我在 JBOSS 5 服务器中部署了 ejb 2.1。jndi 名称是ejb/DemoEJB
并且它与jmx-console tree
jboss 中的匹配。当我尝试按如下方式在 struts 动作类中查找时,它会抛出 ClassCastException
. 如果有任何不同的查找方式,请告诉我。ejb jar是单独部署的,不在ear文件中。
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
env.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");
env.put(Context.PROVIDER_URL, url);
InitialContext ctx = new InitialContext(env);
DemoEJB demoEjb = (DemoEJB)ctx.lookup("ejb/DemoEJB");
ejb-jar.xml
<?xml version = '1.0' encoding = 'windows-1252'?>
<!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>
<session>
<description>Session Bean ( Stateless )</description>
<display-name>DemoEJB</display-name>
<ejb-name>DemoEJB</ejb-name>
<home>DemoEJB.DemoEJBHome</home>
<remote>DemoEJB.DemoEJB</remote>
<ejb-class>DemoEJB.impl.DemoEJBBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</session>
jboss.xml
<?xml version = '1.0' encoding = 'UTF-8'?>
<!DOCTYPE jboss PUBLIC "-//JBoss//DTD JBOSS 5.0//EN" "http://www.jboss.org/j2ee/dtd/jboss_5_0.dtd">
<jboss>
<session>
<ejb-name >DemoEJB</ejb-name>
<jndi-name>ejb/DemoEJB</jndi-name>
<local-jndi-name >ejb/DemoEJB</local-jndi-name>
<ejb-ref>DemoEJB.DemoEJB </ejb-ref>
<ejb-local-ref>DemoEJB.DemoEJBHome</ejb-local-ref>
</session>
</jboss>
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