Nov 22, 2015 2:18:29 PM org.apache.catalina.core.StandardContext setPath
 WARNING: A context path must either be an empty string or start with a '/' and do not end with a '/'. The path [/] does not meet these criteria and has been changed to []

在tomcat的Server.xml裡面，找到context。

如果你的context裡面的path屬性設定為null 或者 / 請直接刪除掉。

原因在下面網頁：

摘出來：

57216: Improve handling of invalid context paths. A context        path should either be an empty string or start with a        '/' and do not end with a        '/'. Invalid context path are automatically        corrected and a warning is logged. The null and        "/" values are now correctly changed to        ""