Did you ever have the problem that JDeveloper crashes each day during your lunch break? Worry no more. It’s most likely a problem with too less memory.

JDeveloper memory settings are stored in $MIDDLEWARE_HOME/jdeveloper/ide/bin/ide.conf.

JDeveloper IDE configuration

Change the following lines to settings of your liking. A maximum heap size of around 1,5 GB seems to be a good setting if your working heavily with SOA projects (and have enough memory on your machine).

AddVMOption -Xmx640M
AddVMOption -Xms128M

Hope this helps to reduce your regular JDeveloper shutdowns and low memory warnings.

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