Hm, there is no jre directory.


On 11/26/2017 11:08 PM, Ed Greshko wrote:
On 11/27/17 05:43, cen wrote:
Perhaps I am just going crazy but maven just won't pick up JAVA_HOME on F27.

1. sudo dnf install maven

2. echo $JAVA_HOME returns /usr/lib/jvm/java-9-openjdk-9.0.0.181-7.fc27.x86_64
(which includes bin dir with JDK tools such as javac, keytool etc so it is JDK for
sure)

3. Any mvn command results in

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


Also tried JDK8 and Oracel Java 9

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.fc27.x86_64

export JAVA_HOME=/usr/java/jdk-9.0.1


..same result. I feel like there is some hidden config messing me up

or some weird stuff happening. Anyone has an idea what it could be? Last time I was
still on F26 and it worked.

The last time I did anything with java the JAVA_HOME variable needed to be pointing
to the jre (java runtime engine) directory.

Also, you should be using /usr/lib/jvm/java since your path will become invalid on
upgrades.




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