Download Liberty Websphere: A Guide to the Lightweight Java Runtime
If you are looking for a modern and efficient way to run your Java applications, you might want to consider downloading Liberty Websphere. Liberty Websphere is a lightweight Java runtime that is ideal for building microservices, modern monolithic applications, and anything in between. It is built on the open source Open Liberty runtime and is compatible with MicroProfile and Jakarta EE. In this article, we will explain what Liberty Websphere is, why you should use it, how to download it, how to develop and deploy applications with it, and how to migrate your existing applications to it.
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What is Liberty Websphere and why should you use it?
Liberty Websphere is a next-generation application runtime that accelerates the delivery of cloud-native applications, allowing your team to rapidly deliver differentiating innovation. Whether you're running microservices in a serverless environment or a traditional always-on application, Liberty Websphere requires less infrastructure, saving costs, and providing the flexibility your organization needs to deploy on any cloud in a trusted, secure, and open environment. Liberty Websphere empowers your development and platform engineering teams to continuously deliver code that meets and exceeds your customers' expectations. Here are some of the benefits of using Liberty Websphere:
Liberty Websphere is a flexible and container-ready runtime for Java applications
Liberty Websphere is designed to run in any environment, from bare metal to virtual machines (VMs) to containers. It can run on any operating system that supports Java, including Windows, Linux, macOS, IBM i, and IBM z/OS. It can also run on any cloud platform that supports containers, such as IBM Cloud, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Red Hat OpenShift, and Kubernetes. Liberty Websphere is optimized for containerized deployments, continually auto-tuning its performance to the environment.
Liberty Websphere supports open standards and modern development practices
Liberty Websphere is built on the open source Open Liberty runtime, which reflects IBM's commitment to open standards and open community innovation and testing. Open Liberty is compatible with MicroProfile and Jakarta EE, which are open specifications for developing cloud-native Java microservices and enterprise applications. Open Liberty also supports Java EE technologies for backward compatibility. With Liberty Websphere, you can avoid vendor lock-in and leverage the latest innovations from the open source community.
Liberty Websphere offers high performance, scalability, and security
Liberty Websphere delivers high performance with a smaller disk and memory footprint and higher throughput than traditional Java runtimes. It also scales dynamically according to the workload demand, ensuring optimal resource utilization. Additionally, Liberty Websphere provides comprehensive security features, such as encryption, authentication, authorization, auditing, single sign-on (SSO), identity federation, certificate management, and more.
How to download Liberty Websphere and get started?
If you are interested in downloading Liberty Websphere and trying it out for yourself, you have two options: you can download the IBM edition or the Open Liberty edition. The IBM edition is a commercial offering that includes support and additional features, such as IBM WebSphere Application Server Migration Toolkit, IBM WebSphere Application Server Network Deployment, and IBM WebSphere Application Server Liberty Core. The Open Liberty edition is a free and open source offering that includes the core features of Liberty Websphere. Here are the steps to download Liberty Websphere and get started:
Choose the right edition of Liberty Websphere for your needs
The first step is to decide which edition of Liberty Websphere suits your needs. If you are looking for a fully supported and feature-rich runtime, you might want to choose the IBM edition. If you are looking for a simple and lightweight runtime, you might want to choose the Open Liberty edition. You can compare the features and benefits of each edition on the . You can also try both editions for free for 90 days.
Download Liberty Websphere from IBM or Open Liberty websites
The next step is to download Liberty Websphere from the source of your choice. If you want to download the IBM edition, you can go to the and choose the package that matches your platform and Java version. You do not need any registration to download the Open Liberty edition.
Install and configure Liberty Websphere on your preferred platform
The final step is to install and configure Liberty Websphere on your preferred platform. The installation process is simple and straightforward, as you only need to extract the downloaded package to a directory of your choice. You can then use the command-line interface (CLI) or the graphical user interface (GUI) to configure and manage your runtime. You can find detailed instructions on how to install and configure Liberty Websphere on different platforms on the .
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How to develop and deploy applications with Liberty Websphere?
Once you have downloaded and installed Liberty Websphere, you are ready to develop and deploy applications with it. Liberty Websphere supports a variety of development tools and frameworks, such as Eclipse, Visual Studio Code, Maven, Gradle, Spring Boot, Quarkus, and more. You can use these tools to create and manage projects that run on Liberty Websphere. Here are some of the key steps to develop and deploy applications with Liberty Websphere:
Use Liberty Tools to create and manage projects in your IDE
Liberty Tools are plugins that integrate Liberty Websphere with your IDE of choice. They allow you to create, import, export, run, debug, test, and deploy projects that run on Liberty Websphere. They also provide features such as code completion, syntax highlighting, validation, refactoring, and more. You can find and install Liberty Tools for Eclipse, Visual Studio Code, or IntelliJ IDEA from their respective marketplaces or websites.
Use dev mode to enable fast iterative development with Liberty Websphere
Dev mode is a feature that allows you to develop applications with Liberty Websphere in a fast and convenient way. Dev mode automatically detects changes in your source code or configuration files and updates your application without requiring a restart or redeploy. Dev mode also enables hot testing, which runs unit tests or integration tests whenever you make a change. Dev mode also provides interactive debugging, which allows you to set breakpoints, inspect variables, modify values, and more. You can start dev mode by running the command `mvn liberty:dev` or `gradle libertyDev` in your project directory.
Use features to customize the runtime capabilities of Liberty Websphere
Features are modular components that provide specific functionality for your application runtime. For example, features can enable support for web applications, RESTful services, database access, security mechanisms, messaging systems, batch processing, health checks, metrics, tracing, fault tolerance, and more. You can use features to customize the runtime capabilities of Liberty Websphere according to your application requirements. You can add or remove features by editing the server.xml file in your project directory. You can also use the to browse and select the features that you need.
How to migrate your existing applications to Liberty Websphere?
If you have existing applications that run on other Java runtimes, such as IBM WebSphere Application Server Traditional, Apache Tomcat, Oracle WebLogic, or JBoss, you might want to migrate them to Liberty Websphere to take advantage of its benefits. Liberty Websphere provides tools and guidance to help you migrate your applications smoothly and efficiently. Here are some of the steps to migrate your applications to Liberty Websphere:
Use the Migration Toolkit to analyze and transform your applications
The Migration Toolkit is a set of tools that help you analyze and transform your applications for Liberty Websphere. The Migration Toolkit includes the Binary Scanner, which scans your application binaries and generates a report on the compatibility and configuration issues with Liberty Websphere. The Migration Toolkit also includes the Source Migration Tool, which scans your application source code and provides suggestions on how to modify it for Liberty Websphere. You can download the Migration Toolkit from the .
Use the Migration Assistant to automate the migration process
The Migration Assistant is a tool that automates the migration process for you. The Migration Assistant uses the Binary Scanner and the Source Migration Tool to analyze and transform your applications, as well as copy them to a Liberty Websphere server. The Migration Assistant also generates a migration summary report that shows the status and results of the migration. You can download the Migration Assistant from the .
Test and optimize your migrated applications on Liberty Websphere
The last step is to test and optimize your migrated applications on Liberty Websphere. You can use dev mode, Liberty Tools, or other testing tools to verify that your applications work as expected on Liberty Websphere. You can also use features, configuration options, or tuning parameters to optimize the performance, scalability, and security of your applications on Liberty Websphere. You can find more information on how to test and optimize your applications on Liberty Websphere on the .
Conclusion and FAQs
In this article, we have covered how to download Liberty Websphere, a lightweight Java runtime that is ideal for building cloud-native applications. We have also explained how to develop and deploy applications with Liberty Websphere, as well as how to migrate your existing applications to Liberty Websphere. We hope that this article has helped you understand the benefits and features of Liberty Websphere, and how to get started with it. If you have any questions or feedback, please feel free to contact us or leave a comment below. Here are some of the frequently asked questions about Liberty Websphere:
QuestionAnswer
What is the difference between Liberty Websphere and Open Liberty?Liberty Websphere is built on Open Liberty, which is an open source Java runtime that supports MicroProfile and Jakarta EE. Liberty Websphere adds support and additional features, such as IBM WebSphere Application Server Migration Toolkit, IBM WebSphere Application Server Network Deployment, and IBM WebSphere Application Server Liberty Core.
What are the licensing options for Liberty Websphere?Liberty Websphere offers two licensing options: pay-per-use or pay-per-core. Pay-per-use is based on the number of virtual processor cores (VPCs) that are used by your applications on Liberty Websphere. Pay-per-core is based on the number of physical processor cores (PPCs) that are available on your server. You can choose the option that best suits your needs and budget.
How can I get support for Liberty Websphere?If you download the IBM edition of Liberty Websphere, you can get support from IBM through various channels, such as phone, email, chat, web portal, or community forums. You can also access documentation, tutorials, videos, blogs, podcasts, webinars, events, and more from the . If you download the Open Liberty edition of Liberty Websphere, you can get support from the open source community through GitHub issues, Slack channels, mailing lists, or Stack Overflow.
How can I contribute to Open Liberty?If you want to contribute to Open Liberty, you can join the open source community and help improve the code, documentation, tests, or features of Open Liberty. You can also report bugs, suggest enhancements, or ask questions on GitHub. You can find more information on how to contribute to Open Liberty on the .
Where can I find more resources on Liberty Websphere?You can find more resources on Liberty Websphere on the , which includes documentation, tutorials, videos, blogs, podcasts, webinars, events, and more. You can also follow Liberty Websphere on social media platforms, such as Twitter, LinkedIn, YouTube, or Facebook.
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