GlassFish 3.1 >= GlassFish 2.x + GlassFish 3.0

GlassFish v1 was about Java EE 5 compliance (single instance), v2 allowed such applications to be deployed in multi-instance cluster with seamless session failover and high availability, GlassFish 3 focused on Java EE 6 compliance, 3.1's focus is deploying Java EE 6 in multi-intance cluster.

One way to show this using a simple equation is ...

GlassFish 3.1 = GlassFish 2.x + GlassFish 3.0

However GlassFish 3.1 added a whole lot of new functionality which was not in any of the earlier versions and is listed below:

  1. Clustering and High Availability
    1. Shoal GMS over Grizzly implementation
    2. Consistent hash based session replication
    3. Preferred fail-over by load-balancer plugin
    4. Metro HA: Reliable messaging sequence failover, Secure conversation session failover
    5. Support for conventional clustering of MQ brokers in embedded mode
    6. Improved automatic delegated transaction recovery with shared file system
  2. Developer Productivity
    1. Improved embedded API support
    2. Updated NetBeans and Eclipse plugin
    3. GlassFish Hudson Plugin
  3. Management and Monitoring
    1. Application versioning support
    2. Application scoped resources
    3. Statement leak detection and reclaim
    4. Custom validation template for JDBC con. pool
    5. Support for PAM realm
    6. Certificate realm extension
    7. SSH based remote management and provisioning
    8. Console based on RESTful API
    9. WS-I compliance: BP 1.2/2.0, BSP, 1.1, RSP 1.0
  4. Updated Technology
    1. Grizzly WebSocket support
    2. Improved CDI, JSON, hypermedia support in Jersey
    3. Technology refresh – JSF 2.1, Servlet 3.0 MR, CDI, Grizzly, OSGi, JPA, Jersey, Bean Validation, Metro, UC, etc.
    4. Implementation of various Enterprise OSGi Specs

So that's why GlassFish 3.1 >= GlassFish 2.x + GlassFish 3.0!

Download the latest GlassFish 3.1 promoted build and try some of the latest features as demonstrated in GlassFishVideos!

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Arun Gupta is a technology enthusiast, a passionate runner, author, and a community guy who works for Oracle Corp.


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