Java EE 6 Clustering with Glassfish 3.1
- 1. GlassFish Server 3.1 Simple, Fast, Innovative Java EE 6 Clustering Shreedhar Ganapathy, Arun Gupta, Java EE & GlassFish Guys blogs.oracle.com/arungupta, @arungupta 1
- 2. The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle's products remains at the sole discretion of Oracle.
- 3. Java EE 6 and GlassFish Server 3 shipped final releases on th December 10 2009
- 4. World's First Java EE 6 Compatible App Server with Clustering & High Availability th Shipped Feb 28 2011
- 6. GlassFish Server Chronology* 2006 2007 2008 2009 2010 2011 … GlassFish v1 Java EE 5, Single Instance GlassFish v2 Java EE 5, High Availability GlassFish Server 3 Java EE 6, Single Instance GlassFish Server 3.1 Java EE 6, High Availability GlassFish next Java EE 7 / Cloud * GlassFish Server Open Source Edition
- 7. GlassFish Community ● Proven by developers ● Over 24 million downloads ● Over 21 million active users (cumulative in past 4 yrs) ● 50K active users in 30 days w/GlassFish Server 3 ● 900K+ upgrades from GlassFish Server 3 to 3.1 in just 3 months ● Active user forums ● Sub-projects – Jersey (JAX-RS), Metro (JAX-WS), Grizzly (nio), Atmosphere, OpenMQ (JMS), and more
- 8. Deliverables ● Application Server ● Open Source and high-quality runtime ● Java EE 5 / 6 Reference Implementation, early access to latest standards ● Clustering and High Availability ● Full Commercial Support from Oracle ● Continued Investment in Open Source ● Open Source license, governance, participation, transparency, ...
- 9. General Picture of Distributions
- 10. GlassFish Server Distributions Distribution License Features • Java EE 6 compatibility GlassFish Server Open Source CDDL & • Web Profile support Edition 3.1 GPLv2 • In-memory replication / clustering Web Profile • Centralized Administration • Java EE 6 compatibility GlassFish Open Source Edition CDDL & • Full Java EE distribution 3.1 GPLv2 • In-memory replication / clustering • Centralized Administration • Adds Oracle GlassFish Server 3.1 Commercial Web Profile • Oracle GlassFish Server Control • Patches, support, knowledge base • Adds Oracle GlassFish Server 3.1 Commercial • Oracle GlassFish Server Control • Patches, support, knowledge base
- 11. GlassFish and WebLogic together • Best open source application server with • Best commercial application server for support from Oracle transactional Java EE applications • Open source platform of choice for light- • Platform of choice for standardization weight Web applications • Focus on lowest operational cost and • Focus on latest Java EE standards and mission critical applications community driven innovation • integration with Oracle Database, Fusion • Certified interoperability with Fusion Middleware & Fusion Applications Middleware • Differentiated innovation, scout thread Production Java Production Java Application Deployment Application Deployment GlassFish Server WebLogic Server
- 12. Painless Java EE development ! The save/reload paradigm ● Incremental compile of all Java EE artifacts ● Auto-deploy of all Java EE and static artifacts
- 13. Active Redeploy ● Deployment option to maintain stateful sessions across re-deployments $ asadmin redeploy --properties keepSessions=true myapp.war ● Greatly simplifies the development paradigm ● Integrated in IDEs
- 14. Yes, Eclipse too ! OEPE : http://www.oracle.com/technetwork/developer-tools/eclipse
- 16. Java EE 6 Themes Flexible Embrace open source Web Profile & frameworks Pruning Lightweight Extensible Enables Drag & Drop Java EE framework installation Developer Productivity More annotations POJO development Less XML configuration
- 17. GlassFish Server Goals Java EE 6 Themes Oracle GlassFish Server • Flexibility • Flexibility • Extensibility • Extensibility • Developer Productivity • Developer Productivity • Modularity / OSGi / Hybrid Apps • Manageability • High availability clustering • 24 x 7 x 365 support
- 18. 3.1 Overview ● Built on GlassFish 3 ● Modular and Extensible HK2 Kernel ● ~260+ modules ● Clustering and High Availability ● HTTP, EJB, IIOP, SSO, Metro ● Dynamic Invocation of Services ● End-to-end extensibility
- 19. Fast and Furious ... ● 29% better startup/deploy/re-deploy cycle over 3.0.1 ● 33% better HA performance over 2.1.1 ● Scalable Grizzly Adapter based on Java NIO ● Full-session and Modified-attribute* scope ● Multiple Standalone instances and Clusters per domain http://weblogs.java.net/blog/sdo/archive/2011/03/01/whats-new-glassfish-v31-performance
- 20. Modular and Dynamic ● Modular : Apache Felix (OSGi) ● Extensible : HK2 ● Yet very Fast !
- 22. More Painless Development ● Fast auto-deploy of all Java EE and static artifacts ● Application runner ● java -jar glassfish.jar toto.war ● Maven integration ● mvn gf:run, gf:start, gf:deploy, ... ● Containers added dynamically and transparently ● Excellent Tools support
- 23. Embedded uses ● Testing ● EJBContainer API (EJB 3.1) ● Simple testing using Java SE (JUnit, Maven, ...) using EJB container ● Packaging / Bundling ● Beyond the specification: control all of GlassFish Server with an API = GlassFish Embedded ● Integration testing & ship the server inside the app
- 24. What's the deal with OSGi? ● GlassFish Server runs on top of OSGi (Felix) ● Also runs unmodified on Equinox (and Knopflerfish) ● GlassFish ships 260+ bundles ● Can run without OSGi (Static mode) ● Can use OSGi management tools (CLI or Web) ● Can be installed on top of existing OSGi runtime ● Any OSGi bundle will run in GlassFish Server ● Drop it in glassfish/modules{/autostart} ● Can also asadmin deploy it using --type osgi ● GlassFish OSGi admin console
- 25. Extending GlassFish OSGi-style – an example, a demo and a picture ● OSGi declarative service ● Service-Component entry in the JAR Manifest ● Invoke the service from a servlet using standard @Resource injection ● Never use a GlassFish product API ! ● No need to chose between OSGi and Java EE Step by step: http://blogs.sun.com/dochez/entry/glassfish_v3_extensions_part_4
- 26. OSGi + Java EE = Hybrid Apps ● GlassFish Server as the modular runtime ● Assembled spontaneously ● Admin tools (Web & CLI) ● Implementation of Java EE related OSGi services & standards ● OSGi RFC's ● Support for Java EE 6 platform ● e.g. JPA, EJB, JDBC, JTA, ... as OSGi services ● Web Application Bundle (WAB) ● WAR + OSGi metadata + Web-ContextPath header
- 27. Update Center
- 28. Monitoring and Management Beyond web console and asadmin ● Dynamic and non-intrusive monitoring ● BTrace integration – Portable, dynamic and safe tracing tool for Java – Btrace annotations and API to write scripts ● Java-defined Probe Providers ● RESTful interface ● DTrace for end-to-end ● JavaScript Monitoring tool (add-on) ● Still exposed via JMX ● jconsole and visualvm as natural clients
- 29. RESTful admin ● Jersey + Grizzly to provide REST interfaces to : ● Configure runtime (via GET, POST, DELETE) ● Invoke commands (restart, stop, deploy, etc..) ● Monitoring (GET only) ● Available from : ● http://localhost:4848/management/domain ● http://localhost:4848/monitoring/domain ● Use REST clients as Admin GUI substitute ● Use your favorite glue/scripting language or tool ● Data offered as either XML, HTML or JSON ● Extensible
- 30. More GlassFish Server 3.x ● Developer performance ● Embedded API ● RESTful API ● Update Center ● Metro 2.0 ● OpenMQ 4.x ● Admin console ● Btrace monitoring ● ...
- 32. GlassFish Server 3.1 Developer Highlights ● Developer Productivity ● Improved embedded API support ● Updated NetBeans and Eclipse plugin ● Updated Technologies ● Grizzly WebSocket support ● Improved CDI, JSON, hypermedia support in Jersey ● Technology refresh – JSF, CDI, Grizzly, OSGi, JPA, Jersey, Bean Validation, Metro, UC, etc. ● Implementation of various Enterprise OSGi Specs
- 33. GlassFish Server 3.1 Clustering Highlights ● HTTP, EJB, IIOP, SSO, Metro ● New - RM Sequence, Secure Conversations ● Shoal GMS Runtime Dynamic Clustering using Grizzly as transport provider ● Session-based replication using Shoal ● Distributes session state uniformly & consistently among instances ● Shoal OSGi module, loaded when HA-enabled apps are deployed ● Support for conventional clustering of MQs brokers in embedded mode
- 34. GlassFish Server 3.1 Manageability Highlights ● SSH based remote management and provisioning ● Application versioning support ● Application scoped resources ● Statement leak detection and reclaim ● Improved monitoring ● Console based on RESTful API
- 35. Application-Scoped Resources “glassfish-resources.xml” ● Created/deleted with app deploy/undeploy ● Supported in NetBeans glassfish-resources.xml java:app/... glassfish-resources.xml glassfish-resources.xml Servlet EJB java:module/... java:module/... X X http://blogs.sun.com/JagadishPrasath/entry/application_scoped_resources_in_glassfish
- 36. Application Versioning ● Deploy multiple versions of an application, only one enabled ● Commands ● asadmin deploy foo.war ● asadmin deploy –name=foo:BETA-1 foo.war ● asadmin deploy –name=foo:BETA-1.1 –enable=false foo.war ● asadmin enable foo:BETA-1.1 ● asadmin deploy –name=foo:RC1 foo.war ● asadmin undeploy foo:BETA* ● asadmin undeploy foo:*
- 37. GlassFish Server Control Monitoring DAS Backup & Recovery Performance Tuner Scripting Client Coherence Active Cache Oracle Access Load Balancer Manager Integration Plugin & Installer
- 38. Strategy for continued success ● Continue to deliver outstanding performance ● Continue to improve developer productivity ● Continue product execution ● Deliver Java EE 7 first ● Deliver on product roadmap ● Continue to innovate ● Improve manageability ● Hybrid OSGi / Java EE applications
- 39. References ● oracle.com/javaee ● glassfish.org ● oracle.com/goto/glassfish ● blogs.sun.com/theaquarium ● youtube.com/GlassFishVideos ● Follow @glassfish