我在JBOSS 5服務器中部署了ejb 2.1。 jndi的名字是ejb/DemoEJB
,它與jboss中的jmx-console tree
相匹配。當我嘗試在struts action class中查找時,它會拋出ClassCastException
。請讓我知道,如果有任何不同的方式來查找。 ejb jar是單獨部署的,它不在ear文件中。jboss 5 ejb2.1從struts action class中查找原因ClassCastException
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中
<?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>
的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>
堆棧跟蹤
我認爲堆棧跟蹤將是有益的:) – DXTR66
@ Dr.UnitTest:添加堆棧跟蹤。 –