IBM User Guide for Java V7 on Windows > Reference > Command-line options > Garbage Collector command-line options

-Xenableexcessivegc

If excessive time is spent in the GC, the option returns null for an allocate request and thus causes an OutOfMemory exception to be thrown.

-Xenableexcessivegc

The OutOfMemory exception is thrown only when the heap has been fully expanded and the time spent is making up at least 95%. This behavior is the default.

Parent: Garbage Collector command-line options

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