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Winform Global exception and task parallel library exception;

static class Program { /// <summary> /// 应用程序的主入口点. /// </summary> [STAThread] static void Main() { try { //添加事件处理程序未捕获的异常 Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException); //添加事件处理UI线程异常 Application.ThreadException…

Using the Task Parallel Library (TPL) for Events

Using the Task Parallel Library (TPL) for Events The parallel tasks library was introduced with the .NET Framework 4.0 and is designed to simplify parallelism and concurrency. The API is very straightforward and usually involves passing in an Action…

TPL(Task Parallel Library)多线程、并发功能

The Task Parallel Library (TPL) is a set of public types and APIs in the System.Threading and System.Threading.Tasks namespaces. The purpose of the TPL is to make developers more productive by simplifying the process of adding parallelism and concurr…

Task Parallel Library01,基本用法

我们知道,每个应用程序就是一个进程,一个进程有多个线程.Task Parallel Library为我们的异步编程.多线程编程提供了强有力的支持,它允许一个主线程运行的同时,另外的一些线程或Task也同时运行.本篇体验基本用法. 基本用法 Taks的构造函数接收的类型是Action,也就是一个委托. static void Main(string[] args) { var t1 = new Task(() => { Console.WriteLine("任务1开始"); Thr…

通过Fsharp探索Enterprise Library Exception

Exception怎么生成是一回事,怎么展示又是还有一回事了. Exception Block主要关注的点在于Exception信息的展示.Exception不同于一般的log信息,是系统设计者未考虑的错误情况.当异常出现时,错误的情况,或者暴露一些比較敏感的系统信息.或者将一些不怎么友好的信息显示给一些不怎么友好的客户.这时一个计算机异常就引入了一个客户异常,一个终极异常.所以异常处理的目标就是截断异常,进而恢复系统. 把合理的异常信息显示给相相应的用户. 因此主要的异常处理脉络也出现了.1.…

Spring Cloud ZooKeeper集成Feign的坑2，服务调用了一次后第二次调用就变成了500，错误：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.n

错误如下: 2017-09-19 15:05:24.659 INFO 9986 --- [ main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@56528192: startup date [Tue Sep 19 15:05:24 CST 2017]; root of context…

C#5.0之后推荐使用TPL(Task Parallel Libray 任务并行库) 和PLINQ(Parallel LINQ, 并行Linq). 其次是TAP(Task-based Asynchronous Pattern, 基于任务的异步模式)

学习书籍: <C#本质论> 1--C#5.0之后推荐使用TPL(Task Parallel Libray 任务并行库) 和PLINQ(Parallel LINQ, 并行Linq). 其次是TAP(Task-based Asynchronous Pattern, 基于任务的异步模式). --用AggregateException处理Task上的未处理异常. --取消任务. CancellationToken --async修饰方法, 返回Task. task.wait(100)可以阻塞现场. a…

threw exception [Handler processing failed; nested exception is java.lang.NoClassDefFoundError: com/dyuproject/protostuff/MapSchema$MessageFactory] with root cause

错误记录 前几天朋友问我一个错误,顺便记录一下,关于redis 工具类,protostuff序列化报错. threw exception [Handler processing failed; nested exception is java.lang.NoClassDefFoundError: com/dyuproject/protostuff/MapSchema$MessageFactory] with root cause NoClassDefFoundError 这种问题大部分是缺少 j…

错误：严重: Servlet.service() for servlet [appServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is

严重: Servlet.service() for servlet [appServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.type.TypeException: Could not set…

Error creating bean with name 'com.cloud.feign.interfaces.xxxFeignClient': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalSt.PathVariable annotation was empty on

环境: Spring Cloud:Finchley.M8 Spring Boot:2.0.0.RELEASE 报错信息: Error creating bean with name 'com.cloud.feign.interfaces.xxxFeignClient': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalSt.PathVariable annotation wa…