One very common developer mistake that leads to the JAVA_HOME is set to an invalid directory error is pointing JAVA_HOME to the in sub-directory of the JDK installation. How to find JAVA_HOME in Mac or Ubuntu Linux computers. On an Ubuntu, Mac or Linux machine, the command uses a dollar sign instead of percentages: :-$ echo $JAVA_HOME

If you encounter the JAVA_HOME invalid directory error, make sure the name of the installation folder and the value of the variable match.Īn easy way to see the actual value associated with the JAVA_HOME variable is to simply echo its value on the command line. It must point directly at the JDK installation directory itself. It cannot point to a sub-directory of the JDK, and it cannot point to a parent directory that contains the JDK. The JAVA_HOME environment variable must point to the root of the installation folder of a JDK. All you need to do to fix this error is edit the JAVA_HOME variable and point it to the correct directory. And, it also tells you it’s not pointing to the right place, which is helpful as well. The error message is delightfully helpful, because it tells you in no uncertain terms the environment variable does in fact exist. The next most common JAVA_HOME error message is JAVA_HOME is set to an invalid directory. The JAVA_HOME is set to an invalid directory fix If one isn’t, then you better hop to it and get that done. As mentioned above, the JAVA_HOME variable must point to the installation root of a JDK, which means a JDK must actually be installed.

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