刚开始我是使用的wait(),但是当adb命令返回太多时,程序就会卡死,查询得知原因后,才使用了communicate(),communicate()返回一个元组:(stdoutdata, stderrdata) 原因如下 转自:http://blog.csdn.net/carolzhang8406/article/details/22286913   之所以会纠结到这个问题上是因为发现在调用Popen的wait方法之后程序一直没有返回.google发现wait是有可能产生死锁的.为了把这个问题

之所以会纠结到这个问题上是因为发现在调用Popen的wait方法之后程序一直没有返回.google发现wait是有可能产生死锁的.为了把这个问题彻底弄清楚,搜索一些资料过来看看: 原文链接:http://blog.csdn.net/carolzhang8406/article/details/22286913 看到别人的例子: 今天遇到的一个问题.简单说就是,使用 subprocess 模块的 Popen 调用外部程序,如果 stdout 或 stderr 参数是 pipe,并且程序输出超过操作

crsctl check crs 发现第二行报错: CRS-4638: Oracle High Availability Services is onlineCRS-4535: Cannot communicate with Cluster Ready Services CRS-4529: Cluster Synchronization Services is onlineCRS-4533: Event Manager is online check crs的时候只出现crs-4535的错误,解

1. 今天想做一个hdfs的java工具类,但是在连接hdfs的时候,报如下错误: Exception in thread "main" org.apache.hadoop.ipc.RemoteException: Server IPC version 9 cannot communicate with client version 4 at org.apache.hadoop.ipc.Client.call(Client.java:1113) at org.apache.hadoop

1. 描述: 使用crs_stat –t 命令查看rac服務,直接報CRS-0184: Cannot communicate with the CRS daemon.錯誤 但是奇怪的是我們的DB是沒有問題的.sqlplus  / as sysdba可以繼續登陸,并使用. 2. 錯誤分析: 首先查看警告日誌:錯誤從2016/07/13號開始 /grid/11.2.0/log/phars1/alertphars1.log 2016-07-13 16:04:49.616: [crsd(21419)]C

Advanced Programming in the UNIX Environment Third Edition   In the previous chapter, we looked at pipes, FIFOs, message queues, semaphores, and shared memory the classical methods of IPC provided by various UNIX systems.These mechanisms allow proces

Some weeks ago I published how views can communicate using the EventAdmin-Service. To get things working in an 3.x application one has to write some glue code but more importantly one has to know about all those nifty things about event publishing, g

The client and server cannot communicate, because they do not possess a common algorithm This was resolved. It turns out our IT Staff was correct. Both TLS 1.1 and TLS 1.2 were installed on the server. However, the issue was that our sites are runnin

Ubuntu装好CUDA之后过段时间提示NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running. 解决方案一:su

很奇怪的一个问题! ORACLE数据库服务器,系统启动之后,查看集群状态,发现CRS实例不可用,然后网上查找资料: 隔了几分钟之后,再次查询相关集群服务状态,发现正常了!!! 暂时得出的结论:操作系统启动之后,默认相关集群服务是自动启动的,但是,开机后,需要加载或者集群服务启动需要一段时间,等几分钟之后,集群服务才能准备 就绪!!! 文末,有一篇其他情况的解决方式. [root@oracle01 ~]# /u01/app/11.2.0.4/grid/bin/crsctl start crs CR

In a real world scenario we obviously need to be able to communicate with an Angular Element embedded into our static HTML site. In this lesson we will learn how we can pass data into a Custom Element and how we can register to an Angular Element’s o

要素:1)通信双方:2)协议:3)支持机制(系统,进行协议注册):4)数据 https://developer.apple.com/library/content/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/Inter-AppCommunication/Inter-AppCommunication.html Using URL Schemes to Communicate with Apps A URL scheme lets

问题 安装nvidia driver和cuda关机重启之后出现不能进入系统的问题,进入命令行模式使用nvidia-smi检查驱动的问题. nvidia-smi NVIDIA-SMI has failed because it couldn't communicate with NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running. 以上错误说明是NVIDIA驱动与系统内核不匹配. 另外,使用

You are given a map of a server center, represented as a m * n integer matrix grid, where 1 means that on that cell there is a server and 0 means that it is no server. Two servers are said to communicate if they are on the same row or on the same col

题目如下: You are given a map of a server center, represented as a m * n integer matrix grid, where 1 means that on that cell there is a server and 0 means that it is no server. Two servers are said to communicate if they are on the same row or on the sa

使用idea的maven项目运行mapreduce程序Server IPC version 9 cannot communicate with client version 4 原因: Java初始化hdfs client时出现的,原因是maven依赖的版本和hdfs的版本不一致 maven仓库中的hadoop-core最高只有1.2.1版本, 不能加这个配置, 使用hadoop-common + hadoop-hdfs + hadoop-client的2.7.1版本即可 我的pom文件: <?

事件背景 rman清理脚本异常.导致磁盘空间爆满(一个环境变量没有设置正确) 释放磁盘空间,进行rman清理 之后,领导把实例重启,但是ams实例没有关闭 环境 系统 : AIX 数据库: Oracle10g 问题处理 下午,客户反应页面无法登陆. 事发第一时间,检查集群 1.进行集群检查 #crs_stat -t CRS-0184: Cannot communicate with the CRS daemon. 2.尝试启动(root) #crsctl start crs CRS-4640:

当输入nvidia-smi时出现 NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.报错,解决方式: sudo apt-get install dkms sudo dkms install -m nvidia -v 460.73.01 # 460.73.01是驱动

解决方案 xcrun git config --global user.email you@yourdomain.com xcrun git config --global user.name "Your Name Here" 参考:http://pinkstone.co.uk/how-to-fix-couldnt-communicate-with-a-helper-application-in-xcode-7/  

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