解决Maven/Ant中OutOfMemory错误

当Maven项目很大，或者你运行诸如 mvn site 这样的命令的时候，maven运行需要很大的内存，在默认配置下，就可能遇到java的堆溢出

exception:OutOfMemoryError

 

set 

MAVEN_OPTS=-Xms256m -Xmx512m -XX:PermSize=256m -XX:MaxPermSize=384m

ANT_OPTS=-Xmx512m -XX:PermSize=128m -XX:MaxPermSize=256m

 

Windows #

1. Go into your Control Panel > System > Advanced System Settings > Environment Variables settings
2. Click "New" in your User Variables
3. Variable name: "ANT_OPTS"
4. Variable value: "-Xmx1024m -XX:MaxPermSize=512m"

Setting ANT_OPTS in ant.bat #

1. Edit the ant.bat file in your ant home folder.
2. 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"