The problem of distinguishing and sharing sessions for multiple applications in tongweb

Application scenarios ：

The same TongWeb Several application systems are deployed in the lower part ( Such as : application A And applications B), Multiple application systems need to jump to each other .

Need one ： Need to access each other's application context

terms of settlement :

Cross context access , You need to configure parameters in the startup script -Dopenejb.crosscontext=true

amount to tomcat Of <Context path="/A" debug="0" reloadable="true" crossContext="true" />

such B The applied code is available ：req.getSession().getServletContext().getContext("/A") obtain A The context of .

Demand two ： Multiple applications should be distinguished http The head of the jsessionid, In order to avoid confusion

terms of settlement ：

In application web.xml in Custom session cookie Name

<session-config>

     <session-timeout>30</session-timeout>

     <cookie-config>

         <name>MYJSESSIONID</name>   

     </cookie-config>

</session-config>

Demand 3 ： Multiple applications need to share one jsessionid, but session The attribute values stored in are different

terms of settlement ：

Configure parameters in the startup script :   -DSharedSessionContext=true

This is reuse http Request based on Cookie Incidental jsessionid, No new ID, Applicable to cross application jump and SSO application .ID Although the same , but session The attribute values in are different .

Demand 4 ： Multiple applications need to share one jsessionid,session The attribute values stored in the are the same

terms of settlement ：

Configure parameters in the startup script :   -DSharedSessionContext=true    -DSharedSessionEnable=true

The two parameters are true, Indicates that multiple applications share session.