Web application developers using dynamically typed interpreted languages like PHP, Python or Ruby are used to being able to make a change in their application and see it immediately by refreshing the browser. A number of vendors are looking to improve the situation for Java with two techniques being actively researched.
BEA has released a new tech preview of WebLogic Server 10 that passes the Java EE 5 CTS. WebLogic Server 10 uses the Kodo JPA (based on Apache OpenJPA)and also Spring's Pitchfork project to provide EJB and Java EE 5. WebLogic Server 10 adds side-by-side deployment of multi-version apps, JMS automatic failover, support for document-centric ws-standards, filtering class loaders, and more.
InfoQ recently sat down with Jim Sherburne, Director or Product Marketing for BEA's virtualization offerings to discuss BEA's virtualization strategy that was announced last month and LiquidVM, a version of the JVM that includes basic operating system capabilities and will run on a hypervisor.
Solution providers are holding off on Java EE 5 development until the major application server vendors release compatible updates. Dr. Dobb's reports that while Sun's Java System Application Server has support and BEA's WebLogic is close, IBM lags behind.
BEA has announced the completion and delivery of WebLogic Platform 9.2 (Server, Portal, and Integration) that are designed to provide a unified foundation for BEA's SOA 360 platform. Kodo 4.1, Workshop, and Workshop Studio also had new releases. InfoQ summarized the new features in WL Server and Portal.
BEA has released WebLogic Real Time (WLRT) Core Edition 1.1 today, their product intended to bring Java into what has traditionally the realm of C/C++ apps. Real Time claims to have 20 millisecond average latencies and 30-millisecond maximum latency on its own benchmark application. BEA is recommending Spring as the programming model for Real Time.
BEA last week released the WebLogic 9.2 platform family of products including WebLogic Server, WebLogic Portal (which now runs on WL 9.2), and Workshop for WebLogic (now built on Eclipse for the first time).
Spring 2.0 is now being used by BEA to provide EJB 3 dependency injection and interception, the result of Pitchfork, a new Spring add-on project by BEA and Interface21 that allows Spring to provide JSR 250 dependency injection and EJB style interception. WebLogic users can also use additional Spring features over the EJB spec, and Pitchfork may be used by other Java EE servers in the future.
JVM clustering vendor Terracotta has released for free use their Terracotta Sessions for Tomcat. The product is based on their distributed shared objects (DSO) product which uses a hub and spoke architecture and can synchronize changes across nodes at the field level (instead of serialization). The license allows projects with up to 4 nodes in their cluster to use it for free.