Files that control the amount of memory afforded to the JVM for JDeveloper upon startup, relative to the jdeveloper/ide/bin/ directory, include:
- jdev.conf
- ide.conf
Update these files as follows:
- Quit JDeveloper.
- Edit
ide.conf. - Append the following
AddVMOption -Xms256M AddVMOption -Xmx1024M
- Edit
jdev.conf. - Find the
AddVMOptionfor the “heap size.” - Change the values as follows:
AddVMOption -Xmx1024M AddVMOption -XX:MaxPermSize=1024M
source:
http://stackoverflow.com/questions/3442323/java-lang-outofmemory-java-heap-space-jdeveloper