錯誤信息：

[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

解決辦法：

#最大內存不足Xmx4G，設置相關啟動的配置文件
vi /usr/local/mycat/conf/wrapper.conf
?
wrapper.java.additional.10=-Xmx4G
wrapper.java.additional.11=-Xms1G
改為：
wrapper.java.additional.10=-Xmx512M
wrapper.java.additional.11=-Xms64M

再次啟動，正常：
#啟動 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

---------------------?
作者：薛定諤的DBA?
來源：CSDN?
原文：https://blog.csdn.net/kk185800961/article/details/51146576?
版權聲明：本文為博主原創文章，轉載請附上博文鏈接！

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