Hi ,All

In JSC 2.1 , web call Ejb's method, run fine on sun appserver 8.2,but happend error on jboss 4.0.2,as follows:
==========================================================================================================================
2007-04-11 21:04:12,093 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/yx]] Error Description
java.lang.ClassCastException
at com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:229)
at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137)
at czqx.menusession.MenuSessionClient.create(MenuSessionClient.java:31)
at czqx.menusession.MenuSessionClient.authPassword(MenuSessionClient.java:45)
at yx.login.loginButton_action(login.java:365)
............................
==========================================================================================================================

xml files in yx.war as follows:

========================================================================
web.xml

<web-app>
......
<ejb-ref>
<ejb-ref-name>ejb/MenuSession</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
czqx.MenuSessionHome
czqx.MenuSession
<ejb-link>CzqxEjb.jar#MenuSession</ejb-link>
</ejb-ref>
<resource-ref>
DataSource
<res-ref-name>jdbc/MSSQLDS</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
========================================================================
sun-web.xml

<sun-web-app error-url="">
......
<ejb-ref>
<ejb-ref-name>ejb/MenuSession</ejb-ref-name>
<jndi-name>corbaname:iiop:localhost:24700#ejb/MenuSession</jndi-name>
</ejb-ref>

<resource-ref>
<res-ref-name>jdbc/MSSQLDS</res-ref-name>
<jndi-name>jdbc/MSSQLDS</jndi-name>
<default-resource-principal>
sa
1234
</default-resource-principal>
</resource-ref>
......
</sun-web-app>
==========================================================================
jboss-web.xml

<jboss-web>

<resource-ref>
<res-ref-name>jdbc/MSSQLDS</res-ref-name>
<jndi-name>jdbc/MSSQLDS</jndi-name>
</resource-ref>

<ejb-ref>
<ejb-ref-name>ejb/MenuSession</ejb-ref-name>
<jndi-name>ejb/MenuSession</jndi-name>
</ejb-ref>

</jboss-web>
==========================================================================

xml files in CzqxEjb.jar as follows:

==========================================================================
ejb-jar.xml

<ejb-jar>
<display-name>CzqxEjb</display-name>
<enterprise-beans>

<ejb-name>Menuinfo</ejb-name>
czqx.MenuinfoRemoteHome
czqx.MenuinfoRemote
<ejb-class>czqx.MenuinfoBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
False
<cmp-version>2.x</cmp-version>
<abstract-schema-name>Menuinfo</abstract-schema-name>
<cmp-field>
<field-name>menuid</field-name>
</cmp-field>
......

</enterprise-beans>
</ejb-jar>
==========================================================================
jboss.xml


<enterprise-beans>

<ejb-name>Menuinfo</ejb-name>
<jndi-name>ejb/Menuinfo</jndi-name>


<ejb-name>MenuSession</ejb-name>
<jndi-name>ejb/MenuSession</jndi-name>


<ejb-name>Operinfo</ejb-name>
<jndi-name>ejb/Operinfo</jndi-name>


<ejb-name>Charcominfo</ejb-name>
<jndi-name>ejb/Charcominfo</jndi-name>


<ejb-name>Roleinfo</ejb-name>
<jndi-name>ejb/Roleinfo</jndi-name>


<ejb-name>Rolerightinfo</ejb-name>
<jndi-name>ejb/Rolerightinfo</jndi-name>


<ejb-name>Copyerinfo</ejb-name>
<jndi-name>ejb/Copyerinfo</jndi-name>

</enterprise-beans>

==========================================================================
sun-ejb-jar.xml

<sun-ejb-jar>
<enterprise-beans>

<ejb-name>Menuinfo</ejb-name>
<jndi-name>ejb/Menuinfo</jndi-name>
<ejb-name>Operinfo</ejb-name>
<jndi-name>ejb/Operinfo</jndi-name>
<ejb-name>Charcominfo</ejb-name>
<jndi-name>ejb/Charcominfo</jndi-name>
<ejb-name>Roleinfo</ejb-name>
<jndi-name>ejb/Roleinfo</jndi-name>
<ejb-name>Rolerightinfo</ejb-name>
<jndi-name>ejb/Rolerightinfo</jndi-name>
<ejb-name>Copyerinfo</ejb-name>
<jndi-name>ejb/Copyerinfo</jndi-name>
<pass-by-reference>false</pass-by-reference>

<ior-security-config>
<transport-config>
SUPPORTED
SUPPORTED
<establish-trust-in-target>SUPPORTED</establish-trust-in-target>
<establish-trust-in-client>SUPPORTED</establish-trust-in-client>
</transport-config>
<as-context>
<auth-method>USERNAME_PASSWORD</auth-method>
default
false
</as-context>
<sas-context>
<caller-propagation>SUPPORTED</caller-propagation>
</sas-context>
</ior-security-config>
<is-read-only-bean>false</is-read-only-bean>
<gen-classes/>



<ejb-name>MenuSession</ejb-name>
<jndi-name>ejb/MenuSession</jndi-name>


<cmp-resource>
<jndi-name>jdbc/MSSQLDS </jndi-name>
<create-tables-at-deploy>false</create-tables-at-deploy>
<drop-tables-at-undeploy>false</drop-tables-at-undeploy>
<database-vendor-name>mssql</database-vendor-name>
<!--<database-vendor-name>pointbase</database-vendor-name>-->
</cmp-resource>
</enterprise-beans>
</sun-ejb-jar>
==========================================================================

i can't find the question by as follows link
http://forum.java.sun.com/thread.jspa?threadID=742861&messageID=4258493

Thanks
Smile.