日志中有警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'debug' to '0' did not find a matching property.
跟蹤后發現是連接池的配置問題:
<Context path="/n" docBase="E:/xxx/war" debug="0" reloadable="true" crossContext="false">
把debug="0"去除即可。
具體原因未查。