第一次接触jboss,运行例子出错,郁闷,求教

我按照本论坛“JBoss的安装”一文将documentation-example.zip用ant intro-interest-ear编译以后,将interest.ear复制到E:\jboss-3.2.2\server\default\deploy中,运行jboss3.2.2出现错误:

org.jboss.deployment.DeploymentException: ejb-jar.xml must define a valid DOCTYP
E!
at org.jboss.metadata.ApplicationMetaData.importEjbJarXml(ApplicationMet
aData.java:206)
at org.jboss.metadata.XmlFileLoader.load(XmlFileLoader.java:141)
at org.jboss.ejb.EJBDeployer.create(EJBDeployer.java:436)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:786)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:778)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:641)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)
at sun.reflect.GeneratedMethodAccessor38.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBea
nDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
at $Proxy6.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymen
tScanner.java:302)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentS
canner.java:476)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.
doScan(AbstractDeploymentScanner.java:201)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.
loop(AbstractDeploymentScanner.java:212)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.
run(AbstractDeploymentScanner.java:191)
16:44:04,743 ERROR [MainDeployer] could not create deployment: file:/E:/jboss-3.
2.2/server/default/deploy/interest.ear
org.jboss.deployment.DeploymentException: ejb-jar.xml must define a valid DOCTYP
E!
at org.jboss.metadata.ApplicationMetaData.importEjbJarXml(ApplicationMet
aData.java:206)
at org.jboss.metadata.XmlFileLoader.load(XmlFileLoader.java:141)
at org.jboss.ejb.EJBDeployer.create(EJBDeployer.java:436)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:786)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:778)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:641)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)
at sun.reflect.GeneratedMethodAccessor38.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBea
nDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
at $Proxy6.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymen
tScanner.java:302)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentS
canner.java:476)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.
doScan(AbstractDeploymentScanner.java:201)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.
loop(AbstractDeploymentScanner.java:212)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.
run(AbstractDeploymentScanner.java:191)
那位高手能告诉我是哪里出了错误了?谢谢!

>>>>>>>>>>>>
org.jboss.deployment.DeploymentException: ejb-jar.xml must define a valid DOCTYP
E!

这里错了吧!



<?xml version="1.0" encoding="UTF-8"?>

<ejb-jar>
<description>JBoss Interest Sample Application</description>
<display-name>Interest EJB</display-name>
<enterprise-beans>
<session>
<ejb-name>Interest</ejb-name>
<home>org.jboss.docs.interest.InterestHome</home>
<remote>org.jboss.docs.interest.Interest</remote>
<ejb-class>org.jboss.docs.interest.InterestBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Bean</transaction-type>
</session>
</enterprise-beans>
</ejb-jar>

to yung:
您好,我该怎样修改哪?谢谢