package ejb3;//HelloWorld接口public interface HelloWorld { public String SayHello(String name);}package ejb3.impl;//HelloWorldBean实现接口HelloWorldimport ejb3.HelloWorld;import javax.ejb.*;@Stateless@Remote({HelloWorld.class})public class HelloWorldBean implements HelloWorld{ public String SayHello(String name){ return name+"这是我的第一个EJB3."; }}package debug;//创建EJBFactory类，用于使用JNDI获取EJB对象import java.util.*;import javax.naming.*;;public class EJBFactory { public static Object getEJB(String jndipath){ try{ Properties props=new Properties(); props.setProperty("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory"); props.setProperty("java.naming.provider.url","localhost:1099"); props.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming:org.jnp.interfaces"); InitialContext ctx=new InitialContext(props); return ctx.lookup(jndipath); }catch(NamingException e){ e.printStackTrace(); } return null; }package debug;//JUnit测试类import static org.junit.Assert.*;import org.junit.BeforeClass;import org.junit.Test;import ejb3.HelloWorld;public class HelloWorldTest { protected static HelloWorld helloworld; @BeforeClass public static void setUpBeforeClass()throws Exception{ helloworld=(HelloWorld)EJBFactory.getEJB("HelloWorldBean/remote"); } @Test public void testSayHello(){ assertEquals("laozhang:这是我的第一个EJB3.",helloworld.SayHello("laozhang")); }}//build.xml文件，编译和发布HelloWorldEJB到Jboss服务器<?xml version="1.0" encoding="UTF-8"?><!-- EJB3 HelloWorld build file --><project name="HelloworldEJB" default="ejbjar" basedir="."><property environment="env"/><property name="app.dir" value="${basedir}"/><property name="src.dir" value="${app.dir}/src"/><property name="jboss.home" value="${env.jboss_home}"/><property name="jboss.server.config" value="all"/><property name="build.dir" value="${app.dir}/build"/><property name="build.classes.dir" value="${build.dir}/classes"/><property name="ejbjar.name" value="${ant.project.name}"/><!--Build classpath--><path id="build.classpath"><fileset dir="F:\wildfly-10.0.0.Final\bin\client"><include name="*.jar"/></fileset><pathelement location ="${build.classes.dir}"/></path><!-- Prepares the build directory --><target name="prepare" depends="clean"><mkdir dir="${build.dir}"/><mkdir dir="${build.classes.dir}"/></target><!-- Compiles the source code --><target name="compile" depends="prepare" description="编译"><Javac srcdir="${src.dir}" destdir="${build.classes.dir}" debug="on" deprecation="on" potimize="off" includes="edu/**"></Javac></target><target name="ejbjar" depends="compile" description="创建EJB发布包"><jar jarfile="${ap.dir}/${ejbjar.name}.jar"><fileset dir="${build.classes.dir}"><include name="**/*.class"/><exclude name="junit/debug/*.*"/></fileset></jar></target><target name="deploy" depends="ejbjar" description="发布EJB"><copy file="${app.dir}/${ejbjar.name}.jar" todir="${jboss.home}/server/${jboss.server.config}/deploy"/></target><!-- Clean up generated stuff --><target name="clean"><delete dir="${build.dir}" description="卸载EJB"/><delete file="${jboss.home}/server/${jboss.server.config}/deploy/${ejbjar.name}.jar"/></target></project>对HelloWorldTest类进行Junit测试结果抛出异常：javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory] at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:674) at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313) at javax.naming.InitialContext.init(InitialContext.java:244) at javax.naming.InitialContext.<init>(InitialContext.java:216) at debug.EJBFactory.getEJB(EJBFactory.java:12) at debug.HelloWorldTest.setUpBeforeClass(HelloWorldTest.java:12) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)Caused by: java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:72) at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:61) at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:672) ... 20 more我自己也在网上找了下问题所在，答案都是说环境变量没有配置好，或者将JBOSS_Home下client文件夹中的所有jar包都导入到项目工程中之类的，还有就是先建立一个ejb工程写接口和类然后导入另外的java工程里测试，我都试过了，但是都是上面的异常并没有什么作用。大神们帮帮我吧T.T，十分感谢！
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