近期帮助一个朋友解决eclipse hadoop连接问题run as hadoop方式,(hadoop 2.X Eclipse 4.5.X)报错信息:error:call from alia-pc/192.168.111.1 to 192.168.1.73:9000 failed on connection exception:java.net.Connection:Connection refused:no further...【阅读全文】
配置hadoop-eclipse开发环境(Version: 3.4.1 and hadoop-1.2.1)hadoop-eclipse-1.2.1 插件需要自行编译,所以为了图省事而从网上直接下载了这个jar包,下载资源。下载这个jar包后,将它放置在eclipse/plugins目录下,并重启eclipse即可。如果你需要自己编译该插件,网上搜索下。...【阅读全文】
清洗数据写好代码后,运行报错:ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker because java.io.IOException: Failed to set permissions of path: \tmp\hadoop-****** to 0700 at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:682) at org.apache.hadoop.fs....【阅读全文】