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Asked: 2026-05-16T15:47:29+00:00

I have installed the JDK, to C:\jdk, the JAVA_HOME variable is set to C:\jdk\jdk,

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I have installed the JDK, to C:\jdk, the JAVA_HOME variable is set to C:\jdk\jdk, and when I echo %JAVA_HOME% I get C:\jdk\jdk. Yet Tomcat complains.

The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE

I seem to be having errors with my environment variables. Often when I start a Command Line instance from the start menu, I receive different variables, to when I start an instance from the Windows 7 Right click > Open Command Window here.

What gives?

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1 Answer

  1. Editorial Team

    does C:\jdk\jdk have a bin/ directory? if not, try setting java home to just c:\jdk. failing that find out where the bin/ directory that has javac.exe in it and use the parent directory of bin/ for java home.

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