Sun GlassFish Communications Server 1.5 Release Notes

Using 3.5 GB Java heap causes instances to restart while traffic is on (Issue 1169)

Description

When JVM heap size is set to 3.5 GB, Communications Server instances fail and restart when they receive traffic.

Solution

Ensure that the maximum JVM heap size is set to 3.0 GB or less. For details on how to change the JVM heap size, see TBDlink