【问题】

AppServer 6.5/7.0部署应用，后台显示异常，异常信息如下：

[SEVERE] [] [javax.enterprise.system.core] [tid: _ThreadID=56 _ThreadName=admin-listener(4)] [timeMillis: 1590571729791] [levelValue: 1000] [[部署应用程序 [XXXXX] 时发生异常]]

[SEVERE] [NCLS-CORE-00026] [javax.enterprise.system.core] [tid: _ThreadID=56 _ThreadName=admin-listener(4)] [timeMillis: 1590571729868] [levelValue: 1000] [[ Exception during lifecycle processing

java.lang.RuntimeException: There is no web component by the name of default here.

……

【解答】

编辑应用WEB-INF下的web.xml文件，增加名称为default的servlet定义，例如如下内容：

<servlet>
<servlet-name>default</servlet-name>
<servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>listings</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>