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Errors occurred during the build. Errors running builder 'DeploymentBuilder' on project '项目名'
问题描述: Errors occurred during the build. Errors running builder 'DeploymentBuilder' on project 'myf'. java.lang.NullPointerException 问题分析: 此问题一般发生在Myeclipse 保存文件并自动部署时候。本人在写项目的时候,还没等部署好,关闭了了myecli...
分类:其他好文   时间:2014-11-10 15:33:08    阅读次数:292
rpc远程过程协议调用
在linux 5.X以及下的版本你可以通过service portmap status命令查看rpc是否启动。如果提示running,表示正在运行;如果提示stop就是关闭了。如果没有安装,则通过安装光盘里的portmap软件包即可。通过service portmap start开启。在linux....
分类:其他好文   时间:2014-11-10 11:18:36    阅读次数:167
[Erlang危机](4.0)连接远程节点
连接到远程节点Interacting with a running server program is traditionally done in one of two ways. One is to do it through an interactive shell kept available by using a screen or tmux session that runs in th...
分类:其他好文   时间:2014-11-09 09:56:37    阅读次数:127
Hadoop2 NameNode HA配置
Hadoop2NameNodeHA配置Hadoop2官方提供了两种NameNodeHA的实现方式,分别基于QJM和NFS,这里以基于QJM的HDFSHA为例。实验环境系统版本:CentOSrelease6.4(Final)Hadoop版本:ApacheHadoop2.5.1Hive版本:Hive0.13.1IP列表IPHostnameNameNodeDataNodeRMNodeManagerJournalNode192..
分类:其他好文   时间:2014-11-08 02:16:48    阅读次数:322
pyzmq missing when running ipython notebook
Q:I can run iPython, but when I try to initiate a notebook I get the following error:~ ipython notebook Traceback (most recent call...
分类:编程语言   时间:2014-11-08 02:01:09    阅读次数:269
HDFS 上传文件不均衡和Balancer太慢的问题
向HDFS上传文件,如果是从某个datanode开始上传文件,会导致上传的数据优先写满当前datanode的磁盘,这对于运行分布式程序是非常不利的。 解决的办法: 1、从其他非datanode节点上传 可以将hadoop的安装目录复制一份到一个不在集群中的节点(直接从非datanode的namenode上传也可以,但是这样不太好,会增加namenode的负担,并且时间长了会让namenode...
分类:Web程序   时间:2014-11-07 17:10:35    阅读次数:200
centOS6.3(64bit)Hadoop的Eclipse开发环境搭建
操作系统centos6.3(64位) 一个namenode 两个datanode Hadoop版本:hadoop-1.1.2 Eclipse版本:eclipse-standard-kepler-SR2-linux-gtk-x86_64.tar.zip( Eclipse SDK For Linux 4.4 RC 2(64 Bit ) ) JDK:版本 [work@...
分类:系统相关   时间:2014-11-07 17:04:40    阅读次数:288
[Erlang危机]Erlang In Danger 序言
IntroductionOn Running Software运行时软件There’s something rather unique in Erlang in how it approaches failure compared to most other programming languages. There’s this common way of thinking where the...
分类:其他好文   时间:2014-11-06 20:04:07    阅读次数:296
error[No partition metadata for topic test-1 due to kafka.common.LeaderNotAvailableException]
http://stackoverflow.com/questions/23228222/running-into-leadernotavailableexception-when-using-kafka-0-8-1-with-zookeeper-3 Kafka uses an external coordination framework (by default Zookeeper) t...
分类:Web程序   时间:2014-11-06 13:09:23    阅读次数:1423
Hot Days Codeforces Round #132 (Div. 2) D(贪心)
Description The official capital and the cultural capital of Berland are connected by a single road running through n regions. Each region has a unique climate, so the i-th (1?≤?i?≤?n) region has...
分类:其他好文   时间:2014-11-04 17:33:03    阅读次数:169
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