Red Hat NETSCAPE ENTERPRISE SERVER 6.1 - NSAPI PROGRAMMER GUIDE Uživatelský manuál stáhnout pdf (Strana 61)

Chapter 4 Migrating Your Enterprise Server 61

Migrating NSAPI Applications

Most NSAPI programs you used with iPlanet Web Server 4.x will work in

Enterprise Server 6.1 without being recompiled. Some undocumented data

structures have been moved out of

nsapi.h and are no longer public. Going

forward, if your plugins use any of these data structures,youshould re-write them

to use accessor functions. The data structures that are now private are defined in

nsapi_pvt.h, which is shipped with the build for informational purposes only.

Custom NSAPI plug-ins are not automatically copied to the new server directory.

If you have custom plug-ins,make sure youcopy your plug-ins to the upgraded

path as shown in the magnus.conf of the new server.

For more information onthese data structures and the new accessor functions, see

the Netscape Enterprise Server NSAPI Programmer’s Guide.

Migrating Java Servlets

After you’ve migrated your server, Java servlets that ran in iPlanet Web Server 4.x

should run in Enterprise Server 6.1 without being recompiled. The migration

leaves iPlanet Web Server 4.x servlets in their original directory. The migrated

servlets run in compatibility mode, whichmay make them a little slowerthan other

Enterprise Server 6.1 servlets.

Also, if your iPlanet Web Server 4.x servlet referenced any additional files, you

need to add the path to these files to your JVM classpath. To update the classpath,

use the Configure JVM Attributes page, which you can find in the Server Manager

on the Servlets tab.

Although iPlanet Web Server 4.x servlets and JavaServer Pages™ run properly

without modification on Enterprise Server 6.1, application developers should

rewrite these as web applications to take advantage of new features.

NOTE

When you install the Java subcomponent, the configuration files that are

installed include a set of files that end in .default (for example,

rules.properties.default).These files contain thedefault values for

the Java configuration files. During migration, the Java configuration files

are not changed from the previous version. If you want to update the old

files to the new settings, refer to the .default files. You can also refer to

the .default files in the future if you want to revert to the Enterprise

Server

6.1 default settings.

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Red Hat NETSCAPE ENTERPRISE SERVER 6.1 - NSAPI PROGRAMMER GUIDE Uživatelský manuál Strana 61