Apache Struts

Website

struts.apache.org

Categories

#Web Frameworks #Developer Tools #JavaScript Tools #JavaScript Framework

Apache Felix

Website

felix.apache.org

Categories

#Developer Tools #Web Frameworks #JavaScript Tools #JavaScript Framework

Apache Struts features and specs

• Robust Framework
  Apache Struts is a mature and well-established framework for Java web applications, providing stable and reliable tools for enterprise-level applications.
• MVC Architecture
  Struts adheres to the Model-View-Controller (MVC) design pattern, which separates business logic, presentation, and navigation, making code maintenance and development easier.
• Extensive Documentation
  Struts has comprehensive documentation and a wealth of online resources, including tutorials, community forums, and user guides, which can support developers throughout their projects.
• Rich Tag Library
  It comes with a rich set of custom tags that enhance the JSP (JavaServer Pages) to create dynamic web content easily.
• Plugin Support
  Apache Struts supports various plugins that can extend its functionality, allowing developers to integrate additional features without much effort.

Possible disadvantages of Apache Struts

• Steep Learning Curve
  New developers might find Struts challenging to learn due to its complexity and the need for a good understanding of the MVC architecture and Java web application development.
• Configuration Overhead
  The framework requires extensive XML configuration, which can be cumbersome and time-consuming compared to convention-over-configuration frameworks.
• Performance
  Struts can be slower than some newer, lighter frameworks due to its broader feature set and the overhead associated with its extensive configuration.
• Security Vulnerabilities
  Struts has had notable security vulnerabilities in the past. Although patches and updates are available, it necessitates proactive monitoring and maintenance.
• Outdated Compared to Modern Frameworks
  With the advent of modern frameworks like Spring MVC and JavaServer Faces, some developers consider Struts to be less up-to-date with the latest web development standards and practices.

Apache Felix features and specs

• Modularity
  Apache Felix is based on the OSGi specification, which allows for modular development. This helps in managing complex applications by breaking them into smaller, reusable components.
• Dynamic Updates
  Felix allows for dynamic updating of bundles without restarting the entire application. This means features and patches can be applied on-the-fly, enhancing availability and reducing downtime.
• Community and Support
  As an Apache project, Felix benefits from a large and active community, offering extensive documentation and community-driven support.
• Lightweight
  Apache Felix is lightweight and can run on small devices, making it suitable for embedded systems and environments with limited resources.
• Standards Compliance
  It is compliant with the OSGi standards, ensuring compatibility and interoperability with other OSGi implementations and tools.

Possible disadvantages of Apache Felix

• Learning Curve
  For developers unfamiliar with the OSGi model, there is a learning curve involved in grasping the concepts of bundles, services, and other OSGi-specific features.
• Complexity
  While modular systems are powerful, they can also introduce complexity in terms of lifecycle management and dependency handling.
• Limited Ecosystem
  Although it is improving, the ecosystem around Apache Felix is not as extensive as some other frameworks, potentially limiting available tools and third-party integrations.
• Configuration Overhead
  Developing and maintaining OSGi-based applications can involve significant configuration effort, as developers must manage service dependencies and parameter configurations.

Finding and Fixing Apache Struts CVE-2017-5638 with Black Duck Hub

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Apache Felix Web Console

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