2 Upgrading WebLogic Server 4.5 and 5.1 to Version 7.0

„“Porting and Converting Enterprise JavaBeans Applications” on page 2-16

„“Creating an Enterprise Application” on page 2-23

„“Understanding J2EE Client Applications” on page 2-24

„“Upgrading JMS” on page 2-25

„“Upgrading Oracle” on page 2-25

„“Additional Porting and Deployment Considerations” on page 2-26

Note: Throughout this document the word, upgrade, is used to refer to upgrading to a later version of WebLogic Server and the word, port, is used to refer to moving your applications from an earlier version of WebLogic Server to a later version.

Upgrading Your WebLogic Server Configuration: Main Steps

Take the following steps to upgrade from WebLogic Server 4.5 or 5.1 to WebLogic Server 7.0:

1.Make a back-up copy of your 4.5 or 5.1 domain before you begin the upgrade procedure. After you start the server using WebLogic Server 7.0 classes, you will be unable to downgrade to a previous version.

2.Install WebLogic Server 7.0. See the Installation Guide.

Prior to WebLogic Server 6.0, a separate download was required if you wanted to get 128-bit encryption instead of 56-bit encryption. WebLogic Server 7.0 has a single download for both 56-bit encryption and 128-bit encryption. For details of how to enable 128-bit encryption see Enabling 128-Bit Encryption in the Installation Guide.

Note: Installing the new version in the exact location of the old version is explicitly prohibited by the installer.

2-2BEA WebLogic Server 7.0 Upgrade Guide

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BEA 7 manual Upgrading WebLogic Server 4.5 and 5.1 to Version

7 specifications

BEA 7, a significant product from BEA Systems, represents a cornerstone in enterprise application integration and service-oriented architecture. As a comprehensive solution for developing, deploying, and maintaining enterprise-level applications, it brings a host of features that cater to the needs of businesses seeking agility and reliability in their IT infrastructure.

One of the standout characteristics of BEA 7 is its robust support for service-oriented architecture (SOA). This enables businesses to create applications as loosely coupled services, facilitating easier integration and scalability. The platform's emphasis on middleware technologies allows organizations to streamline their IT operations, enhance interoperability, and reduce time to market for new applications.

BEA 7 includes a powerful application server that provides a reliable runtime environment for managing applications. Offering high availability and scalability, it can successfully handle the demands of high-volume transactions while ensuring optimal performance. The built-in clustering capability ensures that applications can remain operational even in the event of server failures, which is critical for mission-critical applications.

Another notable feature of BEA 7 is its capabilities for web services. With support for industry standards such as XML, SOAP, and WSDL, users can easily expose and consume services across diverse platforms. This allows businesses to take full advantage of an interconnected ecosystem and simplifies the process of integrating various applications and data sources.

Security is a paramount consideration in BEA 7, which includes strong authentication, authorization, and encryption mechanisms to protect sensitive data. The platform's comprehensive security features ensure compliance with regulatory requirements and protect against potential threats, which is particularly important for sectors handling sensitive information, such as finance and healthcare.

BEA 7 also embraces innovative technologies such as the Java EE platform, facilitating the development of cross-platform applications. The integrated development environment (IDE) offers numerous tools for developers, making it easier to design, debug, and deploy applications. Developers benefit from built-in support for commonly used frameworks and libraries, improving productivity and enabling rapid application development.

In summary, BEA 7 stands out as a powerful enterprise solution, distinguished by its support for SOA, robust application server capabilities, web services integration, strong security features, and a developer-friendly environment. These attributes make BEA 7 an essential tool for organizations aiming to enhance their operational efficiency and adapt to the increasingly dynamic business landscape.