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  • Java Embedded @ JavaOne

    - by Tori Wieldt
    Developers, tell your manager (or the other half of your developer-entrepreneur self) about this new event being held Wednesday, Oct. 3th and Thursday, Oct. 4th in San Francisco at the Hotel Nikko (during JavaOne).Java Embedded @ JavaOne is designed to provide business and technical decision makers, as well as Java embedded ecosystem partners, a unique occasion to come together and learn about how they can use Java Embedded technologies for new business opportunities. The ideal audience for this event is business and technical decision makers (e.g. System Integrators, CTO, CXO, Chief Architects/Architects, Business Development Managers, Project Managers, Purchasing managers, Technical Leads, Senior Decision Makers, Practice Leads, R&D Heads, and Development Managers/Leads).A call for papers has gone out, but is ONLY for business-focused submissions. Event organizers are looking for best practices, case studies and panel discussions on emerging opportunities in the Java embedded space. Please consider submitting a paper. The deadline for submission is July 18.Attendees of both JavaOne and Oracle Openworld can attend Java Embedded @ JavaOne by purchasing a $100.00 USD upgrade to their full conference pass. Rates for attending Embedded @ JavaOne alone are here.

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  • Wanted: Java Code Brainteasers

    - by Tori Wieldt
    The Jan/Feb Java Magazine will go out next week. It's full of great Java stories, interviews and technical articles. It also includes a Fix This section; the idea of this section is challenging a Java developer's coding skills. It's a multiple-choice brainteaser that includes code and possible answers. The answer is provided in the next issue. For an example, check out Fix This in the Java Magazine premier issue. We are looking for community submissions to Fix This. Do you have a good code brain teaser? Remember, you want tease your fellow devs, not stump them completely! If you have a submission, here's what you do:  1. State the problem, including a short summary of the tool/technique, in about 75 words. 2. Send us the code snippet, with a short set-up so readers know what they are looking at (such as, "Consider the following piece of code to have database access within a Servlet.") 3. Provide four multiple-choice answers to the question, "What's the fix?" 4. Give us the answer, along with a brief explanation of why. 5. Tell us who you are (name, occupation, etc.) 6. Email the above to JAVAMAG_US at ORACLE.COM with "Fix This Submission" in the title. Deadlines for Fix This for next two issues of Java Magazine are Dec. 12th and Jan. 15th. Bring It!

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  • Methodology to understanding JQuery plugin & API's developed by third parties

    - by Taoist
    I have a question about third party created JQuery plug ins and API's and the methodology for understanding them. Recently I downloaded the JQuery Masonry/Infinite scroll plug in and I couldn't figure out how to configure it based on the instructions. So I downloaded a fully developed demo, then manually deleted everything that wouldn't break the functionality. The code that was left allowed me to understand the plug in much greater detail than the documentation. I'm now having a similar issue with a plug in called JQuery knob. http://anthonyterrien.com/knob/ If you look at the JQuery Knob readme file it says this is working code: $(function() { $('.dial') .trigger( 'configure', { "min":10, "max":40, "fgColor":"#FF0000", "skin":"tron", "cursor":true } ); }); But as far as I can tell it isn't at all. The read me also says the Plug in uses Canvas. I am wondering if I am suppose to wrap this code in a canvas context or if this functionality is already part of the plug in. I know this kind of "question" might not fit in here but I'm a bit confused on the assumptions around reading these kinds of documentation and thought I would post the query regardless. Curious to see if this is due to my "newbi" programming experience or if this is something seasoned coders also fight with. Thank you. Edit In response to Tyanna's reply. I modified the code and it still doesn't work. I posted it below. I made sure that I checked the Google Console to insure the basics were taken care of, such as not getting a read-error on the library. <!DOCTYPE html> <meta charset="UTF-8"> <title>knob</title> <link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/themes/hot-sneaks/jquery-ui.css" type="text/css" /> <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.js" charset="utf-8"></script> <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.21/jquery-ui.min.js"></script> <script src="js/jquery.knob.js"></script> <div id="button1">test </div> <script> $(function() { $("#button1").click(function () { $('.dial').trigger( 'configure', { "min":10, "max":40, "fgColor":"#FF0000", "skin":"tron", "cursor":true } ); }); }); </script>

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  • Concurrency Utilities for Java EE 6: JSR 236 Rebooting

    - by arungupta
    JSR 166 added support for concurrency utilities in the Java platform. The JSR 236's, a.k.a Concurrency Utilities for Java EE, goal was to extend that support to the Java EE platform by adding asynchronous abilities to different application components. The EG was however stagnant since Dec 2003. Its coming back to life with the co-spec lead Anthony Lai's message to the JSR 236 EG (archived here). The JSR will be operating under JCP 2.8's transparency rules and can be tracked at concurrency-spec.java.net. All the mailing lists are archived here. The final release is expected in Q1 2013 and the APIs will live in the javax.enterprise.concurrent package. Please submit your nomination if you would like to join this EG.

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  • Java is Insecure and Awful, It’s Time to Disable It, and Here’s How

    - by The Geek
    As usual, there’s yet another security hole in the Java Runtime Environment, and if you don’t disable your Java plugin, you’re at risk for being infected with malware. Here’s how to do it. Security holes are nothing new, but in this case, the security hole is really bad, and there’s no telling when Oracle will get around to fixing the problem. Plus, how often do you really need Java while browsing the web? Why keep it around? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How HTG Explains: What is DNS? How To Switch Webmail Providers Without Losing All Your Email

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  • Is Oracle a threat to Java? [closed]

    - by Deadlocked_Thread
    Java is one of the best language, but after Oracle has bought Sun it might try to go for some standardization (Like MS) and it might take Java away from programmers. Java is popular because it has no limits and i think Oracle is gonna set the limits to get some standards. Oracle is no longer supporting Eclipse (IBM) and political game is being played be both camps: 1. What is the future of Java? 2. Do you think it will be in same class as .NET family (C# etc.)? 3. Will MS get benefits from this internal fight?

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  • Branding Changes for Java EE6

    - by Paul Sorensen
    Hi Everyone, As we move the Java EE6 exams from beta to production, you may notice that we have made a slight change in the branding. Instead of being branded Oracle Certified Professional (OCP), these new credentials are now branded Oracle Certified Expert (OCE). One area where we use the Expert brand is for credentials where the technology is advanced or broader than the path based credential requires. Some are high-end add-on certifications, and others have significant additional technological breadth. In these cases, the Expert brand is an indication that someone is tested in more advanced or in-depth skills - beyond the traditional path-based certification. A few examples are RAC Expert for DBAs, or SQL Expert - also for DBAs. Because (1) all of the Java EE6 credentials require that candidates become certified first in Java SE6, and (2) many people earn more than one Java EE credential, we felt that the Expert branding would be more appropriate. Thanks,

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  • Integrating Amazon S3 in Java via NetBeans IDE

    - by Geertjan
    To continue from yesterday, let's set up a scenario that enables us to make use of this drag/drop service in NetBeans IDE: The above service is applicable to Amazon S3, an Amazon storage provider that is typically used to store large binary files. In Amazon S3, every object stored is contained in a bucket. Buckets partition the namespace of objects stored in Amazon S3. More on buckets here. Let's use the tools in NetBeans IDE to create a Java application that accesses our Amazon S3 buckets. Create a Java application named "AmazonBuckets" with a main class named "AmazonBuckets". Open the main class and then drag the above service into the main method of the class. Now, NetBeans IDE will create all the other classes and the properties file that you see in the screenshot below. The first thing to do is to open the properties file above and enter the access key and secret: access_key=SOMETHINGsecret=SOMETHINGELSE Now you're all set up. Make sure to, of course, actually have some buckets available: Then rewrite the Java class to parse the XML that is returned via the generated code: package amazonbuckets;import java.io.ByteArrayInputStream;import java.io.IOException;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import org.netbeans.saas.amazon.AmazonS3Service;import org.netbeans.saas.RestResponse;import org.w3c.dom.DOMException;import org.w3c.dom.Document;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import org.xml.sax.InputSource;import org.xml.sax.SAXException;public class AmazonBuckets {    public static void main(String[] args) {        try {            RestResponse result = AmazonS3Service.getBuckets();            String dataAsString = result.getDataAsString();            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();            Document doc = dBuilder.parse(                    new InputSource(new ByteArrayInputStream(dataAsString.getBytes("utf-8"))));            NodeList bucketList = doc.getElementsByTagName("Bucket");            for (int i = 0; i < bucketList.getLength(); i++) {                Node node = bucketList.item(i);                System.out.println("Bucket Name: " + node.getFirstChild().getTextContent());            }        } catch (IOException | ParserConfigurationException | SAXException | DOMException ex) {        }    }}That's all. This is simpler to setup than the scenario described yesterday. Also notice that there are other Amazon S3 services you can interact with from your Java code, again after generating a heap of code after drag/drop into a Java source file: I tried the above, e.g., I created a new Amazon S3 bucket after dragging "createBucket", adding my credentials in the properties file, and then running the code that had been created. I.e., without adding a single line of code I was able to programmatically create new buckets. The above outlines a handy set of tools and techniques to use if you want to let your users store and access data in Amazon S3 buckets directly from the application you've created for them.

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  • Groovy support in Java EE projects

    - by Martin Janicek
    As requested in the issue 144038, I've implemented support for Groovy in a Java enterprise projects. You should be able to combine Java/Groovy files, run them and thanks to the new Groovy JUnit tests support you can also run groovy tests together with your existing Java tests. I hope it will make your enterprise development (and especially enterprise testing) easier and more productive. Note: The changes will be propagated to the NetBeans daily build in a few days, so please stay in touch!

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  • Java ME JSRs approved by the JCP EC

    - by heathervc
    The two new Java ME related JSRs were submitted to the JCP earlier in October have been approved by the Executive Committee (EC) to continue development in the JCP program.  These JSRs are now open for Expert Group nominations. All registered JCP.org users can nominate themselves to serve on the JSR Expert Group, but you must become a JCP Member to be approved to serve on a JSR Expert Group. JSR 360, Connected Limited Device Configuration (CLDC) 8, was approved by the EC with 11 yes votes (AT&T was not eligible to vote).  You can also follow this project on their java.net project. JSR 361, Java ME Embedded Profile, was also approved by the EC with 11 yes votes (AT&T was not eligible to vote).  You can also follow this project on their java.net project. 11 yes votes

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  • Screencast: "Unlocking the Java EE Platform with HTML5"

    - by Geertjan
    The Java EE platform aims to increase your productivity and reduce the amount of scaffolding code needed in Java enterprise applications. It encompasses a range of specifications, such as JPA, EJB, JSF, and JAX-RS. How do these specifications fit together in an application, and how do they relate to each other? And how can HTML5 be used to leverage Java EE? In this recording of a session I did last week at Oredev in Malmo, Sweden, you learn how Java EE works and how it can be integrated with HTML5 front ends, via HTML, JavaScript, and CSS.

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  • Java EE/GlassFish Testimonials

    - by reza_rahman
    A key question to answer for Java EE and GlassFish centers on proof of successful adoption. To that end, we have made a serious effort to ask Java EE/GlassFish adopters to tell us their stories. There were a number of such stories shared at this year's GlassFish Community event at JavaOne. One that particularly stands out is a testimonial by celebrated Java EE advocate and independent consultant Adam Bien. For those of you that don't know it, Adam was given the "Top Java Ambassador" award by this year's JAX Innvovation Awards. See what Adam had to say here. We'll share more of these testimonials in days to come, so stay tuned.

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  • Web Speech API franchit un nouveau cap, la spécification JavaScript permettra d'intégrer la reconnaissance vocale dans les pages Web

    La spécification Web Speech API franchit un nouveau cap l'API JavaScript permet d'intégrer la reconnaissance vocale dans les pages Web La spécification Web Speech API vient de franchir une étape importante dans sa normalisation. Le groupe de travail Web Speech API du W3C a récemment publié le futur standard avec un appel des membres pour un accord de la spécification finale. Cette spécification décrit une API JavaScript qui permettra aux développeurs d'intégrer la reconnaissance vocale dans les pages Web. Grâce à cette API, les développeurs pourront utiliser des Scripts pour générer du texte à partir des paroles, utiliser la reconnaissance vocale comme entrée pour l...

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  • Page Équipe Java: nouveaux membres, nouvelles prises de responsabilités et nouveau look

    La page Équipe Java fait peau neuve ! Pour rappel cette page a pour but de présenter l'équipe de la rédaction de la rubrique Java et de ses sous rubriques. Chacune de ces personnes contribue grandement à l'essor de la rubrique Java par la rédaction de tutoriels, la gestion de FAQ, la création d'outils, etc. Leurs réalisations sont essentielles et sont parmi celles les plus populaires auprès des internautes. Concernant les modifications apportées à cette page Equipe, on notera des changements important au niveau de la responsabilité des rubriques. Enfin, la rubrique Java recrute des bénévoles : des modérateurs du f...

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  • Mozilla va marquer Java comme dangereux dans Firefox, à la grande colère des développeurs Web

    Mozilla va marquer Java comme dangereux dans Firefox à la grande colère des développeurs WebLe plugin Java, utilisé par de nombreuses applications et sites Web sera marqué comme dangereux à partir de Firefox 24 (le changement n'aurait pas encore été appliqué au navigateur).Java a été en proie à de nombreuses failles de sécurité pendant une longue période. Bien qu'Oracle ait fourni des efforts pour rendre la plateforme plus sûre, chaque mise à jour de sécurité ouvrait la voie à la découverte d'une...

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  • VMware et Salesforce annoncent VMForce, un Cloud d'entreprise pour les développeurs Java

    Salesforce.com et VMware nouent une alliance stratégique et lancent VMforce, le premier « cloud Java d'entreprise » VMforce ouvre les ressources du cloud à plus de 6 millions de développeurs Java d'entreprise ? dont 2 millions appartenant également à la communauté Spring Avec VMforce, les développeurs Java bénéficient immédiatement des services avancés de la plate-forme Force.com : base de données, gestion de workflows, outils d'analyse et de recherche, profils Chatter, fils d'information VMforce bénéficie également de la technologie vCloud pour radicalement simplifier l'administration et l'orchestration des applications dans les infrastructures VMware vSphere

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  • Java????????????????

    - by katsumii
    ????????Java ?????????????? (INOUE Katsumi @ Tokyo)?????????????java.exe???????????? jvm.dll ???????????????????????  ?????????????????4??OOW????????????????????????????????Environment Variables and System Properties - Troubleshooting Guide for HotSpot VMIn many environments the command line to start the application is not readily accessible?????????????????Oracle SQL Developer DownloadsOracle SQL Developer 3.2.2 (3.2.20.09.87) November 1, 2012?????Windows7 64-bit???Cygwin?bash????????????????2???SQL Developer??????$ JAVA_TOOL_OPTIONS="-Duser.language=en" /c/c/sqldeveloper/sqldeveloper.exe Picked up JAVA_TOOL_OPTIONS: -Duser.language=en 2??????????????????????????????????????????????????$ JAVA_TOOL_OPTIONS="-Duser.language=en -Xms999999999999999M" /c/c/sqldeveloper/sqldeveloper.exe Picked up JAVA_TOOL_OPTIONS: -Duser.language=en -Xms999999999999999M Invalid initial heap size: -Xms999999999999999M Eclipse ?java.exe???????jvm.dll?????????????????????????????????????

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  • How do I resolve "Unable to resolve attribute [organizationType.id] against path" exception?

    - by Dave
    I'm using Spring 3.1.1.RELEASE, Hibernate 4.1.0.Final, JUnit 4.8, and JPA 2.0 (hibernate-jpa-2.0-api). I'm trying to write a query and search based on fields of member fields. What I mean is I have this entity … @GenericGenerator(name = "uuid-strategy", strategy = "uuid.hex") @Entity @Table(name = "cb_organization", uniqueConstraints = {@UniqueConstraint(columnNames={"organization_id"})}) public class Organization implements Serializable { @Id @NotNull @GeneratedValue(generator = "uuid-strategy") @Column(name = "id") /* the database id of the Organization */ private String id; @ManyToOne @JoinColumn(name = "state_id", nullable = true, updatable = false) /* the State for the organization */ private State state; @ManyToOne @JoinColumn(name = "country_id", nullable = false, updatable = false) /* The country the Organization is in */ private Country country; @ManyToOne(optional = false) @JoinColumn(name = "organization_type_id", nullable = false, updatable = false) /* The type of the Organization */ private OrganizationType organizationType; Notice the members "organizationType," "state," and "country," which are all objects. I wish to build a query based on their id fields. This code @Override public List<Organization> findByOrgTypesCountryAndState(Set<String> organizationTypes, String countryId, String stateId) { CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Organization> criteria = builder.createQuery(Organization.class); Root<Organization> org = criteria.from(Organization.class); criteria.select(org).where(builder.and(org.get("organizationType.id").in(organizationTypes), builder.equal(org.get("state.id"), stateId), builder.equal(org.get("country.id"), countryId))); return entityManager.createQuery(criteria).getResultList(); } is throwing the exception below. How do I heal the pain? java.lang.IllegalArgumentException: Unable to resolve attribute [organizationType.id] against path at org.hibernate.ejb.criteria.path.AbstractPathImpl.unknownAttribute(AbstractPathImpl.java:116) at org.hibernate.ejb.criteria.path.AbstractPathImpl.locateAttribute(AbstractPathImpl.java:221) at org.hibernate.ejb.criteria.path.AbstractPathImpl.get(AbstractPathImpl.java:192) at org.mainco.subco.organization.repo.OrganizationDaoImpl.findByOrgTypesCountryAndState(OrganizationDaoImpl.java:248) at org.mainco.subco.organization.repo.OrganizationDaoTest.testFindByOrgTypesCountryAndState(OrganizationDaoTest.java:55) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74) at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83) at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

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