我刚刚下载了hadoop并解压缩了文件。但是当我从命令提示符运行hadoop
version命令时，我遇到了错误。我仔细检查一下，并将JAVA_HOME设置为“ C：\ Program Files \ Java \
jdk1.8.0_45”，这对我来说不错。

C:\Users\shri-pc>hadoop version
The system cannot find the path specified.
Error: JAVA_HOME is incorrectly set.
       Please update C:\JAVA\hadoop-2.6.0\conf\hadoop-env.cmd
'-Xmx512m' is not recognized as an internal or external command,
operable program or batch file.

java -version命令的输出正常。请指教 。

C:\Users\shri-pc>java -version
java version "1.8.0_51"
Java(TM) SE Runtime Environment (build 1.8.0_51-b16)
Java HotSpot(TM) Client VM (build 25.51-b03, mixed mode)