Check sudo gedit /etc/environment

echo ‘ANT_HOME=”/usr/share/ant”‘ | sudo tee -a /etc/environment

echo ‘ANT_OPTS=”-Xmx1024M”‘ | sudo tee -a /etc/environment

echo ‘ANT_OPTS=”-Xmx1024M -XX:MaxPermSize=128M”‘ | sudo tee -a /etc/environment (for 64bit operating systems)

source /etc/environment

#### Check sudo  gedit /etc/environment  (( Comments or uncomments the file ))!!!

make it clear withou -- > ‘ANT_OPTS