从hadoop 1.2.1升级到 Hadoop2.6.0,调试写代码,还是遇到一些问题的.这里记录一下,后续如果自己再遇到类似问题,那也好找原因了. 在eclipse里编译运行 WordCount,出现以下错误. Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/yarn/util/Apps at java.lang.ClassLoader.defineClass1(Native M
错误信息如下: 15/09/05 03:48:02 INFO mapreduce.Job: Job job_1441395011668_0001 failed with state FAILED due to: Application application_1441395011668_0001 failed 2 times due to AM Container for appattempt_1441395011668_0001_000002 exited with exitCode: 1 F
错误: 14/04/29 02:45:07 INFO mapreduce.Job: Job job_1398704073313_0021 failed with state FAILED due to: Application application_1398704073313_0021 failed 2 times due to Error launching appattempt_1398704073313_0021_000002. Got exception: org.apache