14/09/20 22:41:13 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 14/09/20 22:41:13 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same. 14/09/20 22:41:13 INFO input.FileInputFormat: Total input paths to process : 2 14/09/20 22:41:14 WARN snappy.LoadSnappy: Snappy native library not loaded 14/09/20 22:41:14 INFO mapred.JobClient: Running job: job_local911496586_0001 14/09/20 22:41:14 INFO mapred.LocalJobRunner: Waiting for map tasks 14/09/20 22:41:14 INFO mapred.LocalJobRunner: Starting task: attempt_local911496586_0001_m_000000_0 14/09/20 22:41:14 INFO mapred.Task: Using ResourceCalculatorPlugin : null 14/09/20 22:41:14 INFO mapred.MapTask: Processing split: hdfs://192.168.1.112:9000/txt/yw/mic.php:0+338124 14/09/20 22:41:14 INFO mapred.MapTask: io.sort.mb = 100 14/09/20 22:41:14 INFO mapred.LocalJobRunner: Starting task: attempt_local911496586_0001_m_000001_0 14/09/20 22:41:14 INFO mapred.Task: Using ResourceCalculatorPlugin : null 14/09/20 22:41:14 INFO mapred.MapTask: Processing split: hdfs://192.168.1.112:9000/txt/yw/pip.txt:0+96393 14/09/20 22:41:14 INFO mapred.MapTask: io.sort.mb = 100 14/09/20 22:41:14 INFO mapred.LocalJobRunner: Map task executor complete. 14/09/20 22:41:14 WARN mapred.LocalJobRunner: job_local911496586_0001 java.lang.Exception: java.lang.OutOfMemoryError: Java heap space at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:354) Caused by: java.lang.OutOfMemoryError: Java heap space at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:954) at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:673) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:756) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364) at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:223) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) 14/09/20 22:41:15 INFO mapred.JobClient: map 0% reduce 0% 14/09/20 22:41:15 INFO mapred.JobClient: Job complete: job_local911496586_0001 14/09/20 22:41:15 INFO mapred.JobClient: Counters: 0
解决：
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eclipse使用hadoop插件出现java.lang.OutOfMemoryError: Java heap space
原文地址：http://qiangmzsx.blog.51cto.com/2052549/1556392
