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Unable to find a $JAVA_HOME at "/usr", continuing with system-provided Java

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The output of any Java command on Mac OS X is prefixed with "Unable to find a $JAVA_HOME at "/usr", continuing with system-provided Java...". For example,

 $ java -version Unable to find a $JAVA_HOME at "/usr", continuing with system-provided Java... java version "1.6.0_43" Java(TM) SE Runtime Environment (build 1.6.0_43-b01-447-11M4203) Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01-447, mixed mode)
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mon4goos Avatar asked Mar 28 '13 03:03

mon4goos

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1 Answers

The Java home environment variable is set incorrectly, possibly due to instructions from an outdated guide (e.g. EC2 Command Line Tools).

Wherever you set JAVA_HOME (e.g. .bashrc), change it to:

export JAVA_HOME="$(/usr/libexec/java_home)"

As of Mac OS X 10.5, that executable is the supported method of setting JAVA_HOME.

https://developer.apple.com/library/content/qa/qa1170/_index.html

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mon4goos Avatar answered Oct 04 '22 01:10

mon4goos
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