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| <h1>Apache TomEE |
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| <p>Apache TomEE, pronounced "Tommy", is an all-Apache Java EE 6 Web Profile certified stack where Apache Tomcat is top dog. Apache TomEE is assembled from a vanilla Apache Tomcat zip file. We start with Apache Tomcat, add our jars and zip up the rest. The result is Tomcat with added EE features - TomEE.</p> |
| |
| <p><a class="btn primary large" href="downloads.html">Download Apache TomEE Now »</a> and <a href="documentation.html">get started today!</a></p> |
| |
| <h2>TomEE</h2> |
| |
| <p><div class="row"><div class="span6"></p> |
| |
| <p>The Web Profile version of TomEE contains</p> |
| |
| <ul> |
| <li><strong>CDI</strong> - Apache OpenWebBeans</li> |
| <li><strong>EJB</strong> - Apache OpenEJB</li> |
| <li><strong>JPA</strong> - Apache OpenJPA</li> |
| <li><strong>JSF</strong> - Apache MyFaces</li> |
| <li><strong>JSP</strong> - Apache Tomcat</li> |
| <li><strong>JSTL</strong> - Apache Tomcat</li> |
| <li><strong>JTA</strong> - Apache Geronimo Transaction</li> |
| <li><strong>Servlet</strong> - Apache Tomcat</li> |
| <li><strong>Javamail</strong> - Apache Geronimo JavaMail</li> |
| <li><strong>Bean Validation</strong> - Apache BVal</li> |
| </ul> |
| |
| <h2>TomEE+</h2> |
| |
| <p>The TomEE Plus distribution adds the following:</p> |
| |
| <ul> |
| <li><strong>JAX-RS</strong> - Apache CXF</li> |
| <li><strong>JAX-WS</strong> - Apache CXF</li> |
| <li><strong>JMS</strong> - Apache ActiveMQ</li> |
| <li><strong>Connector</strong> - Apache Geronimo Connector |
| </div></li> |
| </ul> |
| |
| <div class="span5" style="float:right; width:350px" width="350px"> |
| <img src="resources/images/microprofile.png" alt="Microprofile" style="float:left; margin-right:5px;"> |
| <p style="font-size:13px;line-height:18px;">Microprofile is an open forum to optimize Enterprise Java for a microservices architecture by innovating across multiple implementations and collaborating on common areas of interest with a goal of standardization. TomEE is actively participating in this effort, and would welcome help from the community in moving this process forward.</p> |
| <p><a class="btn primary"target="_blank" href="http://microprofile.io/">Find out more</a></p> |
| </div> |
| |
| <div class="span5" style="float:right; width:350px" width="350px"> |
| <img src="resources/images/Geek-Choice-Awards-App-Server-100x100-black.png" alt="Geeks Choice Award" style="float:left; margin-right:5px"> |
| <p style="font-size:13px;line-height:18px;">RebelLabs released an annual study with awards to recognize Geeky Excellence for 2014. Tomcat and TomEE were named as one of the 10 Geek Choice Awards winner. For a complete list of winners, check out the report <a target="_blank" href="http://zeroturnaround.com/rebellabs/10-kick-ass-technologies-modern-developers-love/">"10 Kick-Ass Technologies Modern Developers Love"</a>.</p> |
| <p><a class="btn primary"target="_blank" href="http://zeroturnaround.com/rebellabs/10-kick-ass-technologies-modern-developers-love/10/">Read the Report</a></p> |
| </div> |
| |
| <p><div class="span10"><div class="hero-unit"> |
| <iframe width="460" height="264" src="http://www.youtube.com/embed/eCrtoSTZ2RE" frameborder="0" allowfullscreen></iframe></div></div></div></p> |
| |
| <h1>Our Goal</h1> |
| |
| <p>Simple, get much more from Apache Tomcat, yet without giving anything up.</p> |
| |
| <h1>Principles</h1> |
| |
| <p>Some core principles guide the integration:</p> |
| |
| <ul> |
| <li>Don't mess with Tomcat - Just take it as it comes and extend it</li> |
| <li>Keep it as simple as possible for the end user</li> |
| <li>Avoid architectural overhead - It should just run existing applications out of the box</li> |
| </ul> |
| |
| <p>The desire to beef-up Tomcat installations has persisted despite the existence of full-profile application servers, |
| many of which actually include Tomcat in some truncated or stripped-down form. |
| TomEE strives to fill this gap.</p> |
| |
| <h1>Under the Covers</h1> |
| |
| <p>Apache TomEE is assembled from a vanilla Apache Tomcat official distribution. |
| No picking and choosing individual parts of Tomcat and building a "new" server |
| leveraging Tomcat. We start with Tomcat, add our jars and configuration and zip up the rest. |
| The result is Tomcat with added EE features, TomEE.</p> |
| |
| <p>Tomcat provides plenty of hooks for filling out parts of its lifecycle. We |
| leverage them all to fill the gaps. The result is a whole lotta sharing!</p> |
| |
| <p>Servlets now get access to JPA and Transactions, EJBs get access to Tomcat |
| provided Security. Any Tomcat provided resources, say from a context.xml, |
| can be looked up or injected by <em>any</em> managed component in the system.</p> |
| |
| <h1>Keep it Tight, Keep it Simple</h1> |
| |
| <p>There's a definite "less is more" philosophy in Apache TomEE. It's too |
| easy to go too far when developing an app server. The result is usually a |
| slow to start, memory hogging, beast. We're not here to create an ultra |
| flexible, super powerful, infinitely composable, be anything to anyone |
| platform. We're here to deliver Java EE 6 Web Profile in the simplest way |
| possible.</p> |
| |
| <p>If you were to imagine taking a plain Tomcat install and integrating the |
| missing components in the most direct and to-the-point style possible, |
| you'd end up with TomEE. The result speaks for itself:</p> |
| |
| <ul> |
| <li>Runs without any additional memory requirements</li> |
| <li>Compatible with most Tomcat-aware tools</li> |
| <li>Compatible with Tomcat-tested apps</li> |
| </ul> |
| |
| <h1>History</h1> |
| |
| <p>In Apache TomEE's previous life, it was simply known as the OpenEJB+Tomcat |
| integration. That description was always quite misleading. For one, |
| there's incredible benefit even if EJB is never used.</p> |
| |
| <p>Quite simply, EJB as a technology integrates with the most number of specs |
| than any other spec. It touches JMS, Web Services, Connectors, Servlets |
| (EJB Web Services are still driven by Servlets!), JPA, JDBC, Transactions, |
| Security. Integrating with all these technologies takes time and expertise |
| and in the end has very little to do with EJB specifically. To apply this |
| all to Tomcat and leverage it all from a simple Servlet is a natural |
| extension and the reason most app servers started out as EJB servers.</p> |
| |
| <p>Whereas most app servers pluck Tomcat out of its environment, Apache |
| OpenEJB has always existed as an embeddable container focused on being as |
| tiny and invisible as possible. The natural extension of this is to embed |
| the "EE" into Tomcat, rather than the other way around.</p> |
| |
| <p>But in the end, it is not about EJB. It's about the other guys: ActiveMQ, |
| CXF, MyFaces, OpenJPA, OpenWebBeans, and of course Tomcat! So out with |
| OpenEJB+Tomcat and in with Apache TomEE!</p> |
| |
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