mycat 启动失败 The specified size exceeds the maximum representable size

[root@server1 bin]# ./mycat console
Running Mycat-server...
wrapper  | --> Wrapper Started as Console
wrapper  | Launching a JVM...
wrapper  | JVM exited while loading the application.
jvm 1    | Invalid maximum heap size: -Xmx4G
jvm 1    | The specified size exceeds the maximum representable size.
jvm 1    | Error: Could not create the Java Virtual Machine.
jvm 1    | Error: A fatal exception has occurred. Program will exit.
wrapper  | INT trapped.  Shutting down.
wrapper  | <-- Wrapper Stopped

#最大内存不足Xmx4G，设置相关启动的配置文件
vi /usr/local/mycat/conf/wrapper.conf

wrapper.java.additional.10=-Xmx4G
wrapper.java.additional.11=-Xms1G
改为：
wrapper.java.additional.10=-Xmx512M
wrapper.java.additional.11=-Xms64M

#启动 mycat ，正常
[root@server1 bin]# /usr/local/mycat/bin/mycat console
Running Mycat-server...
wrapper  | --> Wrapper Started as Console
wrapper  | Launching a JVM...
jvm 1    | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org jvm 1    |   Copyright 1999-2006 Tanuki Software, Inc.  All Rights Reserved.
jvm 1    |
jvm 1    | Java HotSpot(TM) Server VM warning: You have loaded library /usr/local/mycat/lib/libwrapper-linux-x86-32.so which might have disabled stack guard. The VM will try to fix the stack guard now.
jvm 1    | It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
jvm 1    | log4j 2016-04-13 05:43:48 [./conf/log4j.xml] load completed.
jvm 1    | MyCAT Server startup successfully. see logs in logs/mycat.log