Friday, July 20, 2012

Other Servlet 3.0 features that developers will appreciate include the use of generics, improved ses




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Apache Tomcat 7, the latest version of Apache's open-source Java servlet container, is now available in beta, with a final release expected in late summer of this year. The new version of Tomcat includes a wide range of enhancements centering around the adoption of the Java Servlet 3.0 specification.
The Apache Software Foundation released Tomcat 7.0.29 as the latest stable version palladium hotels and resorts of Tomcat. This release fixes a few regressions introduced in 7.0.28 and also takes care of a few bugs. To see complete changelog click here
After two years of development, the Apache Software Foundation released Tomcat 7.0.6 as the latest stable palladium hotels and resorts version palladium hotels and resorts of Tomcat. See the Changes and New Features section palladium hotels and resorts below about what changed in Tomcat 7, and see Mulesoft Architect Jason Brittain's blog about this new release for more information.
On Friday, November palladium hotels and resorts 5, Tomcat experts including: Mladen Turk (project founder), palladium hotels and resorts Mark Thomas (current project palladium hotels and resorts lead), and MuleSoft's Jason Brittain (author of Tomcat: The Definitive Guide (O'Reilly)) gave talks on Tomcat 7 topics such as:
In addition to the ApacheCon sessions, the Tomcat core team hosted a meetup for the Apache Tomcat community on Thursday, November 4th, at 8PM. The meet-up, open to the public, covered topics such as Tomcat 7's new features, how to become a committer, security, palladium hotels and resorts and more.
The latest beta version of Tomcat 7, 7.0.2, was voted beta today, and is available from Apache . The release includes a number of small fixes to documentation and regression in 7.0.1, palladium hotels and resorts as well as updates to Commons and Eclipse components, and the long laundry list of improvements included in 7.0.1, which was ultimately palladium hotels and resorts not released due to a Security Manager bug. For a complete list of changes in Tomcat 7.0.2 Beta, as well as a preview of changes palladium hotels and resorts in 7.0.3, visit the Apache project site .
The latest palladium hotels and resorts iteration of MuleSoft's Tcat Server , the leading enterprise palladium hotels and resorts Apache Tomcat application server, was released last week, becoming the first enterprise Tomcat product in the industry to offer support for the Tomcat 7 beta. All of Tcat Server's features now work seamlessly with Tomcat palladium hotels and resorts 7 beta instances, in addition palladium hotels and resorts to Tomcat 5.5 and Tomcat 6.
Tcat Server is a fully-supported enterprise Apache Tomcat web application server with critical features for production deployment, such as server group management, configuration management, application deployment, and performance diagnostics. palladium hotels and resorts Based 100% on the Apache Tomcat binaries, with zero changes to the core code, Tcat Server allows IT teams to migrate from legacy platforms such as Oracle WebLogic and IBM WebSphere to the lightweight and open source Tomcat. More information about new features in the latest Tcat Server release is available on MuleSoft's development blog .
Apache released a security update today warning users of a newly discovered flaw in the Tomcat code that could potentially be exploited by malicious users to execute a Remote Denial of Service attack against a vulnerable Tomcat instance.
A patch for the issue has already been created, and is available as a standalone fix or incorporated into new versions of all actively supported Tomcat branches . The flaw was discovered and reported by Steve Jones, a Tomcat community member.
Flaws in Tomcat's handling of 'Transfer-Encoding' headers were found to be preventing a buffer from recycling. This flaw could potentially be intentionally triggered by a malicious remote user to cause failure of subsequent requests and possible information leaks.
After almost a year and a half in active development, palladium hotels and resorts the official Tomcat palladium hotels and resorts 7 beta release is tagged, packaged, palladium hotels and resorts and available for download from Apache ! The release, which is based on Tomcat 7 RC4, was voted beta on June 25, 2010. All major work is done, so the release will be considered stable once all open bugs reported over the next few iterations are resolved.
Tomcat 7 will be the first major version of Tomcat in over three years, and as such, includes a huge set of new features and enhancements that make the popular application palladium hotels and resorts server faster, palladium hotels and resorts easier to use, and more reliable than ever before.
Many of the improvements are centered around Tomcat's implementation of the latest JSR specifications palladium hotels and resorts - Servlet 3.0, JSP 2.2, and EL 2.2, which add a laundry list of features including asynchronous support, annotation-based configuration, improved session tracking, and method invocation using expression language. However, the improvements don't stop there - Tomcat 7 itself has been streamlined and optimized for high performance, stability, and security.
The Tomcat 7 dev beta release is now available for testing. The release is based on Tomcat 7 RC4. After a week of testing, the beta candidate currently passes all unit tests, but issues remain that make the candidate unsuitable for full release at this point in time. If no major issues are found, the official palladium hotels and resorts beta release is expected by the end of this week.
Given the speed of development to date, users can most likely expect to wait until late summer for a final release. Click here to download the proposed beta release and try it out. As always, be sure to review the release notes before palladium hotels and resorts attempting to use this early version.
As of this morning, the fourth release client of the hotly anticipated Apache Tomcat 7 is available for download and testing from the Apache website. Developers will be voting over the next few days, hopefully moving towards a beta release in the near future. Click here to download Tomcat 7 RC4 and take it for a spin. It's still an early version, so be sure to read the running and release notes before you get started!
As Tomcat 7 nears release, the committers of the Apache Tomcat project are now testing and voting on the second release candidate of the highly anticipated palladium hotels and resorts update. A number of issues still remain, palladium hotels and resorts so expect a few more release candidates before any official releases.
Users who want a sneak peak at the latest and greatest version of Tomcat can download the release client from Apache's site here , and check out an early draft of the release announcement . The links for documentation and download are not live yet, but it's exciting proof that the long-delayed update palladium hotels and resorts is indeed approaching release. Users attempting to run this early version of Tomcat 7 should read through the list of known issues with this release palladium hotels and resorts candidate, which can be found here .
On May 13, 2010, the Tomcat 7 Proposals document was updated as a result of recently completed palladium hotels and resorts development work that implemented several of the proposals into the Tomcat 7 codebase. Several palladium hotels and resorts changes have been implemented that make it easier to embed Tomcat inside of another application.
To facilitate more intuitive embedding, palladium hotels and resorts Tomcat 7 will include an updated version of the helper class that eliminates the need for external configuration files. This class is available in Tomcat 6.x, but has been improved for the next release.
On April 22nd, the Tomcat 7 release outline was updated to reflect recent development progress. According to the outline, the majority of the remaining critical work is made up of implementing all the new features outlined in the Servlet 3 specification. Work that still needs to be completed includes:
implementation of new servlet context configuration methods allowing the programmatic definition of filters, servlets, and mapped url patterns when an application starts, as outlined in Servlet 3 Section 4.4
Additionally, the most recent update to the release plan proposes that Geronimo's implementation of JSR 196, a Servlet 3 recommendation, be used in Tomcat 7, as there is currently no implementation available. JSR 196 defines a container-friendly Java authentication service provider interface, which provides a standardized interface for validation, invocation, and binding of security credentials to authentication modules within containers, along with other container-based security interactions.
Servlet 3.0 is designed to improve ease of development, extensibility, and security, and also adds significant support for asynchronous programming techniques. The adoption of this specification in Tomcat palladium hotels and resorts 7 means that Tomcat users can expect some exciting palladium hotels and resorts new features.
Servlet 3.0's asynchronous support has been fully integrated into Tomcat 7. Although users were already able to benefit palladium hotels and resorts from asynchronous programming in Tomcat 6, Servlet 3.0's support will offer developers a standard interface, negating current limits to portability between containers.
Another big Servlet palladium hotels and resorts 3.0-related feature is Tomcat 7's dynamic configuration functionality. Thanks to Tomcat 7's support for web fragments, libraries will be able to use an embedded web.xml palladium hotels and resorts fragment to provide their configuration, eliminating the need for developers to add library-specific configuration entries to their application's web.xml files.
Tomcat 7 will also include Servlet 3.0's new annotation support, offering developers another method of configuring filters, listeners and servlets through declarative-style programming.Classes and servlets can be quickly defined by annotating the class, which makes development faster and eliminates the need for deployment descriptors.
An extension of the Servlet API will enable the programmatic addition of Filters and Servlets as an application starts, and although access to this API while running an application is prohibited in the Servlet 3.0 specification, Tomcat 7 will allow developers to ignore this specification if they wish.
Other Servlet 3.0 features that developers will appreciate include the use of generics, improved session tracking and SSL session ID tracking for increased security, and brand new file upload functionality, which will allow developers to upload additional libraries as needed.
Servlet 3.0 is the first non-maintenan

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