COGNOS11,JVM设置有上限吗？

JVM>63g

29/06/2017,10:20:29,Err,Failed to launch a test JVM with the current memory setting.

Details from the JVM :

JVMJ9VM015W 在库 j9gc28(2) 中发生初始化错误 未能实例化堆。已请求 65530M

Error: Could not create the Java Virtual Machine.

Error: A fatal exception has occurred. Program will exit.