java-ee

问题 i am new to jboss, and i want to enable the hot deploy feature as in tomcat. right now when making any change to the xhtml page, i rebuild the application then redeploy the whole war, which is too much. but in tomcat the war file was extracted, and then i replace the change xhtml file only and see the change immediately. i was wondering how to accomplish same behavior for jboss-as-7.1.1.Final, and not in eclipse. please advise how to do that, thanks. 回答1: You can do the same thing in JBoss as

问题 This question already has answers here : Detecting Device Type in a web application (7 answers) Closed 6 years ago . I am having a web application , which works fine . now there is a particular page which gets bulky when i access the application from smartphone browser , so I wanted a situation like if(request comes from computer browser client ) forward to bulky page in web application else if (request comes from smartphone ) forward to some other light page . please put your suggestion how

问题 I'm trying to made a clean install for a Maven project but I found a problem. The console displays this error: [INFO] Failed to configure plugin parameters for: org.apache.maven.plugins:maven-enforcer-plugin:1.0 Cause: Class 'org.apache.maven.enforcer.rule.api.EnforcerRule' cannot be instantiated It's the same error for the command line: mvn release:prepare -Dresume=false This is the pom of all the project: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0

问题 I develop client-server application with JavaEE. I have a stateless bean AuthenticateEJB . It works fine, database entry refreshs when I use Application-Managed Entity Manager (package and import statements omitted for simplifying): @PersistenceUnit(unitName = "horses_unit") EntityManager em; user.setToken("PapaToken"); EntityManagerFactory emf = Persistence.createEntityManagerFactory("horses_unit"); EntityManager em = emf.createEntityManager(); EntityTransaction tx = em.getTransaction(); tx

问题 I have 3 classes with the corresponding relationship parent child on them: //SigTcContraloriaObjetivos, SigTcContraloriaIniciativas, SigTcContraloriaAcciones <class dynamic-insert="false" dynamic-update="true" mutable="true" name="org.citi.tablero.contraloria.planes.model.db.hibernate.dto.SigTcContraloriaObjetivos" optimistic-lock="version" polymorphism="implicit" select-before-update="false" table="SIG_TC_CONTRALORIA_OBJETIVOS"> <id column="ID_OBJETIVO" name="idObjetivo"> <generator class=

问题 I am using hibernate 4.1.10.Final to insert data into database, but it throws the following exception, I have three tables, development and address . Development has an object of address in itself. INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final} INFO: HHH000412: Hibernate Core {4.1.10.Final} INFO: HHH000206: hibernate.properties not found INFO: HHH000021: Bytecode provider name : javassist INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml INFO: HHH000040:

问题 We can set qualifier names for a bean (for example @Qualifier(value="myBeanQualifiedName") ) . but I want to know how to set a Qualifier name at run time in a @Configuration class. Assume based on a application logic I want to give a name to a bean as a qualifier in a configuration file. EDITED: ConcreteBean is a child class of MyAbstractBean. @Configuration public class MyBeanFactory { @Bean public MyAbstractBean getMySpecifiedBean(String condition){ String QUALIFIER_NAME="QulifierName"

问题 I am in the process of converting a legacy system into a Spring JavaEE application and have gotten stuck trying to design the install process. Basically when the application starts up, it needs to check whether the database schema exists and other settings and prompt the user to set them step-by-step until everything is setup. (User is assumed to be entirely non technical). This process doesn't really fit with a Spring MVC style webapp and I think their Webflow might be utter overkill (and

问题 private void buildDeck(ArrayList<Card> Monsters, ArrayList<Card> Spells) { int monstersQouta = 15; int spellsQouta = 5; Random r = new Random(); for (; monstersQouta > 0; monstersQouta--) { int randomIndex = r.nextInt(monsters.size()); MonsterCard monster = (MonsterCard) monsters.get(randomIndex); MonsterCard clone = new MonsterCard(monster.getName(), monster.getDescription(), monster.getLevel(), monster.getAttackPoints(), monster.getDefensePoints()); clone.setMode(monster.getMode()); clone

问题 I have 2 servlets in a web project (Maven) : ServletA created in a earlier version of my project (Maven project), works just fine. ServletB that I've just created after I add (in the properties /Project Facets/Dynamic Web Module 2.4 so it can be recognized as a web project in eclipse)I'm choosing 2.4 beacuse of application server restrictions. However when I create my servlet I can see the web.xml being mapped with it, but when I execute mvn clean compile package the web.xml in the target