JAVA invalid maximum heap size. The specified size exceeds the maximum representable size

JAVA invalid maximum heap size. The specified size exceeds the maximum representable size

If your JVM is 32-bit you cannot use the switch -d64

java -Xmx2G -cp .:jsoup-1.8.2.jar CheckSyntax test.xml > test2.xml

32 bit java cant use heapsize > 2G

JAVA invalid maximum heap size. The specified size exceeds the maximum representable size

Here is the link to get Java 64bit to allow a larger heap-size. Just select the Windows Offline (64-bit) option.
https://www.java.com/en/download/manual.jsp

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