Jersey 1.0 is an open-source, production-ready reference implementation of JAX-RS, the Java API for RESTful Web Services (JSR-311). Jersey makes it easy to create RESTful web services in Java.
In an earlier Tech Tip, Implementing RESTful Web Services in Java, Paul Sandoz and I introduced RESTful Web Services, JAX-RS, and Jersey, and showed how to write RESTful web services in Java that conform to the JAX-RS specification. In this tip you will learn how to configure data in JSON (JavaScript Object Notation) using Jersey 1.0. JSON is a lightweight data-interchange format that is based on the object notation of the JavaScript language. Because of it's simple text format, JSON provides a good alternative to other data interchange formats such as XML and is particularly attractive as a data interchange format for RESTful web services.
In this tip you will build a Jersey-based web application that provides information about printer status. The application returns the information in JSON format. To build the application, you will use the Maven 2 software project management tool. For more information about Maven, see Welcome to Maven and Building Web Applications with Maven 2.
Jersey is the open source (under dual CDDL+GPL license), production quality, JAX-RS (JSR 311) Reference Implementation for building RESTful Web services. But, it is also more than the Reference Implementation. Jersey provides an API so that developers may extend Jersey to suite their needs. The governance policy is the same as the GlassFish project.
In deutlichen Worten hat Jim Zemlin, Geschäftsführer der Linux Foundation, gegenüber InfoWorld seine Meinung zu Suns Betriebssystem Solaris geäußert. "Linux und Microsoft Windows sind die Zukunft, nicht Unix oder Solaris", erklärte Zemlin. Es gebe kaum neue Solaris-Installationen, immer mehr Solaris-Anwender würden aus Kostengründen zu Linux migrieren, OEM-Hersteller wendeten sich von Solaris ab, und Sun sei in finanziellen Schwierigkeiten.
This document is a guide to help troubleshoot problems that might arise with applications that are developed using the Sun Microsystems Inc. release of Java Platform, Standard Edition 6 (JDK 6 release or Java SE 6 release). In particular, this guide addresses possible problems between the applications and the Java HotSpot virtual machine. The document provides a description of the tools, command line options, and other help in analyzing a problem. The document also provides guidance on how to approach some general issues such as a crash, hang, or memory resource issues. Finally, the document provides direction for data collection and bug report preparation.
I have been working furiously this summer, patching the OpenJDK HotSpot JVM for the JSR 292 implementation of dynamic invocation.
In the wee hours of this morning, the JVM has for the first time processed a full bootstrap cycle for invokedynamic instructions, linking the constant pool entries, creating the reified call site object, finding and calling the per-class bootstrap method, linking the reified call site to a method handle, and then calling the linked call site 999 more times through the method handle, at full speed. The method names mentioned by the caller and the callee were different, though the signatures were the same. The linkage was done by random, hand-written Java code inside the bootstrap methdod.
Fail and You I don’t know about you, but every time I have to program with threads and shared resources, I want to remove my face incrementally with a salad fork. Locks, mutexes, the synchronized keyword; all of these things can strike fear into the heart of a green developer. Most seasoned developers just fall into a rut of depression when it’s time for multi-threading. Developers like me simply talk our way out of it. It’s easier than thinking.
That might all change soon.
It’s very possible that Sun Microsystems has their shit together as they engineer the new Rock processor. Due out in 2009, it will be the first mainstream CPU to support transactional memory. Transactional memory will not only solve all your horrid threading problems, it will also impregnate your daughter if you don’t keep an eye on it. Don’t say I didn’t warn you, gramps.
This will be the first of a small series of blogs covering proposed new features in JSF 2.0.
Keep in mind that none of the features described are final, and may change, but
this is a good opportunity to show the features as they exist now and illicit feedback.
Während die Geschäfte in den USA und Europa stagnieren, will CEO Jonathan Schwartz Suns Wachstum in den bevölkerungsreichsten Regionen rund um den Globus mit einer neu gegründeten Vertriebsorganisation speziell für die sogenannten Emerging Markets forcieren. "Die US-Wirtschaft hat Sun vor signifikante Herausforderungen gestellt", betonte Schwartz anlässlich der Bekanntgabe der Zahlen für das dritte Geschäftsquartal des laufenden Jahres, das Sun Microsystems mit einem Nettoverlust von 34 Millionen US-Dollar und einem leicht rückläufigen Umsatz abschließen musste.
Deutlich zweistelliges Wachstum habe Sun hingegen in Ländern erzielen können, die zu den Emerging Markets gerechnet werden: Nach Angaben von CEO Schwartz habe der Hersteller in Brasilien um 20 Prozent, in Indien sogar 30 Prozent und in Osteuropa, dem Nahen Osten und Afrika 18 Prozent zulegen können. Die Ursache für die Entwicklung sieht der Sun-Chef in einem grundlegenden Wandel des IT-Marktes. Wie er in seinem Blog ausführt, konzentrierte sich der Einsatz von Informationstechnik in der Vergangenheit auf die firmeninterne Nutzung. Die Hersteller hätten dementsprechend überwiegend Geschäfte mit Unternehmen – Business-to-Business (B2B) – in den westlichen Industrieländern (G7) gemacht.
By integrating state of the art server and storage technologies, the Sun Fire X4500 Server delivers the remarkable performance of a four-way x64 server and the highest storage density available, with up to 48 TB in 4U of rack space. This system also deliv
NOAA's National Geophysical Data Center (NGDC) provides scientific stewardship, products, and services for geophysical data from the Sun to the Earth and Earth's sea floor and solid earth environment, including Earth observations from space