Hi All,
I am using GWT in my application.
My system is having 2GB RAM and I have around 2000 Java files to
compile. During compiling the files, I am using JVM argument -Xmx1024M
but my GWT compilation is failing and throwing this error.

[java]    Analyzing permutation #1
[java]       [ERROR] Unexpected internal compiler error
[java] java.lang.OutOfMemoryError: Java heap space
[java]     at java.util.Arrays.copyOfRange(Unknown Source)
[java]     at java.lang.String.<init>(Unknown Source)
[java]     at java.lang.StringBuffer.toString(Unknown Source)
[java]     at java.io.StringWriter.toString(Unknown Source)
[java]     at
com.google.gwt.dev.util.DefaultTextOutput.toString(DefaultTextOutput.java:
116)
[java]     at
com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.compile(JavaToJavaScriptCompiler.java:
403)
[java]     at
com.google.gwt.dev.GWTCompiler.realizePermutation(GWTCompiler.java:
697)
[java]     at
com.google.gwt.dev.GWTCompiler.compilePermutations(GWTCompiler.java:
411)
[java]     at com.google.gwt.dev.GWTCompiler.distill(GWTCompiler.java:
335)
[java]     at com.google.gwt.dev.GWTCompiler.run(GWTCompiler.java:764)
[java]     at com.google.gwt.dev.GWTCompiler.run(GWTCompiler.java:754)
[java]     at com.google.gwt.dev.GWTCompiler.main(GWTCompiler.java:
213)
[java]          [ERROR] Out of memory; to increase the amount of
memory, use the -Xmx flag at startup (java -Xmx128M ...)
[java] [ERROR] Build failed
[java] Java Result: 1

What is the problem?? Is my system memory is not enough or any other
reason??

Please help me out as no. of java files will be increasing because my
application is in developement.

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