Hadoop Oozie学习笔记(二) 使用OOZIE,通过命令行运行example
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? ? Oozie下面有很多例子,提供测试.也可以将源码放入Eclipse中启动提交.这里就一起试下.但发现有些问题,一一解决吧.
? ? ?运行Oozie例子map-reduce,命令:
? ? ?$OOZIE_HOME/bin/oozie job -oozie http://localhost:11000/oozie -config /home/guoyun/hadoop/oozie-3.0.2/examples/apps/map-reduce/job.properties -run
? ? ?本以为会很顺利,但控制台报以下错误:
? ? ?Error: E0902 : E0902: Exception occured: [java.net.ConnectException: Call to localhost/127.0.0.1:8020 failed on connection exception: java.net.ConnectException: Connection refused]
? ? 跑到日志中$OOZIE_HOME/logs/oozie.log发现有以下报错:
??2011-11-09 10:42:30,721 WARN V1JobsServlet:539 - USER[?] GROUP[users] TOKEN[-] APP[-] JOB[-] ACTION[-] URL[POST http://localhost:11000/oozie/v1/jobs?action=start] error[E0902], E0902: Exception occured: [java.net.ConnectException: Call to localhost/127.0.0.1:8020 failed on connection exception: java.net.ConnectException: Connection refused]
nameNode=file://jobTracker=localhost:9001queueName=defaultexamplesRoot=hadoop/oozie-3.0.2/examplesoozie.wf.application.path=${nameNode}/home/${user.name}/${examplesRoot}/apps/map-reduceoutputDir=map-reduce? ?再次运行得到以下结果:
? ?job: 0000001-111109111632287-oozie-guoy-W
? ?再去http://localhost:11000/oozie查看也能看到该job,并有相应的状态.
? ?OK!example运行成功!
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