上次我尝试用Wicket学习Maven Enterprice Aplication，但我无法启动。
我用： Netbeans 8.2， Wicket 7， EJB3， 野生蝇10
项目结构：
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<name>SampleWicketProject</name>
<modules>
<module>SampleWicketProject-ear</module>
<module>SampleWicketProject-web</module>
<module>SampleWicketProject-ejb</module>
</modules>
</project>
SampleWicketProject-ear pom：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>SampleWicketProject</artifactId>
<groupId>com.example</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject-ear</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>ear</packaging>
<name>SampleWicketProject-ear</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-ear-plugin</artifactId>
<version>2.8</version>
<configuration>
<version>6</version>
<defaultLibBundleDir>lib</defaultLibBundleDir>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject-ejb</artifactId>
<version>1.0-SNAPSHOT</version>
<type>ejb</type>
</dependency>
<dependency>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject-web</artifactId>
<version>1.0-SNAPSHOT</version>
<type>war</type>
</dependency>
</dependencies>
</project>
SampleWicketProject-ejb pom：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>SampleWicketProject</artifactId>
<groupId>com.example</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject-ejb</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>ejb</packaging>
<name>SampleWicketProject-ejb</name>
<properties>
<endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.3.1.Final</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>unknown.binary</groupId>
<artifactId>hibernate-jpamodelgen-4.3.1.Final</artifactId>
<version>SNAPSHOT</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<compilerArguments>
<endorseddirs>${endorsed.dir}</endorseddirs>
</compilerArguments>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-ejb-plugin</artifactId>
<version>2.3</version>
<configuration>
<ejbVersion>3.1</ejbVersion>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<phase>validate</phase>
<goals>
<goal>copy</goal>
</goals>
<configuration>
<outputDirectory>${endorsed.dir}</outputDirectory>
<silent>true</silent>
<artifactItems>
<artifactItem>
<groupId>javax</groupId>
<artifactId>javaee-endorsed-api</artifactId>
<version>7.0</version>
<type>jar</type>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>unknown-jars-temp-repo</id>
<name>A temporary repository created by NetBeans for libraries and jars it could not identify. Please replace the dependencies in this repository with correct ones and delete this repository.</name>
<url>file:${project.basedir}/lib</url>
</repository>
</repositories>
</project>
SampleWicketProject-ejb persistance.xml：
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
<persistence-unit name="myPersistance" transaction-type="JTA">
<jta-data-source>java:/jboss/datasources/PostgreDataSource</jta-data-source>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<class>com.example.entities.Person</class>
<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect" />
<property name="hibernate.hbm2ddl.auto" value="update"/>
<property name="hibernate.show_sql" value="true" />
</properties>
</persistence-unit>
</persistence>
SampleWicketProject-ejb界面：
package com.example.Repository;
import com.example.entities.Person;
import javax.ejb.Local;
//@Local
public interface NewSessionBeanLocal {
public void addPerson(Person person);
}
SampleWicketProject-ejb class：
package com.example.Repository;
import com.example.entities.Person;
import javax.ejb.Stateless;
import javax.ejb.LocalBean;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
@Stateless
//@LocalBean
public class NewSessionBean implements NewSessionBeanLocal{
@PersistenceContext(unitName = "myPersistance")
EntityManager em;
@Override
public void addPerson(Person person) {
em.persist(person);
}
}
SampleWicketProject-web pom：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>SampleWicketProject</artifactId>
<groupId>com.example</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject-web</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>SampleWicketProject-web</name>
<properties>
<endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<wicket.version>7.6.0</wicket.version>
</properties>
<dependencies>
<dependency>
<groupId>com.example</groupId>
<artifactId>SampleWicketProject-ejb</artifactId>
<version>1.0-SNAPSHOT</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-core</artifactId>
<version>${wicket.version}</version>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-extensions</artifactId>
<version>${wicket.version}</version>
</dependency>
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>wicketstuff-javaee-inject</artifactId>
<version>${wicket.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<compilerArguments>
<endorseddirs>${endorsed.dir}</endorseddirs>
</compilerArguments>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<phase>validate</phase>
<goals>
<goal>copy</goal>
</goals>
<configuration>
<outputDirectory>${endorsed.dir}</outputDirectory>
<silent>true</silent>
<artifactItems>
<artifactItem>
<groupId>javax</groupId>
<artifactId>javaee-endorsed-api</artifactId>
<version>7.0</version>
<type>jar</type>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
<resources>
<resource>
<filtering>false</filtering>
<directory>src/main/resources</directory>
</resource>
<resource>
<filtering>false</filtering>
<directory>src/main/java</directory>
<includes>
<include>**</include>
</includes>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
</resources>
</build>
</project>
SampleWicketProject-web web.xml：
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<filter>
<filter-name>SampleWicketProject-web</filter-name>
<filter-class>org.apache.wicket.protocol.http.WicketFilter</filter-class>
<init-param>
<param-name>applicationClassName</param-name>
<param-value>com.example.WicketApplication</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>SampleWicketProject-web</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
SampleWicketProject-web classes：
WicketApplication.class
package com.example;
import org.apache.wicket.markup.html.WebPage;
ipackage com.example;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.protocol.http.WebApplication;
import org.wicketstuff.javaee.injection.JavaEEComponentInjector;
public class WicketApplication extends WebApplication{
@Override
public Class<? extends WebPage> getHomePage()
{
return StartPage.class;
}
@Override
protected void init(){
super.init();
getComponentInstantiationListeners().add(new JavaEEComponentInjector(this));
}
}
StartPage.class
package com.example;
import com.example.Repository.NewSessionBeanLocal;
import com.example.entities.Person;
import javax.ejb.EJB;
import javax.enterprise.context.SessionScoped;
import javax.inject.Named;
import org.apache.wicket.markup.html.WebPage;
@Named
@SessionScoped
public class StartPage extends WebPage {
@EJB
NewSessionBeanLocal beanLocal;
public StartPage() {
Person person = new Person();
person.setSurname("ABC");
person.setUsername("DEF");
beanLocal.addPerson(person);
}
}
StartPage.html
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<div>Hello World : Project Wicket + EJB</div>
</body>
</html>
我向WAR模块添加了EJB依赖，但是我一直有这个错误：
16:28:45,104 ERROR [org.apache.wicket.DefaultExceptionMapper] (default task-2) Unexpected error occurred: org.apache.wicket.WicketRuntimeException: Can't instantiate page using constructor 'public com.example.StartPage()'. An exception has been thrown during construction!
at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:194)
at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:67)
at org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:102)
at org.apache.wicket.core.request.handler.PageProvider.resolvePageInstance(PageProvider.java:271)
at org.apache.wicket.core.request.handler.PageProvider.getPageInstance(PageProvider.java:169)
at org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
at org.apache.wicket.request.handler.render.WebPageRenderer.isPageStateless(WebPageRenderer.java:287)
at org.apache.wicket.request.handler.render.WebPageRenderer.shouldRenderPageAndWriteResponse(WebPageRenderer.java:329)
at org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:193)
at org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:175)
... 46 more
Caused by: java.lang.NoClassDefFoundError: Lcom/example/Repository/NewSessionBeanLocal;
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
at java.lang.Class.getDeclaredFields(Class.java:1916)
at org.apache.wicket.injection.Injector.findFields(Injector.java:145)
at org.apache.wicket.injection.Injector.inject(Injector.java:93)
at org.wicketstuff.javaee.injection.JavaEEComponentInjector.inject(JavaEEComponentInjector.java:68)
at org.wicketstuff.javaee.injection.JavaEEComponentInjector.onInstantiation(JavaEEComponentInjector.java:74)
at org.apache.wicket.application.ComponentInstantiationListenerCollection$1.notify(ComponentInstantiationListenerCollection.java:38)
at org.apache.wicket.application.ComponentInstantiationListenerCollection$1.notify(ComponentInstantiationListenerCollection.java:34)
at org.apache.wicket.util.listener.ListenerCollection.notify(ListenerCollection.java:80)
at org.apache.wicket.application.ComponentInstantiationListenerCollection.onInstantiation(ComponentInstantiationListenerCollection.java:33)
at org.apache.wicket.Component.<init>(Component.java:688)
at org.apache.wicket.MarkupContainer.<init>(MarkupContainer.java:180)
at org.apache.wicket.Page.<init>(Page.java:170)
at org.apache.wicket.Page.<init>(Page.java:134)
at org.apache.wicket.markup.html.WebPage.<init>(WebPage.java:75)
at com.example.StartPage.<init>(StartPage.java:17)
... 51 more
Caused by: java.lang.ClassNotFoundException: com.example.Repository.NewSessionBeanLocal from [Module "deployment.SampleWicketProject-web-1.0-SNAPSHOT.war:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:198)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93)
... 68 more
我不明白出了什么问题。如果我添加另一个依赖，如hibernate，jpa ......或者没有，这没关系。我在Wildfly本地服务器上正确设置了数据库。我认为看起来WAR在wicket类中的EJB模块有一些问题......？有没有人知道可能是什么问题？感谢您的任何建议