Caused by: com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance of org.springframework.data.domain.Page: abstract types either need to be mapped to concrete types, have custom deserializer, or contain additional type inform
今天使用第三方Jar包afinal.jar时候.想看一下源码,无法看 然后像加入jar相应的源代码包.也无法加入相应的源代码,报错例如以下:The current class path entry belongs to container 'Android Dependencies' which does not allow user modifications to source attachments on its entries . 例如以下图所看到的: 解决方法: 1.接着在projec
今天使用第三方Jar包afinal.jar时候,想看一下源代码,无法看 然后像添加jar对应的源码包,也无法添加相应的源代码,报错如下:The current class path entry belongs to container 'Android Dependencies' which does not allow user modifications to source attachments on its entries . 如下图所示: 解决方法: 1.接着在工程目录下新建一个lib
最近在学习Node的知识,就尝试写了一个注册登陆的简单功能,但是自己在模拟后台返回值的时候,总是报错Unexpected token ' in JSON at position 1,查找原因之后,是因为我的返回data是这样定义的,res.write("{'ok':false,'msg':'用户名或者密码错误!'}"),所以会报错,正确写法是res.write('{"ok":false,"msg":"用户名或者密码错误!"}'
背景 有一个 Flask 项目,然后有一个路由返回的是 dict 通过浏览器访问,结果报错 关键报错信息 TypeError: 'dict' object is not callable The view function did not return a valid response. The return type must be a string, tuple, Response instance, or WSGI callable, but it was a dict. 意思是不能返回
iconv(): Detected an illegal character in input string 错误解决方法 //转码 function iconv_gbk_to_uft8($string){ if (!$string){ return ''; } $encode = mb_detect_encoding($string,array("ASCII","GB2312","GBK",'BIG5','UTF-8')); return ic
https://access.redhat.com/solutions/3425111 环境 Red Hat Enterprise Linux 7 问题 yum fails to apply updates with the following error. Raw --> Processing Conflict: initscripts-9.49.41-1.el7.x86_64 conflicts redhat-release < 7.5-0.11 --> Finished Depen
1.packet for query is too large 1024 >. you can change this value on the server mysql max_allowed_packet 设置过小导致记录写入失败 修改windows下my.ini文件,在[mysqld]段或者mysql的server配置段进行修改 max_allowed_packet=20M 此方法需要重启mysql才行. 重启Mysql的方法: (1)点击计算机,右键管理. (2)选择Mysql
