HADOOP-12014. hadoop-config.cmd displays a wrong error message. Contributed by Kengo Seki.

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -737,6 +737,9 @@ Release 2.8.0 - UNRELEASED
 
     HADOOP-12000. cannot use --java-home in test-patch (aw)
 
+    HADOOP-12014. hadoop-config.cmd displays a wrong error message.
+    (Kengo Seki via aajisaka)
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.cmd

@@ -115,7 +115,7 @@ if not defined JAVA_HOME (
 
 if not exist %JAVA_HOME%\bin\java.exe (
   echo Error: JAVA_HOME is incorrectly set.
-  echo        Please update %HADOOP_HOME%\conf\hadoop-env.cmd
+  echo        Please update %HADOOP_CONF_DIR%\hadoop-env.cmd
   goto :eof
 )