mycat启动失败，查看日志发现如下信息
1 STATUS | wrapper | 2017/11/22 16:15:17 | --> Wrapper Started as Daemon 2 STATUS | wrapper | 2017/11/22 16:15:17 | Launching a JVM... 3 ERROR | wrapper | 2017/11/22 16:15:17 | Unable to start JVM: No such file or directory (2) 4 ERROR | wrapper | 2017/11/22 16:15:17 | JVM exited while loading the application. 5 STATUS | wrapper | 2017/11/22 16:15:22 | Launching a JVM... 6 ERROR | wrapper | 2017/11/22 16:15:22 | Unable to start JVM: No such file or directory (2) 7 ERROR | wrapper | 2017/11/22 16:15:22 | JVM exited while loading the application. 8 STATUS | wrapper | 2017/11/22 16:15:26 | Launching a JVM... 9 ERROR | wrapper | 2017/11/22 16:15:26 | Unable to start JVM: No such file or directory (2) 10 ERROR | wrapper | 2017/11/22 16:15:26 | JVM exited while loading the application. 11 STATUS | wrapper | 2017/11/22 16:15:30 | Launching a JVM... 12 ERROR | wrapper | 2017/11/22 16:15:30 | Unable to start JVM: No such file or directory (2) 13 ERROR | wrapper | 2017/11/22 16:15:30 | JVM exited while loading the application. 14 STATUS | wrapper | 2017/11/22 16:15:34 | Launching a JVM... 15 ERROR | wrapper | 2017/11/22 16:15:34 | Unable to start JVM: No such file or directory (2) 16 ERROR | wrapper | 2017/11/22 16:15:34 | JVM exited while loading the application. 17 FATAL | wrapper | 2017/11/22 16:15:34 | There were 5 failed launches in a row, each lasting less than 300 seconds. Giving up. 18 FATAL | wrapper | 2017/11/22 16:15:34 | There may be a configuration problem: please check the logs. 19 STATUS | wrapper | 2017/11/22 16:15:34 | <-- Wrapper Stopped
原因可能是JVM参数没有配置或者配置错误
处理方案：
/bin/wrapper.conf 下增加：
wrapper.java.command=java安装目录/bin/java
例如：
wrapper.java.command=/usr/java/jdk1.8.0_72/bin/java
