怎么样使用JNDI查找部署在JBOSS中的EJB对象并调用？

使用环境

java1.5.0安装在(JAVA_HOME)C:/Program Files/Java/

JBOSS4.0.2安装在(JBOSS_HOME)C:/Program Files/jboss-4.0.2/

ANT1.6.2安装在(ANT_HOME)C:/Program Files/apache-ant-1.6.2/

文件路径

EjbDemo2(client(HelloClient.java);META-INF(ejb-jar.xml;jboss.xml);src(demo2(Hello.java;HelloLocal.java;HelloHome.java;HelloLocalHome.java.HelloBean.java));build.properties;build.xml;RunClient.bat)

使用的文件：

1.build.xml

<!--================EjbDemo2CreateByIUnknown!2007.01.14==================-->

<projectname="EjbDemo2"default="help"basedir=".">

<!--=====================PropertyDefinitions===========================-->

<propertyname="app.home"value="."/>

<propertyname="app.name"value="EjbDemo2"/>

<propertyname="src.home"value="${app.home}/src"/>

<propertyname="classes.home"value="${app.home}/classes"/>

<propertyname="deploy.home"value="${app.home}/deploy"/>

<propertyname="build.home"value="${app.home}/build"/>

<propertyname="metainf.home"value="${app.home}/META-INF"/>

<propertyname="buildmetainf.home"value="${build.home}/META-INF"/>

<propertyname="client.home"value="${app.home}/client"/>

<!--====================CompilationClasspath===========================-->

<propertyfile="build.properties"/>

<pathid="compile.classpath">

<pathelementlocation="${classes.home}"/>

<filesetdir="${jboss.home}/lib">

<includename="*.jar"/>

</fileset>

<filesetdir="${jboss.home}/client">

<includename="*.jar"/>

</fileset>

</path>

<!--===================="clean-all"Target================================-->

<targetname="clean-all">

<deletedir="${classes.home}"/>

<deletedir="${deploy.home}"/>

<deletedir="${buildmetainf.home}"/>

<deletedir="${build.home}"/>

<deletedir="${jboss.home}/${app.name}"failonerror="false"/>

<deletedir="${jboss.home}/${app.name}.jar"/>

</target>

<!--===================="prepare"Target================================-->

<targetname="perpare"depends="clean-all">

<mkdirdir="${classes.home}"/>

<mkdirdir="${deploy.home}"/>

<mkdirdir="${build.home}"/>

<mkdirdir="${build.home}/META-INF"/>

</target>

<!--===================="compile"Target================================-->

<targetname="compile"depends="perpare">

<javacsrcdir="${src.home}"destdir="${classes.home}"debug="yes">

<classpathrefid="compile.classpath"/>

</javac>

</target>

<!--===================="build"Target================================-->

<targetname="build"depends="compile">

<copytodir="${build.home}">

<filesetdir="${classes.home}"/>

</copy>

<copytodir="${client.home}">

<filesetdir="${classes.home}"/>

</copy>

<copytodir="${buildmetainf.home}">

<filesetdir="${metainf.home}"/>

</copy>

<jarjarfile="${deploy.home}/${app.name}.jar"basedir="${build.home}"/>

</target>

<!--===================="deploy"Target================================-->

<targetname="deploy"depends="build">

<copytodir="${webapps.home}"file="${deploy.home}/${app.name}.jar"/>

</target>

<!--===================="help"Target================================-->

<targetname="help">

<echomessage="EjbDemo2CreateByIUnknown!2007.01.14"/>

</target>

</project>

2.build.properties( 可以从环境变量中提取)

jboss.home=C:/ProgramFiles/jboss-4.0.2

webapps.home=C:/ProgramFiles/jboss-4.0.2/server/default/deploy

3.RunClient.bat

@echooff

echo****************************

echoRunCallEjbDemo2Client!

echoCreateByIUnknown

echo2007.01.14

echo****************************

cdclient

SETCLASSPATH=%CLASSPATH%;%JBOSS_HOME%clientjbossall-client.jar

javacHelloClient.java

javaHelloClient

cd..

4./client/HelloClient.java

importdemo2.HelloHome;

importdemo2.Hello;

importjavax.naming.Context;

importjavax.naming.InitialContext;

importjava.util.Hashtable;

importjava.util.Properties;

publicclassHelloClient

...{

publicstaticvoidmain(String[]args)

...{

try...{

Hashtableenv=newHashtable();

env.put(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");

env.put(Context.PROVIDER_URL,"localhost:1099");

env.put("java.naming.factory.url.pkgs","org.jboss.naming:org.jnp.interfaces");

Contextctx=newInitialContext(env);

Objectobj=ctx.lookup("HelloDemo2Bean");

if(obj!=null)...{

HelloHomeHome=(HelloHome)javax.rmi.PortableRemoteObject.narrow(obj,HelloHome.class);

Hellohello=Home.create();

if(hello!=null)...{

System.out.println(hello.hello());

}

}

}catch(javax.naming.NamingExceptione)...{

e.printStackTrace();

System.out.println("NamingException.");

}catch(javax.ejb.CreateExceptione)...{

e.printStackTrace();

System.out.println("CreateEjbException.");

}catch(java.rmi.RemoteExceptione)...{

e.printStackTrace();

System.out.println("RemotException.");

}catch(Exceptione)...{

System.out.print("Error!");

}

}

}

5./META-INF/ejb-jar.xml

<?xmlversion="1.0"encoding="UTF-8"?>

<ejb-jarxmlns="http://java.sun.com/xml/ns/j2ee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://java.sun.com/xml/ns/j2eehttp://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd"version="2.1">

<enterprise-beans>

<session>

<ejb-name>HelloBean</ejb-name>

<home>demo2.HelloHome</home>

<remote>demo2.Hello</remote>

<local-home>demo2.HelloLocalHome</local-home>

<local>demo2.HelloLocal</local>

<ejb-class>demo2.HelloBean</ejb-class>

<session-type>Stateless</session-type>

<transaction-type>Container</transaction-type>

</session>

</enterprise-beans>

</ejb-jar>

6./META-INF/jboss.xml

<?xmlversion="1.0"encoding="UTF-8"?>

<!DOCTYPEjbossPUBLIC"-//JBoss//DTDJBOSS3.2//EN""http://www.jboss.org/j2ee/dtd/jboss_3_2.dtd">

<jboss>

<enterprise-beans>

<session>

<ejb-name>HelloBean</ejb-name>

<jndi-name>HelloDemo2Bean</jndi-name>

</session>

</enterprise-beans>

</jboss>

7./src/demo2/Hello.java

//远程接口

//byIUnknown

packagedemo2;

publicinterfaceHelloextendsjavax.ejb.EJBObject

...{

publicStringhello()throwsjava.rmi.RemoteException;

}

8./src/demo2/HelloLoc