How do I increase the maximum Java heap size when compiling?

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94 Support KB Author September 2, 2009 isCOBOL General 13263

Question:

When compiling a large program I got the following error:

The system is out of resources.

			java.lang.OutOfMemoryError: Java heap space

How do I increase the maximum heap size?

Answer:

Use the Java -Xmx option. -Xmx128m increases the maximum heap size to 128 MB.

You can compile with "java -Xmx128m com.iscobol.compiler.Pcc LARGEPROG.CBL", or with "iscc -J-Xmx128m LARGEPROG.CBL"

How do I increase the maximum Java heap size when compiling?

Estimated Reading Time: < 1 Minute Support KB Author September 2, 2009 13263