Ant needs tools.jar and unable to find it

Question

I am putting together a dev environment for a Java program and after the first try of my Ant build scripts I got this error:

Unable to locate tools.jar. Expected         


        

Answer 1

On Debian, after installing Ant with apt-get install ant, I've encountered the same error when running it:

Unable to locate tools.jar. Expected to find it in /usr/lib/jvm/java-6-openjdk-amd64/lib/tools.jar

Indeed, there's no mention of any tools.jar anywhere in /usr/lib, although /usr/lib/jvm/java-6-openjdk-amd64 itself does exist.

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https://packages.debian.org/search?searchon=contents&keywords=java-6-openjdk-amd64%2Flib%2Ftools.jar

As per the search above, java-6-openjdk-amd64/lib/tools.jar appears to be part of openjdk-6-jdk, which indeed didn't get installed with ant (since it's only marked as suggested (https://packages.debian.org/wheezy/ant)).

apt-get install openjdk-6-jdk