<wls:sharing-enabled>true</wls:sharing-enabled>

https://docs.oracle.com/cd/E13222_01/wls/docs90/webapp/sessions.html

 

sharing-enabled

false

Enables Web applications to share HTTP sessions when the value is set to true at the application level. This element is ignored if turned on at the Web application level.

 

关于目录结构：

https://docs.oracle.com/cd/E17904_01/web.1111/e13712/configurewebapp.htm#WBAPP161

myear
│   myWebApp.war
│
├───APP-INF
│   └───lib
│           shared.jar
│
└───META-INF
        application.xml
        weblogic-application.xml

 

 

application.xml 

a Java EE standard deployment descriptor

weblogic-application.xml

a WebLogic-specific application deployment descriptor

web.xml

Java web applications use a deployment descriptor file to determine how URLs map to servlets, which URLs require authentication, and other information.