[2010-07-12 10:10:06 - Hello Google Android]ActivityManager: DDM dispatch reg wait timeout [2010-07-12 10:10:06 - Hello Google Android]ActivityManager: Can't dispatch DDM chunk 52454151: no handler defined [2010-07-12 10:10:06 - Hello Google Android]…

Circular view path [home]: would dispatch back to the current handler URL [/home] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.) 1. 问题的现象 比如在webConfig中定义了一个viewResolve…

Circular view path xxx would dispatch back to the current handler URL 通过原因分析,造成问题有两个因素:1). 缺省转发, 2). view和path同名…

2019-08-08 17:12:03.544 ERROR 13748 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Circular view path [index]: would dispatch back to the curren…

简单创建一个springboot工程 pom.xml <?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://mave…

这是因为你的Controller中返回的视图名称与你当前的requestMapping名称一样,这并没有很好的解决方案,除非你改掉其中一个名字. 因为springframework test时你并没有指定一个ViewResolver,默认启用的是InternalResourceViewResolver. Stack Overflow:https://stackoverflow.com/questions…

chunk模块用于读取TIFF格式的文件,打开应该使用二进制模式 TIFF 标签图像文件格式 import chunk import chunk f=open('E:\\test.tiff','rb') print(type(f)) html=chunk.Chunk(f) print(html.getname()) print(html.getsize()) help('chunk') Help on module chunk: NAME chunk - Simple class to read…

by Alexander Libman with Vladimir GilbourdNovember 25, 2005 Summary This article investigates and compares different design patterns of high performance TCP-based servers. In addition to existing approaches, it proposes a scalable single-codebase, mu…

1. 问题的现象 比如在webConfig中定义了一个viewResolver public class WebConfig extends WebMvcConfigurerAdapter { //配置JSP视图解析器 @Bean public ViewResolver viewResolver() { InternalResourceViewResolver resolver = new InternalResourceViewResolver(); resolver.setPrefix("W…

eventloop的基本概念可以参考:http://www.ruanyifeng.com/blog/2013/10/event_loop.html Eventloop指的是独立于主线程的一条线程,专门用来处理IO事件,而如果Eventloop一个不够用,可以开多个. Eventloop底层也要基于异步的网络调用.文件调用才能发挥最大的作用. 可以看到,由于多出了橙色的空闲时间,所以主线程得以运行更多的任务,这就提高了效率.这种运行方式称为"异步模式"(asynchronous I/O)…