Npgsql.NpgsqlOperationInProgressException 异常解析 Npgsql.NpgsqlOperationInProgressException 异常表示在尝试执行一个新的数据库命令时,前一个命令仍在执行中。这是 Npgsql(PostgreSQL 的 .NET 数据提供程序)的一个限制,因为它不支持在单个连接上同时执行多个命令(也称为 Multiple Active Result Sets,MARS)。 可能原因...
1: db.GetConnection 换成 db.GetConnectionScope(Aop也要统一不然事件注册不了) 2、IsAutoCloseConnection=true 需要设置true 3、异步方法wait存在漏写, 一个不能少 。解决方案:找到漏掉的await不想找就用db.CopyNew()。 4、使用await 返回值必须有Task,不能是Void 这种(表达式中异步只能是Func<Task>不能是Acti...
I have a similar problem. I suspect this have something to do with the implementation of the DbContextPool. While debugging locally I did not have any issue, however, while launching the application to Google Cloud i got an exception stating that "A command is already in progress". I then...
Npgsql.NpgsqlOperationInProgressException: A command is already in progress. In previous version 4.0.7 it was working absolutely fine. What we were doing is using the same connection to perform multiple commands (sequentially / after first command completed). But this should not be the case for ...
EN在Word中，按Alt+F11组合键打开VBE，然后在“工程 – Project”窗口中，双击“Microsoft Word对象”，...
System.InvalidOperationException: An operation is already in progress. at Npgsql.NpgsqlConnector.StartUserAction (ConnectorState newState) <0x41690780 + 0x000c3> in <filename unknown>:0 at Npgsql.NpgsqlCommand+<ExecuteNonQueryInternalAsync>d__102.MoveNext () <0x416ae340 + 0x0010f> in <filename...
It seems that a lot of people are running into "Operaiton is already in progress" exceptions and are having a difficult time finding the source of the problem. Npgsql can probably help them out by throwing a more informative exception, e...
Starting with this release, we are going to number our versions based on the semver schema. (http://semver.org). We may not follow strictly everything though. This is a work in progress. This version was supposed to be a continuation of the 2.0.13 series as we already have a 2.0.13...
Npgsql is the .NET data provider for PostgreSQL. Contribute to npgsql/npgsql development by creating an account on GitHub.
I am getting random error messages in my application log with the following stack trace. Most of the time everything is working well. I get about 10 errors and log messages like this a day in the production system. How do I figure out wh...