Null Attributes; Jvm; Rmi - BEA WebLogic Server 7 Upgrade Manual

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Upgrading WebLogic Server 4.5 and 5.1 to Version 7.0

Null Attributes

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
returning "null" is the default. Setting
with "null" results are printed as an empty string, not the string "null."
An example of configuring the
<weblogic-web-app>
<jsp-param>
<param-name>printNulls</param-name>
<param-value>false</param-value>
</jsp-param>
</weblogic-web-app>

JVM

WebLogic Server 7.0 installs the Java Virtual Machine (JVM), JDK 1.3.1_02, with the
server installation. The
JVM. The latest information regarding certified JVMs is available at the
Page.

RMI

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,
regenerate the wrapper classes so they are compatible with WebLogic Server 7.0.
Use
weblogic.rmi.Remote.
Use
not use
2-30 BEA WebLogic Server 7.0 Upgrade Guide
called
weblogic.xml
setenv.sh
to tag interfaces as remote. Do not use
java.rmi.Remote
java.rmi.*Exception
weblogic.rmi.*Exception
which is true by default, meaning that
printNulls
to false ensures that expressions
printNulls
element in
printNulls
scripts provided with the server all point to the
weblogic.rmic
(e.g.,
import java.rmiRemoteException;
.
:
weblogic.xml
Certifications
, on any existing code to
). Do