BINARY '' AND (`components`.`id` != 11) AND `components`.`release_id` = 1 LIMIT 1
(0.1ms) ROLLBACK
Rendering components/error.js.erb
Picture Load (0.2ms) SELECT `pictures`.* FROM `pictures` WHERE `pictures`.`imageable_id` = 11 AND `pictures`.`imageable_type` = 'Component'
Rendered shared/_image.html.erb (2.6ms)
Rendered shared/_image.html.erb (1.4ms)
Rendered shared/_image.html.erb (1.5ms)
(0.2ms) SELECT `releases`.`version_name`, `releases`.`id` FROM `releases` ORDER BY `releases`.`version_name` DESC
(0.2ms) SELECT `component_types`.`name`, `component_types`.`id` FROM `component_types`
Rendered components/_form.html.erb (36.7ms)
Rendered components/error.js.erb (52.7ms)
Completed 200 OK in 111ms (Views: 87.3ms | ActiveRecord: 1.6ms)

使用update!导致的更新时候的错误信息不显示 ruby on rails的更多相关文章

  1. struts2 中的 addActionError 、addFieldError、addActionMessage方法的区别添加错误信息

    转自:https://www.cnblogs.com/wangyp/archive/2011/07/13/2104828.html 一.addActionError("错误内容") ...

  2. Mysql查询语句使用select.. for update导致的数据库死锁分析

    近期有一个业务需求,多台机器需要同时从Mysql一个表里查询数据并做后续业务逻辑,为了防止多台机器同时拿到一样的数据,每台机器需要在获取时锁住获取数据的数据段,保证多台机器不拿到相同的数据. 我们My ...

  3. 【转】PL/SQL编辑数据"这些查询结果不可更新,请包括ROWID或使用SELECT...FOR UPDATE获得可更新结果"处理

    [转]PL/SQL编辑数据"这些查询结果不可更新,请包括ROWID或使用SELECT...FOR UPDATE获得可更新结果"处理 只要有人用了: select t.* from ...

  4. Cocos 更新时反复杀进程,导致差异更新失效的Bug

    Cocos 更新时反复杀进程时,差异更新失效的问题: 问题复现步骤: 1.在project.manifest.temp 文件下载成功后,下载Assets资源的时候杀掉进程 2.重启游戏,继续更新时会使 ...

  5. Oracle编辑数据时提示:这些查询结果不可更新,请使用ROWI或者SELECT……FOR UPDATE获得可更新结果

    我们在对Oracle数据库进行操作时,有时会在查询完结果后想要对其中的某些数据进行操作,当我们点击编辑(一个锁标志)是,会提示我们上述问题中的错误:这些查询结果不可更新,请使用ROWI或者SELECT ...

  6. 新安装的windows 10无法更新报0x80240fff错误的解决方案

    如果windows 10的安装文件比较老,可能会报0x80240fff错误导致无法更新. 网络上说的方法是选择推迟更新,因为这样貌似能让windows选择另外的更新服务器. 但实际上在我遇到的情况问题 ...

  7. 虚拟机备份克隆导致SQL SERVER 出现IO错误案例

      案例环境:   服务器配置: CPU: Intel E5-2690  RAM: 12G   虚拟机 操作系统  : Windows Server 2008 R2 Standard Edtion   ...

  8. 因用了NeatUpload大文件上传控件而导致Nonfile portion > 4194304 bytes错误的解决方法

    今天遇到一个问题,就是“NeatUpload大文件上传控件而导致Nonfile portion > 4194304 bytes错误”,百度后发现了一个解决方法,跟大家分享下: NeatUploa ...

  9. vss的ss.ini丢失或损坏导致的vss无法登录错误

    vss的ss.ini丢失或损坏导致的vss无法登录错误 Written in 2007-07-03 18:17 在vss使用过程中,不知道什么原因,会导至vss目录中的ss.ini文件损坏,此文件位于 ...

随机推荐

  1. LED数码管显示实验

    1.代码: #include <reg52.h>typedef unsigned char  u8;typedef unsigned int   u16;sbit seg_sel = P1 ...

  2. 异步-学习笔记3 Task

    1. 通过Task启动多线程 2. 解决多线程的几大应用场景 private void btnTask_Click(object sender, EventArgs e) { Console.Writ ...

  3. javascript序列化

    JSON.stringify() JSON.parse() toJSON() var person={"cardId":"546651353435"}; con ...

  4. pyqt2_官网教程

    https://pythonspot.com/en/pyqt4/ Articles You can find a collection of PyQT articles below. Applicat ...

  5. $this->display输出模板

    1.public function index(){ $this->display() } // 默认输出的是index.html模板 2.public function index(){ $t ...

  6. swiper超出部分出现滚动条

    html代码 <div class="wrap swiper-container"> <div class="swiper-wrapper"& ...

  7. group

    学习Linq时,经常会遇到Linq使用Group By问题,这里将介绍Linq使用Group By问题的解决方法. 1.计数 var q = from p in db.Products group p ...

  8. Spring中加载xml配置文件的六种方式

    Spring中加载xml配置文件的六种方式 博客分类: Spring&EJB XMLSpringWebBeanBlog  因为目前正在从事一个项目,项目中一个需求就是所有的功能都是插件的形式装 ...

  9. org.hibernate.QueryException: could not resolve property

    org.hibernate.QueryException: could not resolve property HibernateSQLXML  org.hibernate.QueryExcepti ...

  10. 关于帧中继和ppp的补充笔记

    帧中继: · 两个设备都要启用 帧中继功能, 否则是不能 ping通的 · 两个设备上的接口serial要 no shutdown · · 一定要配置dlci地址(号). 否则就不能起来pvc 可以 ...