Installation guide

CHAPTER 1 Before You Install EAServer
Installation Guide 3
Note The hard disk space size may vary for different Linux distributions.
JDK versions
EAServer requires version 1.3.1 of the Java Development Kit (JDK) from Sun
Microsystems. You can optionally run servers with JDK 1.4.2 instead. By
default, JDK 1.3.1 and the optional JDK versions that you select are installed
with EAServer. You can also configure the installation to use an existing
version, as long as it is of the required patch level as listed in Table 1-1.
Table 1-1: JDK versions and required patch levels
To verify the version and patch level, change to the bin directory of the JDK
installation and run the following command:
java -version
To configure the installation to use an existing JDK installation, choose the
Custom installation type when running the installer. After you select the
desired JDK versions, the installer prompts you to specify whether to use an
existing JDK and for the location of the JDK.
Installation type Minimum hard disk space
Full 881MB
Client Runtime Only 453MB
Typical 834MB
Custom Depends on features selected
JDK version Patch level Notes
1.3.1 18 This version is required to run EAServer
Manager, jagtool, and other tools. You can also
use it to run servers on Linux versions other
than Red Hat Advanced Server.
1.4.2 13 This version is required to run the Web Services
Toolkit. With JDK 1.4, the client and server
virtual machines (VMs) are supported; the
classic VM is not.
1.5.0 09 This version prevents possible security
vulnerability using password fields in J2EE or
Java GUI application.