JAVA_OPTS for increasing heap size

Question

I want to increase my Heap size. How can I use JAVA_OPTS for doing so.I am getting the following error may be this is because of low heap size

UNEXPECTED TOP-LEVEL ERROR:
java.lang.OutOfMemoryError: Java heap space
    at java.util.Arrays.copyOfRange(Arrays.java:3209)
    at java.lang.String.<init>(String.java:215)
    at java.lang.StringBuilder.toString(StringBuilder.java:430)
    at com.android.dx.rop.type.Prototype.withFirstParameter(Prototype.java:370)
    at com.android.dx.rop.code.Rops.ropFor(Rops.java:1210)
    at com.android.dx.cf.code.RopperMachine.run(RopperMachine.java:478)
    at com.android.dx.cf.code.Simulator$SimVisitor.visitConstant(Simulator.java:692)
    at com.android.dx.cf.code.BytecodeArray.parseInstruction(BytecodeArray.java:763)
    at com.android.dx.cf.code.Simulator.simulate(Simulator.java:95)
    at com.android.dx.cf.code.Ropper.processBlock(Ropper.java:684)
    at com.android.dx.cf.code.Ropper.doit(Ropper.java:639)
    at com.android.dx.cf.code.Ropper.convert(Ropper.java:252)
    at com.android.dx.dex.cf.CfTranslator.processMethods(CfTranslator.java:256)

Solution

You should be able to use the information found in this post.

-Xmszzzm

where zzz is your minimum size.

-Xmxzzzm

where zzz is your maximum size.

JAVA_OPTS="-Xms128m -Xmx512m"

You can find more info on VM args here.

How to set it globally in your environment depends on your operating system. Which OS are you using?

EDIT: I see the "ubuntu" tag now.

You should just be able to put the JAVA_OPTs line in etc/environment. Once you modify etc/environment, you'll have to log out and back in for the updated environment variables to take effect.