ava.io.IOException: HADOOP_HOME or hadoop.home.dir are not set. at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:302) at org.apache.hadoop.util.Shell.<clinit>(Shell.java:327) at org.apache.hadoop.util.GenericOptionsParser.preProcessForWindows(GenericOptionsParser.java:438) at org.apache.hadoop.util.GenericOptionsParser.parseGeneralOptions(GenericOptionsParser.java:484) at org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:170) at org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:153) at WordCount.main(WordCount.java:52) ERROR - Failed to locate the winutils binary in the hadoop binary path java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries
解决办法：在main方法内部第一行添加如下代码 在APPLICATION.java
System.setProperty("hadoop.home.dir", "D:\\Develop\\hadoop-2.6.0");