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  • WebSocket Samples in GlassFish 4 build 66 - javax.websocket.* package: TOTD #190

    - by arungupta
    This blog has published a few blogs on using JSR 356 Reference Implementation (Tyrus) integrated in GlassFish 4 promoted builds. TOTD #183: Getting Started with WebSocket in GlassFish TOTD #184: Logging WebSocket Frames using Chrome Developer Tools, Net-internals and Wireshark TOTD #185: Processing Text and Binary (Blob, ArrayBuffer, ArrayBufferView) Payload in WebSocket TOTD #186: Custom Text and Binary Payloads using WebSocket TOTD #189: Collaborative Whiteboard using WebSocket in GlassFish 4 The earlier blogs created a WebSocket endpoint as: import javax.net.websocket.annotations.WebSocketEndpoint;@WebSocketEndpoint("websocket")public class MyEndpoint { . . . Based upon the discussion in JSR 356 EG, the package names have changed to javax.websocket.*. So the updated endpoint definition will look like: import javax.websocket.WebSocketEndpoint;@WebSocketEndpoint("websocket")public class MyEndpoint { . . . The POM dependency is: <dependency> <groupId>javax.websocket</groupId> <artifactId>javax.websocket-api</artifactId> <version>1.0-b09</version> </dependency> And if you are using GlassFish 4 build 66, then you also need to provide a dummy EndpointFactory implementation as: import javax.websocket.WebSocketEndpoint;@WebSocketEndpoint(value="websocket", factory=MyEndpoint.DummyEndpointFactory.class)public class MyEndpoint { . . .   class DummyEndpointFactory implements EndpointFactory {    @Override public Object createEndpoint() { return null; }  }} This is only interim and will be cleaned up in subsequent builds. But I've seen couple of complaints about this already and so this deserves a short blog. Have you been tracking the latest Java EE 7 implementations in GlassFish 4 promoted builds ?

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  • Would you expect this error ?

    - by GrumpyOldDBA
    Now I know why, but what I'm thinking is that if I create an error should I get valid data returned? To explain, I was browsing through the dmvs for queries which might benefit from tuning and I identified a query with two clustered index scans ( table scans ). I don't know all the schema off by heart and I was looking for a select by a LoginID column. I assumed this would be numeric and promptly entered an integer value to examine the query plan, yeah I should have looked at the table definition...(read more)

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  • What are Information Centers?

    - by user12244613
    Information Centers are similar to product pages in the Oracle Sun System Handbook Many customers like the Oracle Sun System Handbook concept of a home page with all the product attributes, troubleshooting etc. access from a single home page. This concept is now available for a range of Oracle Solaris, Systems, and Storage products. The Information Center for each product covers areas such as: Overview, Hot Topics, Patching and Maintenance. The Information Center pages are dynamically generated each night to ensure the latest content is available to you. Here are the top Solaris, Systems, and Storage Information Centers: Oracle Explorer Data Collector Oracle Solaris 10 Live Upgrade Oracle Solaris 11 Booting Information Center Oracle Solaris 11 Desktop and Graphics Information Center Oracle Solaris 11 Image Packaging System (IPS) Information Center Oracle Solaris 11 Installation Information Center Oracle Solaris 11 Product Information Center Oracle Solaris 11 Security Information Center Oracle Solaris 11 System Administration Information Center Oracle Solaris 11 Zones Information Center Oracle Solaris Crash Analysis Tool(SCAT) - Information Center Oracle Solaris Cluster Information Center Oracle Solaris Internet Protocol Multipathing (IPMP) Information Center Oracle Solaris Live Upgrade Information Center Oracle Solaris ZFS Information Center Oracle Solaris Zones Information Center CMT T1000/T2000 and Netra T2000 CMT T5120/T5120/T5140/T5220/T5240/T5440 Systems M3000/M4000/M5000/M8000/M9000-32/M9000-64 Management and Diagnostic Tools for Oracle Sun Systems Netra CT410/810 and Netra CT900 Network-Attached Storage (NAS) Oracle Explorer Data Collector Oracle VM Server for SPARC (LDoms) Pillar Axiom 600 SL3000 Tape Library Sun Disk Storage Patching and Updates Sun Fire 3800/4800/4810/6800/E2900/E4900/E6900/V1280 - Netra 1280/1290 Sun Fire 12K/15K/E20K/E25K Sun Fire X4270 M2 Server Sun x86 Servers T3 and T4 Systems Tape Domain Firmware V210/V240/V440/V215/V245/V445 Servers VSM (VTSS/VLE/VTCS)

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  • Repairing The Visual Studio 2012 UI

    - by Ken Cox [MVP]
    I have sympathy for ‘Softies who don’t like the controversial ‘Metro’ UI changes but are afraid to say so. After all, who wants to commit a CLM (Career-Limiting Move) by declaring that the Emperor has no clothes (or gradients) and that ALL CAPS IN MENUS ARE DUMB? Talk about power! Here’s a higher-up (anyone got a name?) who has enforced a flat, monochrome, uninteresting user interface in Visual Studio 2012  that has been damned with faint praise by consumers. The pushback must have been enormous. Some ‘Softies disengage from the raging debate with, “It’s not my decision” while others feebly point out that the addition of some colour pixels in the icons is a real improvement over the beta version. True, I guess. With the UI pretty much locked, its down to repairing the damage. Fortunately, some Empire dissident has leaked the news to a blogger that  those SHOUTING CAPs aren’t hardcoded afterall: How To Prevent Visual Studio 2012 ALL CAPS Menus And so it goes. By RTM, I’m sure there will be many more add-ons to help us ‘de-Metro’ VS 2012 and recreate our favourite Visual Studio 2010 themes for it.

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  • OS Analytics Post and Discussion

    - by Owen Allen
    Eran Steiner has written an interesting piece over on the Enterprise Manager blog about the OS Analytics feature of Ops Center. OS Analytics gives you a huge amount of information about the characteristics of managed operating systems and lets you track changes to these characteristics over time. Take a look; it's a useful feature. The OS Analytics feature is also the subject of the community call this week (Eran is leading that one too). It's at 11 am EST. To join the conference: Go to https://oracleconferencing.webex.com/oracleconferencing/j.php?ED=209833067&UID=1512092402&PW=NY2JhMmFjMmFh&RT=MiMxMQ%3D%3D If requested, enter your name and email address. If a password is required, enter the meeting password: oracle123 Click Join. To dial into the conference, dial 1-866-682-4770 (US/Canada) or go here for the numbers in other countries. The conference code is 7629343# and the security code is 7777#.

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  • Developing in Notepad

    - by thycotic
    Kevin has posted about his experiences while developing a .NET app in Notepad while on vacation recently.  Personally I have found such simple exercises to be very useful in learning the fundamentals of a new platform (compiling, runtimes, etc) but I don’t ever like to be far from my IDE and my productivity add-ins such as keyboard shortcuts, Resharper, etc.     Jonathan Cogley is the CEO of Thycotic Software, an agile software services and product development company based in Washington DC.  Secret Server is our flagship enterprise password vault.

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  • Upcoming DotNetNuke Training for January 2011

    - by Chris Hammond
    With the New Year, why not resolve to learn more about DotNetNuke ? DotNetNuke is the most successful and widely adopted open source project on the Microsoft Stack. Its been around for eight years and isn’t going away anytime soon. While the software itself is written in VB.Net you are not limited to VB.Net when developing custom extensions for the platform, in fact, when I do my module development I do it primarily in C# out of preference. If you’re a developer out there who shuns learning a framework...(read more)

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  • Oracle’s Java Community Outreach Plan

    - by Tori Wieldt
    As the steward of Java, Oracle recognizes the importance and value of the Java community, and the relevant role it plays in keeping Java the largest, most vibrant developer community in the world.   In order to increase Oracle’s touch with Java developers worldwide, we are shifting our focus from a flagship JavaOne event followed by several regional JavaOne conferences, to a new outreach model which continues with the JavaOne flagship event, as well as a mix of online content, regional Java Tours, and regional 3rd party event participation.  1. JavaOne JavaOne continues to remain the premier hub for Java developers where you are given the opportunity to improve your Java technical skills, and interact with other members of the Java community. JavaOne is centered on open collaboration and sharing, and Oracle will continue to invest in JavaOne as a unique stand-alone event for the Java community. Oracle recognizes that many developers cannot attend JavaOne in person, therefore Oracle will share the wealth of the unique event material to those developers through a new and easy-to-access online Java program. While online JavaOne content cannot address the importance of actual face-to-face community/developer engagements and networking, online content does aide in extending the Java technical learning opportunity to a broader collection of developers. 2. Java Developer Day Tours Oracle will execute regional Java Developer Days with recognized Java User Groups (JUGs) with participation from Java Evangelist and Java Champions. This allows local, regional specific Java topics to be addressed both by Oracle and the Java community. In addition, Oracle will deliver more virtual technical content programs to reach developers where an existing JUG may not have a presence. 3. Sponsorship of Community-Driven Regional Events/Conferences Oracle also recognizes that improved community dialog and relations are achievable by continued Oracle sponsorship and onsite participation at both established/well-recognized 3rd party events and new emerging/growing 3rd party events. Oracle’s ultimate goal is to be an even better steward for Java by reaching more of the Java ecosystem with face-to-face and online community engagements. We look forward to planning tours and events with you, members of the Java community.

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  • Exciting product releases (and one disappointing thing) with Mix10

    - by Jeff
    Sadly, I'm not at Mix this year, for the first time in a few years. It's a little harder to go if you work for Microsoft, oddly enough. And then there's this little guy next to me, who at ten days old really needs his daddy to be around! But oh, the excitement of what Microsoft has in store! It's great to finally see all of these major releases coming together for Microsoft developer products. There is a great deal of excitement among people internally no matter where you work, because there is so much cool stuff in the pipe. In case you live under a rock...Visual Studio 2010 - Great to see all of the positive feedback on the Twitter and what not. I've been using it on one of my home products for awhile, and I really like it. The newer nightly builds of ReSharper also seem to be gaining speed in quality as well. I like the new debugging features, and the text readability is not imagined. Love it.Silverlight 4 - I've been running a couple of minor SL3 apps on my personal sites for awhile now, and I'm thrilled with the platform. With a couple of key concepts down, .NET folk like you and me can do some stellar things with this, and if you're a Mac nerd (like me), it's all kinds of awesome to be able to build stuff for it without the agony of Objective-C and X Code.Windows Phone 7 Series - A few weeks ago you got to see the shiny new UI that went beyond the icon grid, and now you've got the developer story as well. That I can adapt my existing Silverlight apps with minimal effort to work on the phone is pretty powerful. Millions of .NET devs just because phone developers, using the tools they already know. How great is that?ASP.NET MVC2 - The final bits shipped last week, and there was much rejoicing. I love this framework because of the testability and the real ability to get to the true mechanics of HTTP. The other cool thing is the speed at which the framework has evolved. v2 in less than a year is pretty "un-Microsoft" in a lot of eyes.The video of keynotes and sessions is starting to appear on the Mix site, but for reasons I can't understand, they're WMV downloads. For real? Not that helpful for Mac folk. Why wouldn't they be using a Silverlight player?In any case, the thing that continues to motivate me is that getting what you imagine on to the Internet gets easier every year. This is not a new revelation for me. I've only been at Microsoft for four months, but I've felt this way for years. I'm thrilled to be a part of it.

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  • Oracle WebCenter at the Enterprise 2.0 Conference

    - by Brian Dirking
    We had a great week at the E20 Conference, presenting in four sessions – Andy MacMillan gave a session titled Today’s Successful Enterprises are Social Enterprises and was on a panel that Tony Byrne moderated; Christian Finn spoke on a panel on Unified Communications Unified Communications + Social Computing = Best of Both Worlds?, Mark Bennett spoke on a panel on The Evolution of Talent Management. The key areas of focus this year were sentiment analysis, adoption and community building, the benefits of failure, and social’s role in process applications. Sentiment analysis. This was focused not on external audiences but more on employee sentiment. Tim Young showed his internal "NikoNiko" project, where employees use smilies to report their current mood. The result was a dashboard that showed the company mood by department. Since the goal is to improve productivity, people can see which departments are running into issues and try and address them. A company might otherwise wait until the end of the quarter financials to find out that there was a problem and product didn’t ship. This is a way to identify issues immediately. Tim is great – he had the crowd laughing as soon as he hit the stage, with his proposed hastag for his session: by making it 138 characters long, people couldn’t say much behind his back. And as I tweeted during his session, I loved his comment that complexity diffuses energy - it sounds like something Sun Tzu would say. Another example of employee sentiment analysis was CubeVibe. Founder and CEO Aaron Aycock, in his 3 minute pitch or die session talked about how engaged employees perform better. It was too bad he got gonged, he was just picking up speed, but CubeVibe did win the vote – congratulations to them. Internal adoption, community building, and involvement. On this topic I spoke to Terri Griffith, and she said there is some good work going on at University of Indiana regarding this, and hinted that she might be blogging about it in the near future. This area holds lots of interest for me. Amongst our customers, - CPAC stands out as an organization that has successfully built a community. So, I wonder - what are the building blocks? A strong leader? A common or unifying purpose? A certain level of engagement? I imagine someone has created an equation that says “for a community to grow at 30% per month, there must be an engagement level x to the square root of y, where x equals current community size, and y equals the expected growth rate, and the result is how many engagements the average user must contribute to maintain that growth.” Does anyone have a framework like that? The net result of everyone’s experience is that there is nothing to do but start early and fail often. Kevin Jones made this the focus of his keynote. He talked about the types of failure and what they mean. And he showed his famous kids at work video: Kevin’s blog also has this post: Social Business Failure #8: Workflow Integration. This is something that we’ve been working on at Oracle. Since so much of business is based in enterprise applications such as ERP and CRM (and since Oracle offers e-Business Suite, Siebel, PeopleSoft, and JD Edwards, as well as Fusion Applications), it makes sense that the social capabilities of Oracle WebCenter is built right into these applications. There are two types of social collaboration – ad-hoc, and exception handling. When you are in a business process and encounter an exception, you immediately look for 1) the document that tells you how to handle it, or 2) the person who can tell you how to handle it. With WebCenter built into these processes, people either search their content management system, or engage in expertise location and conversation. The great thing is, THEY DON’T HAVE TO LEAVE THE APPLICATION TO DO IT. Oracle has built the social capabilities right into the applications and business processes. I don’t think enough folks were able to see that at the event, but I expect that over the next six months folks will become very aware of it. WebCenter also provides the ability to have ad-hoc collaboration, search, and expertise location that folks need when they are innovating or collaborating. We demonstrated Oracle Social Network. It’s built on our Oracle WebCenter product to provide social collaboration inside and outside of your company. When we showed it to people, there were a number of areas that they commented on that were different from the other products being shown at the conference: Screenshots from within the product Many authors working on documents simultaneously Flagging people for follow up Direct ability to call out to people Ability to see presence not just if someone is online, but which conversation they are actively in Great stuff, the conference was full of smart people that that we enjoy spending time with. We’ll keep up in the meantime, but we look forward to seeing you in Boston.

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  • Manage and Monitor Identity Ranges in SQL Server Transactional Replication

    - by Yaniv Etrogi
    Problem When using transactional replication to replicate data in a one way topology from a publisher to a read-only subscriber(s) there is no need to manage identity ranges. However, when using  transactional replication to replicate data in a two way replication topology - between two or more servers there is a need to manage identity ranges in order to prevent a situation where an INSERT commands fails on a PRIMARY KEY violation error  due to the replicated row being inserted having a value for the identity column which already exists at the destination database. Solution There are two ways to address this situation: Assign a range of identity values per each server. Work with parallel identity values. The first method requires some maintenance while the second method does not and so the scripts provided with this article are very useful for anyone using the first method. I will explore this in more detail later in the article. In the first solution set server1 to work in the range of 1 to 1,000,000,000 and server2 to work in the range of 1,000,000,001 to 2,000,000,000.  The ranges are set and defined using the DBCC CHECKIDENT command and when the ranges in this example are well maintained you meet the goal of preventing the INSERT commands to fall due to a PRIMARY KEY violation. The first insert at server1 will get the identity value of 1, the second insert will get the value of 2 and so on while on server2 the first insert will get the identity value of 1000000001, the second insert 1000000002 and so on thus avoiding a conflict. Be aware that when a row is inserted the identity value (seed) is generated as part of the insert command at each server and the inserted row is replicated. The replicated row includes the identity column’s value so the data remains consistent across all servers but you will be able to tell on what server the original insert took place due the range that  the identity value belongs to. In the second solution you do not manage ranges but enforce a situation in which identity values can never get overlapped by setting the first identity value (seed) and the increment property one time only during the CREATE TABLE command of each table. So a table on server1 looks like this: CREATE TABLE T1 (  c1 int NOT NULL IDENTITY(1, 5) PRIMARY KEY CLUSTERED ,c2 int NOT NULL ); And a table on server2 looks like this: CREATE TABLE T1(  c1 int NOT NULL IDENTITY(2, 5) PRIMARY KEY CLUSTERED ,c2 int NOT NULL ); When these two tables are inserted the results of the identity values look like this: Server1:  1, 6, 11, 16, 21, 26… Server2:  2, 7, 12, 17, 22, 27… This assures no identity values conflicts while leaving a room for 3 additional servers to participate in this same environment. You can go up to 9 servers using this method by setting an increment value of 9 instead of 5 as I used in this example. Continues…

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  • Java Embedded @ JavaOne

    - by sasa
    2012?9?30??10?4?????????????????JavaOne????????????????????????????????Java?????????????????????????????JavaOne???10?3??4??????????????????????????·????????Java Embedded @ JavaOne??????????? JavaOne???????????JavaOne Embedded @ JavaOne??????????????????????????????????????Java SE Embedded?????????????????????????Java??????????????????????????? ????????????Java Embedded @ JavaOne??????9?7???$595?9?28???$795??????$995????????????????????JavaOne??????????????????100??????????

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  • Monitor SQL Server Replication Jobs

    - by Yaniv Etrogi
    The Replication infrastructure in SQL Server is implemented using SQL Server Agent to execute the various components involved in the form of a job (e.g. LogReader agent job, Distribution agent job, Merge agent job) SQL Server jobs execute a binary executable file which is basically C++ code. You can download all the scripts for this article here SQL Server Job Schedules By default each of job has only one schedule that is set to Start automatically when SQL Server Agent starts. This schedule ensures that when ever the SQL Server Agent service is started all the replication components are also put into action. This is OK and makes sense but there is one problem with this default configuration that needs improvement  -  if for any reason one of the components fails it remains down in a stopped state.   Unless you monitor the status of each component you will typically get to know about such a failure from a customer complaint as a result of missing data or data that is not up to date at the subscriber level. Furthermore, having any of these components in a stopped state can lead to more severe problems if not corrected within a short time. The action required to improve on this default settings is in fact very simple. Adding a second schedule that is set as a Daily Reoccurring schedule which runs every 1 minute does the trick. SQL Server Agent’s scheduler module knows how to handle overlapping schedules so if the job is already being executed by another schedule it will not get executed again at the same time. So, in the event of a failure the failed job remains down for at most 60 seconds. Many DBAs are not aware of this capability and so search for more complex solutions such as having an additional dedicated job running an external code in VBS or another scripting language that detects replication jobs in a stopped state and starts them but there is no need to seek such external solutions when what is needed can be accomplished by T-SQL code. SQL Server Jobs Status In addition to the 1 minute schedule we also want to ensure that key components in the replication are enabled so I can search for those components by their Category, and set their status to enabled in case they are disabled, by executing the stored procedure MonitorEnableReplicationAgents. The jobs that I typically have handled are listed below but you may want to extend this, so below is the query to return all jobs along with their category. SELECT category_id, name FROM msdb.dbo.syscategories ORDER BY category_id; Distribution Cleanup LogReader Agent Distribution Agent Snapshot Agent Jobs By default when a publication is created, a snapshot agent job also gets created with a daily schedule. I see more organizations where the snapshot agent job does not need to be executed automatically by the SQL Server Agent  scheduler than organizations who   need a new snapshot generated automatically. To assure this setting is in place I created the stored procedure MonitorSnapshotAgentsSchedules which disables snapshot agent jobs and also deletes the job schedule. It is worth mentioning that when the publication property immediate_sync is turned off then the snapshot files are not created when the Snapshot agent is executed by the job. You control this property when the publication is created with a parameter called @immediate_sync passed to sp_addpublication and for an existing publication you can use sp_changepublication. Implementation The scripts assume the existence of a database named PerfDB. Steps: Run the scripts to create the stored procedures in the PerfDB database. Create a job that executes the stored procedures every hour. -- Verify that the 1_Minute schedule exists. EXEC PerfDB.dbo.MonitorReplicationAgentsSchedules @CategoryId = 10; /* Distribution */ EXEC PerfDB.dbo.MonitorReplicationAgentsSchedules @CategoryId = 13; /* LogReader */ -- Verify all replication agents are enabled. EXEC PerfDB.dbo.MonitorEnableReplicationAgents @CategoryId = 10; /* Distribution */ EXEC PerfDB.dbo.MonitorEnableReplicationAgents @CategoryId = 13; /* LogReader */ EXEC PerfDB.dbo.MonitorEnableReplicationAgents @CategoryId = 11; /* Distribution clean up */ -- Verify that Snapshot agents are disabled and have no schedule EXEC PerfDB.dbo.MonitorSnapshotAgentsSchedules; Want to read more of about replication? Check at my replication posts at my blog.

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  • Luxottica Delivers an Elevated Customer Experience

    - by user801960
    Luxottica Group is a global leader in premium, luxury and sports eyewear with nearly 6,250 stores worldwide. The Group’s strong brand portfolio comprises ten house brands including Oakley, Ray-Ban, Percol and Arnette, and 20 licensed brands such as Bulgari, Chanel and Versace. In January at the Oracle Retail Exchange in New York, Luca Del Din, Luxottica Group’s IT Manager – Global Retail Demand and Integration and Irven Cassio, Digital Experience Director for Luxottica Retail introduced our REx delegates to their flagship Sunglass Hut store on Fifth Avenue. This store showcase provided the opportunity to explore this fantastic retail space incorporating the store’s interactive retail concept, the Sunglass Hut Social Sun station. I invite you to hear from Luca and Irven as we explore some of the innovative technologies and concepts that Luxottica deployed in this store and how these deliver an elevated customer experience.

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  • JMSContext, @JMSDestinationDefintion, DefaultJMSConnectionFactory with simplified JMS API: TOTD #213

    - by arungupta
    "What's New in JMS 2.0" Part 1 and Part 2 provide comprehensive introduction to new messaging features introduced in JMS 2.0. The biggest improvement in JMS 2.0 is introduction of the "new simplified API". This was explained in the Java EE 7 Launch Technical Keynote. You can watch a complete replay here. Sending and Receiving a JMS message using JMS 1.1 requires lot of boilerplate code, primarily because the API was designed 10+ years ago. Here is a code that shows how to send a message using JMS 1.1 API: @Statelesspublic class ClassicMessageSender { @Resource(lookup = "java:comp/DefaultJMSConnectionFactory") ConnectionFactory connectionFactory; @Resource(mappedName = "java:global/jms/myQueue") Queue demoQueue; public void sendMessage(String payload) { Connection connection = null; try { connection = connectionFactory.createConnection(); connection.start(); Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); MessageProducer messageProducer = session.createProducer(demoQueue); TextMessage textMessage = session.createTextMessage(payload); messageProducer.send(textMessage); } catch (JMSException ex) { ex.printStackTrace(); } finally { if (connection != null) { try { connection.close(); } catch (JMSException ex) { ex.printStackTrace(); } } } }} There are several issues with this code: A JMS ConnectionFactory needs to be created in a application server-specific way before this application can run. Application-specific destination needs to be created in an application server-specific way before this application can run. Several intermediate objects need to be created to honor the JMS 1.1 API, e.g. ConnectionFactory -> Connection -> Session -> MessageProducer -> TextMessage. Everything is a checked exception and so try/catch block must be specified. Connection need to be explicitly started and closed, and that bloats even the finally block. The new JMS 2.0 simplified API code looks like: @Statelesspublic class SimplifiedMessageSender { @Inject JMSContext context; @Resource(mappedName="java:global/jms/myQueue") Queue myQueue; public void sendMessage(String message) { context.createProducer().send(myQueue, message); }} The code is significantly improved from the previous version in the following ways: The JMSContext interface combines in a single object the functionality of both the Connection and the Session in the earlier JMS APIs.  You can obtain a JMSContext object by simply injecting it with the @Inject annotation.  No need to explicitly specify a ConnectionFactory. A default ConnectionFactory under the JNDI name of java:comp/DefaultJMSConnectionFactory is used if no explicit ConnectionFactory is specified. The destination can be easily created using newly introduced @JMSDestinationDefinition as: @JMSDestinationDefinition(name = "java:global/jms/myQueue",        interfaceName = "javax.jms.Queue") It can be specified on any Java EE component and the destination is created during deployment. JMSContext, Session, Connection, JMSProducer and JMSConsumer objects are now AutoCloseable. This means that these resources are automatically closed when they go out of scope. This also obviates the need to explicitly start the connection JMSException is now a runtime exception. Method chaining on JMSProducers allows to use builder patterns. No need to create separate Message object, you can specify the message body as an argument to the send() method instead. Want to try this code ? Download source code! Download Java EE 7 SDK and install. Start GlassFish: bin/asadmin start-domain Build the WAR (in the unzipped source code directory): mvn package Deploy the WAR: bin/asadmin deploy <source-code>/jms/target/jms-1.0-SNAPSHOT.war And access the application at http://localhost:8080/jms-1.0-SNAPSHOT/index.jsp to send and receive a message using classic and simplified API. A replay of JMS 2.0 session from Java EE 7 Launch Webinar provides complete details on what's new in this specification: Enjoy!

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  • POP Forums v10 beta posted for ASP.NET MVC 4

    - by Jeff
    Finally got some momentum and replaced the beta formerly known as v9.3. You can get it here, where you’ll find the information below. You can also read my previous post on why I ditched jQuery Mobile. This is the beta for POP Forums v10, with the mobile special sauce. It requires ASP.NET MVC 4 RC, which you can download here. Of course, feel free to submit bugs to the issue tracker. See a live demo here: http://popforums.com/Forums What's new? Uses a very light weight CSS and Javascript package to provide a touch-friendly interface for mobile devices. Numbers are formatted (sensitive to culture) when 1,000 or higher. CSS is more integration friendly, and specific to the ForumContainer element. Mail delivery from queue is now parallel, so you can specify a sending interval, and the number of messages to process on each interval. Background "services" refactored, and will only run with a call on app start to PopForumsActivation.StartServices(). This is partly to facilitate future use in Web farms/multiple Web roles. Update to jQuery v1.7.1. Replaced use of .live() with .on() in script, pursuant to jQuery update, which deprecates .live(). FIX: Bug in topic repository around caching keys for single-server data layer. FIX: Pager links on recent topics pointed to incorrect route. FIX: Deleting a post didn't update last user/post time. FIX: Ditched attempt at writing to event log with super failures, since almost no one has permission in production. FIX: Bug in grayed-out fields in admin mail setup. FIX: Weird color profiles would break loading of images for resize. FIX: TOS text on account sign-up was double encoded. Known issues None yet, but ditching jQuery Mobile from the previous beta turned out to be a good decision.

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  • Tömörítés becslése - Compression Advisor

    - by lsarecz
    Az Oracle Database 11g verziójától már OLTP adatbázisok is hatékonyan tömöríthetok az Advanced Compression funkcióval. Nem csak a tárolandó adatok mennyisége csökken ezáltal felére, vagy akár negyedére, de az adatbázis teljesítménye is javulhat, amennyiben I/O korlátos a rendszer (és általában az). Hogy pontosan mekkora tömörítés várható az Advanced Compression bevezetésével, az kiválóan becsülheto a Compression Advisor eszközzel. Ez nem csak az OLTP tömörítés mértékét, de 11gR2 verziótól kezdve a HCC tömörítés arányát is becsülni tudja, amely Exadata Database Machine, Pillar Axiom illetve ZFS Storage alkalmazásával érheto el. A HCC tömörítés becsléséhez csak 11gR2 adatbázisra van szükség, nem kell hozzá a speciális célhardver (Exadata, Pillar, ZFS). A Compression Advisor valójában a DBMS_COMPRESSION package használatával érheto el. A package-hez tartozik 6 konstans, amellyel a kívánt tömörítési szintek választhatók ki: Constant Type Value Description COMP_NOCOMPRESS NUMBER 1 No compression COMP_FOR_OLTP NUMBER 2 OLTP compression COMP_FOR_QUERY_HIGH NUMBER 4 High compression level for query operations COMP_FOR_QUERY_LOW NUMBER 8 Low compression level for query operations COMP_FOR_ARCHIVE_HIGH NUMBER 16 High compression level for archive operations COMP_FOR_ARCHIVE_LOW NUMBER 32 Low compression level for archive operations A GET_COMPRESSION_RATIO tárolt eljárás elemzi a tömöríteni kívánt táblát. Mindig csak egy táblát, vagy opcionálisan annak egy partícióját tudja elemezni úgy, hogy a tábláról készít egy másolatot egy külön erre a célra kijelölt/létrehozott táblatérre. Amennyiben az elemzést egyszerre több tömörítési szintre futtatjuk, úgy a tábláról annyi másolatot készít. A jó közelítésu becslés (+-5%) feltétele, hogy táblánként/partíciónként minimum 1 millió sor legyen. 11gR1 esetében még a DBMS_COMP_ADVISOR csomag GET_RATIO eljárása volt használatos, de ez még nem támogatta a HCC becslést. Érdemes még megnézni és kipróbálni a Tyler Muth blogjában publikált formázó eszközt, amivel a compression advisor kimenete alakítható jól értelmezheto formátumúvá. Végül összegezném mit is tartalmaz az Advanced Compression opció, mivel gyakran nem világos a felhasználóknak miért kell fizetni: Data Guard Network Compression Data Pump Compression (COMPRESSION=METADATA_ONLY does not require the Advanced Compression option) Multiple RMAN Compression Levels (RMAN DEFAULT COMPRESS does not require the Advanced Compression option) OLTP Table Compression SecureFiles Compression and Deduplication Ez alapján RMAN esetében például a default compression (BZIP2) szint ingyen használható, viszont az új ZLIB Advanced Compression opciót igényel. A ZLIB hatékonyabban használja a CPU-t, azaz jóval gyorsabb, viszont kisebb tömörítési arány érheto el vele.

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  • EVENT RECAP: Oracle Health Sciences Conference

    - by cwarticki
    Monaco served as an intense location for this year's Oracle Health Sciences User Group conference.  It was a "Grand Prix" event with nearly 200 attendees from all over the world.  In a country famous for high performance race cars, luxury super yachts and lifestyles of the rich & famous, the conference was very Ellison-esque. I think the Superyachts were being paired with Exadata. The OSHUG staff were fantastic . Robin and Taylor (pictured left) from Drohan Management took care of all the details and were wonderful to get to know. I met with some real Oracle loyalists.  Stan Sachar,  I.T. Manager for Westat, and the Focus Group co-chair for Admin Configuration Mgmt (ACM).  Westat was an early adopter of Oracle Clinical for clinical trial projects with installations in 1997-98.  I had a chance to talk with Stan during the reception and he is an Oracle advocate and evangelist. He's invested in his career in using Oracle products. (Stan Sachar pictured right with Dick Wolnick from Oracle, on left) I also met with Mirco Becker from Grunenthal Gmbh.  He's been working with the Argus product for over 6 years.  He's a big user of Oracle Support. Mirco attended my support best practices session and was actively engaged and asked several questions.  He's excited to adopt those best practices and work more efficiently and effectively with Support. Finally, I thank the many who attended my session.  I admit, the beautiful weather and view of the ocean was a distraction, but nonetheless my mission was to provide you with all the necessary support resources for Health Sciences users. You will find a copy of my presentation on the OSHUG website. Bon Voyage Monaco.  Thanks for the memories.  I'll see everyone next year, in Miami. -Chris WartickiGlobal Customer Management

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  • WCF Data Service Pipeline

    - by Daniel Cazzulino
    For documentation purposes, I just draw the following UML sequence diagrams for the “Astoria” pipeline, using Visual Studio 2010 Ultimate: For a single-entity (or non-batched) request, this is the sequence: For a batch request, this is the sequence instead: DataService component is your own DataService<T>-derived class, and DataService.ProcessingPipeline refers to its ProcessingPipeline property pipeline events.   /kzu

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  • GP11.1

    - by user13334066
    It's the Assen round of the 2011 motogp season, and Ducati have launched their GP11.1. The Ducati's front end woes were quite efficiently highlighted throughout the 2010 season, with both Casey and Nicky regularly visiting the gravel traps. Now the question is: was it really a front end issue. What's most probable is: the GP10 never had a front end issue. It was the rear that was out. So what did Stoner's team do? They came with setup changes that sorted out the rear end, while transferring the problem to the front. And Casey has this brilliant ability to push beyond the limits of a vague and erratic front end...and naturally the real problem lay hidden. Like Kevin Cameron said: in human nature, our strengths are our weaknesses. Casey's pure speed came at a lack of fine machinery feel, which ultimately took the Ducati in a wrong development direction.

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  • Watch the AutoVue release 20.0 Webcast - April 27 at 12pm EST

    - by [email protected]
    Join our live Webcast on Tuesday, April 27th, 2010 to discover how AutoVue release 20.0 can help you to: • Improve technical and business decision-making with visual access to accurate, in context information • Increase operational efficiency by integrating and visually enabling existing enterprise systems • Drive innovation by enhancing enterprise-wide document collaboration capabilities • Mitigate project risk with a reliable audit trail of changes and approvals Click here to register for the Webcast

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  • Want to book hotel stay using Bitcoin? Book using Expedia.com

    - by Gopinath
    The online travel booking leader Expedia announced that it started accepting Bitcoins for booking hotels on its website. For those who are new to Bitcoin, it is a digital currency in which transactions can be performed without the need for a central bank – its more like internet of currency. At the moment Expedia is accepting Bitcoin payments only for hotel bookings and in the future it may allow flights and vacation packages bookings. When Expedia customers wants to pay for a hotel using Bitcoin then they are transferred to Coinbase, a third party bit coin processor, for accepting the payments and then they are redirected back to Expedia.com to complete booking. This simple process would definitely drive mainstream adoption of Bitcoin – a win-win situation for digital currency users as well as for the travel company as they save a lot on card processing fees. Online retailers pay around 3% of transaction amount as fees for credit card processing companies like Visa & Master when they accept cards, but Coinbase charges a fee of just 1 percent for processing Bitcoins. Irrespective of customers adoption to Bitcoin based payments on Expedia as well as the savings on transaction fees, this move would give bragging rights to Expedia being the first e-commerce giant to accept digital currency! Image credit: Jonathan Caves

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  • Turn off Windows Defender on your builds

    - by george_v_reilly
    I've spent some time this evening profiling a Python application on Windows, trying to find out why it was so much slower than on Mac or Linux. The application is an in-house build tool which reads a number of config files, then writes some output files. Using the RunSnakeRun Python profile viewer on Windows, two things immediately leapt out at me: we were running os.stat a lot and file.close was really expensive. A quick test convinced me that we were stat-ing the same files over and over. It was a combination of explicit checks and implicit code, like os.walk calling os.path.isdir. I wrote a little cache that memoizes the results, which brought the cost of the os.stats down from 1.5 seconds to 0.6. Figuring out why closing files was so expensive was harder. I was writing 77 files, totaling just over 1MB, and it was taking 3.5 seconds. It turned out that it wasn't the UTF-8 codec or newline translation. It was simply that closing those files took far longer than it should have. I decided to try a different profiler, hoping to learn more. I downloaded the Windows Performance Toolkit. I recorded a couple of traces of my application running, then I looked at them in the Windows Performance Analyzer, whereupon I saw that in each case, the CPU spike of my app was followed by a CPU spike in MsMpEng.exe. What's MsMpEng.exe? It's Microsoft's antimalware engine, at the heart of Windows Defender. I added my build tree to the list of excluded locations, and my runtime halved. The 3.5 seconds of file closing dropped to 60 milliseconds, a 98% reduction. The moral of this story is: don't let your virus checker run on your builds.

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  • SQLAuthority News – Blog Subscription and Comments RSS

    - by pinaldave
    Quite often I get email where many readers ask me how to get email from SQLAuthority.com blog. Today very quickly I will go over few standard practices of this blog using you can stay connected with SQLAuthority.com First the most important is search: I received hundreds of emails and hundreds of comments every day. I try [...]

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