我收到错误 (...) javax.naming.NameNotFoundException:greetJndi 未绑定
这意味着 jndi 名称没有绑定任何内容greetJndi
,很可能是因为部署问题质量极低本教程的内容(检查服务器日志)。我会回来讨论这个。
JBoss 中部署有什么特定的目录结构吗?
内部结构ejb-jar
应该是这样的(使用糟糕的命名约定和默认包如上述链接所示):
.
├── greetBean.java
├── greetHome.java
├── greetRemote.java
└── META-INF
├── ejb-jar.xml
└── jboss.xml
但正如已经提到的,本教程充满了错误:
- 有一个额外的字符(
<enterprise-beans>]
ejb-jar.xml (!)
- 之后缺少一个空格
PUBLIC
in the ejb-jar.xml
and jboss.xml
(!!)
- the
jboss.xml
是不正确的,它应该包含session
元素而不是entity
(!!!)
这是一个“固定”版本ejb-jar.xml
:
<?xml version="1.0" encoding="UTF-8"?>
<!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>
<ejb-name>greetBean</ejb-name>
<home>greetHome</home>
<remote>greetRemote</remote>
<ejb-class>greetBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</session>
</enterprise-beans>
</ejb-jar>
而其中的jboss.xml
:
<?xml version="1.0"?>
<!DOCTYPE jboss PUBLIC "-//JBoss//DTD JBOSS 3.2//EN" "http://www.jboss.org/j2ee/dtd/jboss_3_2.dtd">
<jboss>
<enterprise-beans>
<session>
<ejb-name>greetBean</ejb-name>
<jndi-name>greetJndi</jndi-name>
</session>
</enterprise-beans>
</jboss>
完成这些更改并重新打包 ejb-jar 后,我能够成功部署它:
21:48:06,512 INFO [Ejb3DependenciesDeployer] Encountered deployment AbstractVFSDeploymentContext@5060868{vfszip:/home/pascal/opt/jboss-5.1.0.GA/server/default/deploy/greet.jar/}
21:48:06,534 INFO [EjbDeployer] installing bean: ejb/#greetBean,uid19981448
21:48:06,534 INFO [EjbDeployer] with dependencies:
21:48:06,534 INFO [EjbDeployer] and supplies:
21:48:06,534 INFO [EjbDeployer] jndi:greetJndi
21:48:06,624 INFO [EjbModule] Deploying greetBean
21:48:06,661 WARN [EjbModule] EJB configured to bypass security. Please verify if this is intended. Bean=greetBean Deployment=vfszip:/home/pascal/opt/jboss-5.1.0.GA/server/default/deploy/greet.jar/
21:48:06,805 INFO [ProxyFactory] Bound EJB Home 'greetBean' to jndi 'greetJndi'
该教程需要重大改进;我建议远离roseindia.net。