（二十九）IDEA开发Spark报错: Failed to locate the winutils binary in the hadoop binary path

18/09/18 10:23:10 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
18/09/18 10:23:10 ERROR Shell: 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.
    at org.apache.hadoop.util.Shell.getQualifiedBinPath(Shell.java:378)
    at org.apache.hadoop.util.Shell.getWinUtilsPath(Shell.java:393)
    at org.apache.hadoop.util.Shell.(Shell.java:386)
    at org.apache.hadoop.util.StringUtils.(StringUtils.java:79)
    at org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
    at org.apache.hadoop.security.Groups.(Groups.java:94)
    at org.apache.hadoop.security.Groups.(Groups.java:74)
    at org.apache.hadoop.security.Groups.getUserToGroupsMappingService(Groups.java:303)
    at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:283)
    at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:260)
    at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:790)
    at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:760)
    at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:633)
    at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$1.apply(Utils.scala:2467)
    at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$1.apply(Utils.scala:2467)
    at scala.Option.getOrElse(Option.scala:121)
    at org.apache.spark.util.Utils$.getCurrentUserName(Utils.scala:2467)
    at org.apache.spark.SparkContext.(SparkContext.scala:292)
    at www.ruozedata.LogApp$.main(LogApp.scala:9)
    at www.ruozedata.LogApp.main(LogApp.scala)

解决方法：https://blog.csdn.net/abc50319/article/details/80284741