DeploymentException (using JBuilder)

[amun]

I tried to deploy my EJB using JBuilder.
My EJB jar file(quickstart_!.jar) was copied to JBoss/deploy successfully.
But in the JBoss command window, I found deployment error messages like this.
What's my problem?

________

/deploy/quickstart_!.jar
[INFO,J2eeDeployer] Deploy J2EE application: file:/C:/JBoss/JBoss-2.4.4_Tomcat-4
.0.1/jboss/deploy/quickstart_!.jar
[INFO,J2eeDeployer] Create application quickstart_!.jar
[INFO,J2eeDeployer] install EJB module quickstart_!.jar
[INFO,ContainerFactory] Deploying:file:/C:/JBoss/JBoss-2.4.4_Tomcat-4.0.1/jboss/
tmp/deploy/Default/quickstart_!.jar
[ERROR,ContainerFactory] DeploymentError
org.jboss.deployment.DeploymentException: Failed to obtain xml doc from URL, Cau
se: java.util.zip.ZipException: Can't find the file
at org.jboss.metadata.XmlFileLoader.getDocumentFromURL(XmlFileLoader.jav
a:229)
at org.jboss.metadata.XmlFileLoader.load(XmlFileLoader.java:143)
at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java:436)
at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java:369)
at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java:306)
at java.lang.reflect.Method.invoke(Native Method)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:16
28)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:15
23)
at org.jboss.deployment.J2eeDeployer.startModules(J2eeDeployer.java:487)

at org.jboss.deployment.J2eeDeployer.startApplication(J2eeDeployer.java:
459)
at org.jboss.deployment.J2eeDeployer.deploy(J2eeDeployer.java:190)
at java.lang.reflect.Method.invoke(Native Method)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:16
28)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:15
23)
at org.jboss.deployment.AutoDeployer.deploy(AutoDeployer.java:395)
at org.jboss.deployment.AutoDeployer.run(AutoDeployer.java:233)
at java.lang.Thread.run(Thread.java:484)
[ERROR,J2eeDeployer] Starting quickstart_!.jar failed!
[ERROR,Default] org.jboss.deployment.DeploymentException: Could not deploy file:
/C:/JBoss/JBoss-2.4.4_Tomcat-4.0.1/jboss/tmp/deploy/Default/quickstart_!.jar, Ca
use: org.jboss.deployment.DeploymentException: Failed to obtain xml doc from URL
, Cause: java.util.zip.ZipException: Can't find the file[ERROR,Default] at org.jboss.ejb.ContainerFactory.deploy(ContainerFactor
y.java:403)
[ERROR,Default]
[ERROR,Default] at org.jboss.ejb.ContainerFactory.deploy(ContainerFactor
y.java:306)
[ERROR,Default]
[ERROR,Default] at java.lang.reflect.Method.invoke(Native Method)
[ERROR,Default]
[ERROR,Default] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe
rverImpl.java:1628)
[ERROR,Default]
[ERROR,Default] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe
rverImpl.java:1523)
[ERROR,Default]
[ERROR,Default] at org.jboss.deployment.J2eeDeployer.startModules(J2eeDe
ployer.java:487)
[ERROR,Default]
[ERROR,Default] at org.jboss.deployment.J2eeDeployer.startApplication(J2
eeDeployer.java:459)
[ERROR,Default]
[ERROR,Default] at org.jboss.deployment.J2eeDeployer.deploy(J2eeDeployer
.java:190)
[ERROR,Default]
[ERROR,Default] at java.lang.reflect.Method.invoke(Native Method)
[ERROR,Default]
[ERROR,Default] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe
rverImpl.java:1628)
[ERROR,Default]
[ERROR,Default] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe
rverImpl.java:1523)
[ERROR,Default]
[ERROR,Default] at org.jboss.deployment.AutoDeployer.deploy(AutoDeployer
.java:395)
[ERROR,Default]
[ERROR,Default] at org.jboss.deployment.AutoDeployer.run(AutoDeployer.ja
va:233)
[ERROR,Default]
[ERROR,Default] at java.lang.Thread.run(Thread.java:484)
[ERROR,Default]
[INFO,J2eeDeployer] Module quickstart_!.jar is not running
[INFO,J2eeDeployer] Destroying application quickstart_!.jar
[ERROR,AutoDeployer] DeploymentInfo failed:file:/C:/JBoss/JBoss-2.4.4_Tomcat-4.0
.1/jboss/deploy/quickstart_!.jar
org.jboss.deployment.J2eeDeploymentException: Error while starting quickstart_!.
jar: Could not deploy file:/C:/JBoss/JBoss-2.4.4_Tomcat-4.0.1/jboss/tmp/deploy/D
efault/quickstart_!.jar, Cause: org.jboss.deployment.DeploymentException: Could
not deploy file:/C:/JBoss/JBoss-2.4.4_Tomcat-4.0.1/jboss/tmp/deploy/Default/quic
kstart_!.jar, Cause: org.jboss.deployment.DeploymentException: Failed to obtain
xml doc from URL, Cause: java.util.zip.ZipException: Can't find the file
at org.jboss.deployment.J2eeDeployer.startModules(J2eeDeployer.java:518)

at org.jboss.deployment.J2eeDeployer.startApplication(J2eeDeployer.java:
459)
at org.jboss.deployment.J2eeDeployer.deploy(J2eeDeployer.java:190)
at java.lang.reflect.Method.invoke(Native Method)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:16
28)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:15
23)
at org.jboss.deployment.AutoDeployer.deploy(AutoDeployer.java:395)
at org.jboss.deployment.AutoDeployer.run(AutoDeployer.java:233)
at java.lang.Thread.run(Thread.java:484)