org.springframework.dao.TransientDataAccessResourceException: ### Error updating database. Cause: java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed ### The error may involve defaultParameterMap ### T…
java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed 追查原因,查看切片事务配置如下: 查看源码: 初始化阶段-Step1:解析到xml配置,在RuleBasedTransactionAttribute中设置query*开发的方法的readOnly值为true save等方法设置为fase: 运行阶段-Step1:(切片事务运行的逻辑大概简单说下:就…
Connection is read-only. Queries leading to data modification are not allowed 描述:框架注入时候,配置了事物管理,权限设置的只读模式 解决方法不是什么把它删了,删了就没安全防护了,肯定不是对的方法. 解决方案一: 如果调用的service中的方法使用了修改,添加功能,并且继承了父类,那么需要将自己的service更新方法的名称添加到这个里边 <tx:method name="mygetOrder" pr…
dotnetcore ef 调用多个数据库时用户命令执行操作报错 1.多个DbContext 时报错: 报错: More than one DbContext was found. Specify which one to use. Use the '-Context' parameter for PowerShell commands and the '--context' parameter for dotnet commands. 解决办法: dotnet ef migrations ad…
在用robotframework编写移动端测试用例(用chrome浏览器模拟手机浏览器),执行用例时, 报错selenium.common.exceptions.WebDriverException: Message: unknown error: cannot get automation extension from unknown error: page could not be found: chrome-extension://aapnijgdinlhnhlmodcfapnahmbfe…
eclipse运行hadoop程序报错:Connection refused: no further information log4j:WARN No appenders could be found for logger (org.apache.hadoop.conf.Configuration.deprecation). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging…
rails执行sidekiq任务的时候报错“can't connect to local mysql server through socket '/var/run/mysqld/mysqld.sock'”, 很好理解,就是找不到这个文件,而我机器上面文件在/tmp/mysql.sock这里, 所以解决很简单,在指定位置创建一个或创建一个链接呗: ln -s /tmp/mysql.sock /var/run/mysqld/mysql.sock 完美解决,偶也^_^…
1.修改密码 修改密码: vim /etc/my.cnf 的mysqld字段加入skip-grant-tables 重启MySQL,service mysqld restart 终端输入 mysql 直接登录MySQL数据库,然后use mysql update mysql.user set authentication_string=password('123@wanyun') where user='root';update mysql.user set password_expired='…
背景: 新建了用户,没有取消掉强制密码策略 修改掉策略报错 错误: The CHECK_POLICY and CHECK_EXPIRATION options cannot be turned OFF when MUST_CHANGE is ON. 使用代码修改: USE Master GO ALTER LOGIN [somelogin] WITH PASSWORD = ‘samepassword’ GO ALTER LOGIN [somelogin] WITH C…
当我们在使用spark1.6的时候,当我们创建SQLContext读取一个文件之后,返回DataFrame类型的变量可以直接.map操作,不会报错.但是升级之后会包一个错误,如下: 报错:No implicits found for parameter evidence$6: Encoder[Unit] 主要的错误原因为: ******error: Unable to find encoder for type stored in a Dataset. Primitive types (Int,…