Hadoop 清管器不在码头工作
我是新来的猪,我已经从 现在,当我在linux终端中编写pig时,它会显示以下消息Hadoop 清管器不在码头工作,hadoop,apache-pig,bigdata,Hadoop,Apache Pig,Bigdata,我是新来的猪,我已经从 现在,当我在linux终端中编写pig时,它会显示以下消息 2013-04-26 17:14:53,641 [main] INFO org.apache.pig.Main - Logging error messages to: /home/vishal/Downloads/pig_1366976693634.log Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop
2013-04-26 17:14:53,641 [main] INFO org.apache.pig.Main - Logging error messages to: /home/vishal/Downloads/pig_1366976693634.log
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/mapred/JobConf
at org.apache.pig.Main.run(Main.java:587)
at org.apache.pig.Main.main(Main.java:111)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.mapred.JobConf
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 7 mor
是我必须包括jar还是其他什么问题
谢谢您需要包括mapred java归档,具体取决于您使用的MapReduce版本,即MRv1或MRv2(=纱线)
仅供参考:
java.lang.NoClassDefFoundError
总是关于一个忘记/键入错误的JAR文件尝试pig-x local
,默认模式是mapreduce,您需要为此安装hadoop。