grunt serve - fails w/ Could not reserve enough space for object heap

[boblennes]

When I do "grunt serve" I get the following in the "clean" step:

FAILURE: Build failed with an exception.

• What went wrong:
  Unable to start the daemon process.
  This problem might be caused by incorrect configuration of the daemon.
  For example, an unrecognized jvm option is used.
  Please refer to the user guide chapter on the daemon at http://gradle.org/doc
  s/2.2.1/userguide/gradle_daemon.html
  Please read the following process output to find out more:

  Error occurred during initialization of VM
  Could not reserve enough space for object heap
  Error: Could not create the Java Virtual Machine.
  Error: A fatal exception has occurred. Program will exit.

Searching seems to say that somewhere I should need to add parms to increase my heap size, but I've tried several places but can't seem to locate the correct place.

[boblennes]

I did figure out typing in this 'set' works:
(run this in the command window before doing "grunt serve")
set GRADLE_OPTS=-Dorg.gradle.jvmargs=-Xmx512m

But I don't know where this set statement should live properly so I don't have to key it in...

[boblennes]

I figured out a way to make it stick,in case it helps someone:

Go to Start->Control Panel->System->Advanced(tab)->Environment Variables->System Variables->New

Variable name: _JAVA_OPTIONS

Variable value: -Xmx512M