public class MyActivityManager extends ExpandableListActivity { private static final String NAME = "NAME"; private static final String NO_USED = "NO_USED"; private String[] groups = { "showRecentTask", "showRunningTasks&…

Activity, Service,Task, Process and Thread之间到底是什么关系呢? 首先我们来看下Task的定义,Google是这样定义Task的:a task is what the user experiences as an "application." It's a group of related activities, arranged in a stack. A task is a stack of activities, not a class…

I'm not yet clear what I did, but I'm blogging it so it can be found if someone else has this issue. For whatever reason, last week both of my Vista 64-bit machines suddenly stopped being able to start IIS (Internet Information Server). The service j…

在运行hadoop程序时经常遇到异常 java.io.IOException: Task process exit with nonzero status of 1.网上很多博文都说是磁盘不够的问题. 其实我很多时候遇到这个问题是因为程序抛出org.apache.hadoop.mapred.Child: Error running child : java.lang.OutOfMemoryError:   unable to create new native thread这个问题导致程序失败并…

跑MR的时候抛出异常: java.lang.Throwable: Child Error at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:) Caused by: java.io.IOException: Task process exit with nonzero status of . at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:) 这里的code是…

最早的时候App Service被定义为一种后台服务,类似于极简版的Windows Service.App Service作为Background Task在宿主UWP APP中运行,向其他UWP APP提供服务,可用于UWP APP间通讯及交换数据. 早期的App Service应用场景较为单一,但随着Win10 1607版本对In Process AppService的支持,以及从Visual Studio2017开始支持的Desktop Extension和MSIX Package等一系列…

因为修改过管理员账号的密码后重启服务器导致IIS无法启动,出现已下异常 1.解决:"启动Windows Process Activation Service时,出现错误13:数据无效" 将c:\inetpub\history文件夹中的这个applicationHost.config文件,替换掉c:\windows\system32\inetsrv\config中的applicationHost.config,如果在c:\inetpub\history文件夹中有好几个类似CFGHISTO…

HDU 3433 A Task Process Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1368    Accepted Submission(s): 684 Problem Description There are two kinds of tasks, namely A and B. There are N workers…

场景 WCF应用程序部署在IIS7中,使用net.tcp协议对外给几百台客户端提供服务,应用程序池不断崩溃重启. 分析过程 在事件查看器中看到的错误信息类似于 为应用程序池“XX”提供服务的进程在与 Windows Process Activation Service 通信时出现严重错误 使用windbg在崩溃时进行分析,找到引发崩溃的堆栈的最顶部信息进行搜索,找到两个补丁包安装上 用于搜索的顶部异常信息为:IOCompletionThunk.UnhandledExceptionFrame Be…

hadoop出现namenode running as process 18472. Stop it first.等等,类别似几个的出现. namenode running as process 32972. Stop it first. 127.0.0.1: ssh: connect to host 127.0.0.1 port 22: No error 127.0.0.1: ssh: connect to host 127.0.0.1 port 22: No error jobtracker…