I used jsp to access EJB component,then use EJB to access JCA Resource Adapter, the configure file belows: ejb-jar.xml <?xml version="1.0"?<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd" <ejb-jar<enterprise-beans <ejb-name>DemoEJB</ejb-name com.hellking.jca.ejb.DemoHome com.hellking.jca.ejb.Demo <ejb-class>com.hellking.jca.ejb.DemoEJB</ejb-class <session-type>Stateless</session-type <transaction-type>Container</transaction-type <resource-ref <res-ref-name>eis/DemoEISFactory</res-ref-name <res-type>javax.resource.cci.ConnectionFactory</res-type <res-auth>Container</res-auth </resource-ref </enterprise-beans</ejb-jar jboss.xml <?xml version="1.0"? false <container-configurations / <resource-managers / <enterprise-beans <ejb-name>DemoEJB</ejb-name <jndi-name>ejb/demo</jndi-name <resource-ref <res-ref-name>eis/DemoEISFactory</res-ref-name <jndi-name>java:/NoTransDemo</jndi-name </resource-ref </enterprise-beans here is the resource adapter's ra.xml: <?xml version="1.0" encoding="UTF-8"?<!DOCTYPE connector PUBLIC '-//Sun Microsystems, Inc.//DTD Connector 1.0//EN' 'http://java.sun.com/dtd/connector_1_0.dtd' <display-name>DemoRA</display-name <vendor-name>HELLKING</vendor-name <spec-version>1.0</spec-version <eis-type>NO TRANS</eis-type 1.2 <managedconnectionfactory-class>com.hellking.jca.DemoManagedConnectionFactory</managedconnectionfactory-class <connectionfactory-interface>javax.resource.cci.ConnectionFactory</connectionfactory-interface <connectionfactory-impl-class>com.hellking.jca.DemoConnectionFactoryImpl</connectionfactory-impl-class <connection-interface>com.hellking.jca.DemoConnection</connection-interface <connection-impl-class>com.hellking.jca.DemoConnectionImpl</connection-impl-class <transaction-support>NoTransaction</transaction-support <config-property <config-property-name>Server</config-property-name <config-property-type>java.lang.String</config-property-type <config-property-value>localhost</config-property-value </config-property <config-property <config-property-name>Port</config-property-name <config-property-type>java.lang.Integer</config-property-type <config-property-value>2008</config-property-value </config-property <reauthentication-support>false</reauthentication-support thanks for any help View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4010880#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...