BEA WebLogic Server 7 사용자 설명서

BEA WebLogic Server 7.0 Upgrade Guide

Due to a change in the JSP specification, null request attributes now return the string 
"null" instead of an empty string. WebLogic Server versions since 6.1 contain a new 
flag in 

weblogic.xml

 called 

printNulls

 which is true by default, meaning that 

returning "null" is the default. Setting 

printNulls

 to false ensures that expressions 

with "null" results are printed as an empty string, not the string "null."

An example of configuring the 

printNulls

 element in 

weblogic.xml

:

<weblogic-web-app>

<jsp-param>

<param-name>printNulls</param-name>

<param-value>false</param-value>

</jsp-param>

</weblogic-web-app>

WebLogic Server 7.0 installs the Java Virtual Machine (JVM), JDK 1.3.1_02, with the 
server installation. The 

setenv.sh

 scripts provided with the server all point to the 

JVM. The latest information regarding certified JVMs is available at the

.

The following tips are for users porting to WebLogic Server 7.0 who used RMI in their 
previous version of WebLogic Server:

„

Re-run the WebLogic RMI compiler, 

weblogic.rmic

, on any existing code to 

regenerate the wrapper classes so they are compatible with WebLogic Server 7.0.

„

Use 

java.rmi.Remote

 to tag interfaces as remote. Do not use  

weblogic.rmi.Remote.

„

Use 

java.rmi.*Exception

 (e.g.,

 import java.rmiRemoteException;

). Do 

not use 

weblogic.rmi.*Exception

.