eclipse运行mapreduce 提示:Caused by: java.lang.ArrayIndexOutOfBoundsException

原创于 2016-04-07 17:13:25 发布 · 5.5k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#mapreduce #eclipse #数据 #编码 #hadoop

JAVA 同时被 2 个专栏收录

11 篇文章

订阅专栏

apache MapReduce

1 篇文章

订阅专栏

java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: 3
at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
at cn.kxl.WordcouuntAge$MapperAge.map(WordcouuntAge.java:24)
at cn.kxl.WordcouuntAge$MapperAge.map(WordcouuntAge.java:1)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:745)

一.split截取数据,数组下标越界

二.程序本身没错而是数据编码出现问题"数据乱码"了

我就是出现第二种问题....