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Introduction #
This article describes how to set an environment variable, specifically ANT_OPTS.
If you are getting this error:
Please set the environment variable ANT_OPTS to the recommended value of "-Xmx1024m -XX:MaxPermSize=512m".
It means that your environment variable is not set and that you need to set it.
Set ANT_OPTS #
Windows #
- Go into your Control Panel > System > Advanced System Settings > Environment Variables settings
- Click "New" in your User Variables
- Variable name: "ANT_OPTS"
- Variable value: "-Xmx1024m -XX:MaxPermSize=512m"
Setting ANT_OPTS in ant.bat #
- Edit the ant.bat file in your ant home folder.
- Add the following line at the top of the file:
set ANT_OPTS=-Xmx1024m -XX:MaxPermSize=512m
Ubuntu #
Edit ~/.bashrc or ~/.bash_profile to include:
ANT_OPTS="-Xmx1024m -XX:MaxPermSize=512m" export ANT_OPTS
Make sure to exit the command prompt to realize the changes.
Mac OS X #
~/.profile
Append:
export ANT_OPTS="-Xmx1024m -XX:MaxPermSize=512m"
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