Eclipse操作HDFS时常见错误

在Windows环境下，Eclipse操作hdfs时，出现

  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: 356 )      at org.apache.hadoop.util.Shell.getWinUtilsPath(Shell.java: 371 )      at org.apache.hadoop.util.Shell.<clinit>(Shell.java: 364 )      at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java: 80 )      at org.apache.hadoop.security.SecurityUtil.getAuthenticationMethod(SecurityUtil.java: 611 )      at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java: 272 )      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$$anonfun$getCurrentUserName$ 1 .apply(Utils.scala: 2001 )      at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$ 1 .apply(Utils.scala: 2001 )      at scala.Option.getOrElse(Option.scala: 120 )      at org.apache.spark.util.Utils$.getCurrentUserName(Utils.scala: 2001 )      at org.apache.spark.SecurityManager.<init>(SecurityManager.scala: 207 )      at org.apache.spark.SparkEnv$.create(SparkEnv.scala: 218 )      at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala: 163 )      at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala: 269 )      at org.apache.spark.SparkContext.<init>(SparkContext.scala: 272 )      at org.apache.spark.SparkContext.<init>(SparkContext.scala: 154 )      at SparkFromHbase$.main(SparkFromHbase.scala: 15 )      at SparkFromHbase.main(SparkFromHbase.scala)      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 57 )      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 43 )      at java.lang.reflect.Method.invoke(Method.java: 606 )      at com.intellij.rt.execution.application.AppMain.main(AppMain.java: 134 ) 解决方法：先查看你的hadoop解压路径下hadoop/bin有没有文件 winutils.exe，如果存在， 则在程序里加上System.setProperty("hadoop.home.dir",hadoop解压路径);

如果不存在文件winutils.exe，则需要下载该文件，然后放入hadoop解压后的bin下。

下载路径：http://download.csdn.net/detail/luoyepiaoxin/8860033