I am using eclipse to export the jar file of a map-reduce program. When i am run the jar using command hadoop jar hadoop-prog.jar WordCount /home/temp/input /home/temp/output it always shows the error : Exception in thread "main" java.lang.Class…

.jar 学习好友推荐案例的时候,提交运行时报错找不到StringUtils java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtils [root@node01 ~]# hadoop jar MyFOF.jar com.sxt.hadoop.mr.fof.MyFOF // :: WARN mapreduce.JobResourceUploader: Hadoop command-line option parsi…

数据导入的时候出现: at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:) at java.lang.Class.getMethod0(Class.java:) at java.lang.Class.getMethod(Class.java:) at org.apache.hadoop.util.ProgramDriver$Pr…

sqoop从mysql导入到hive报错: 18/08/22 13:30:53 ERROR tool.ImportTool: Import failed: java.io.IOException: java.lang.ClassNotFoundException: org.apache.hadoop.hive.conf.HiveConf at org.apache.sqoop.hive.HiveConfig.getHiveConf(HiveConfig.java:50) at org.apach…

ERROR tool.ImportTool: Import failed: java.io.IOException: java.lang.ClassNotFoundException: org.apache.hadoop.hive.conf.HiveConf sqoop从mysql导入到hive报错: 18/08/22 13:30:53 ERROR tool.ImportTool: Import failed: java.io.IOException: java.lang.ClassNotFou…

错误如下 Error: java.lang.RuntimeException: java.lang.ClassNotFoundException: Class com.zhen.mr.RunJob$HotMapper not found at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:) at org.apache.hadoop.mapreduce.task.JobContextImpl.getMapperC…

最近遇到一个问题,不知怎么突然运行hadoop的map程序报错,困扰了我很久,现在来给大家分享分享.. 错误信息 2017-05-18 21:34:22,104 INFO [main] client.RMProxy (RMProxy.java:createRMProxy(98)) - Connecting to ResourceManager at /0.0.0.0:8032 2017-05-18 21:34:22,642 WARN [main] mapreduce.JobResourceUpl…

在创建自定义的Mapper时候,编译正确,但上传到集群执行时出现错误: 11/16/05 22:53:16 INFO mapred.JobClient: Task Id : attempt_201111301626_0015_m_000000_0, Status : FAILED java.lang.RuntimeException: java.lang.ClassNotFoundException: actiondemo.MyJob$MapClass at org.apache.Hadoop.…

14/02/28 20:29:48 INFO mapred.JobClient: Task Id : attempt_201402281833_0004_m_000000_1, Status : FAILED java.lang.RuntimeException: java.lang.ClassNotFoundException: cmd.CmdWordCount$MyMapper at org.apache.hadoop.conf.Configuration.getClass(Configur…

[root@h1 ~]# hadoop jar W1.jar hdfs://h1:9000/hello hdfs://h1:9000/cmd Exception in thread "main" java.lang.ClassNotFoundException: hdfs://h1:9000/hello at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at org…