[英]Consuming local EJB, in the same Container but different ears
我正在試圖在同一個Glassfish中使用本地EJB,但不同的耳朵。 但Glassfish無法找到本地EJB或無法使用
我讀到了這一點: 根據JavaEE教程,@ Local bean的客戶端必須在與它訪問的企業bean相同的JVM中運行。
在第一只耳朵中 ,我在jar中有本地接口
@Local
public interface MyLocalBean {
int getNumber(int num3);
}
在另一個jar中,我有實現
@Stateless
@LocalBean
public class MyLocalBeanImpl implements MyLocalBean,Serializable{
public MyLocalBeanImpl() {}
public int getNumber(int num3){......
在第二只耳朵中 ,在同一條Glassfish中
我在jar里面有本地接口
@Local
public interface MyLocalBean {
int getNumber(int num3);
}
在另一個罐子里,我有消費者
@Stateless
@LocalBean
public class BeanConsumer{
@EJB(name="MyLocalBeanImpl")
private MyLocalBean beanlocal;
使用@EJB和(name =“MyLocalBeanImpl”)參數時,錯誤是:
Cannot resolve reference Local ejb-ref name=MyLocalBeanImpl,Local 3.x
interface =my.package.MyLocalBean,ejb-link=null,lookup=,
mappedName=,jndi-name=,refType=Session|#]
使用@EJB和(name =“my.package.MyLocalBeanImpl”)參數,錯誤是:
Cannot resolve reference Local ejb-ref name=my.package.MyLocalBeanImpl,
Local 3.x interface =my.package.MyLocalBean,ejb-link=null,
lookup=,mappedName=,jndi-name=,refType=Session|#]***
我也嘗試使用mappedName
@Stateless(name="MyLocalBeanImpl",mappedName ="MyLocalBeanImpl")
public class MyLocalBeanImpl implements MyLocalBean{
@EJB(name="MyLocalBeanImpl",mappedName ="MyLocalBeanImpl")
private MyLocalBean beanlocal;
但錯誤仍然存在
Cannot resolve reference Local ejb-ref name=MyLocalBeanImpl,
Local 3.x interface =my.package.MyLocalBean,ejb-link=null,
lookup=,mappedName=MyLocalBeanImpl,jndi-name=,refType=Session
GlassFish與JNDI一樣工作
java:global[/<app-name>]/<module-name>/<bean-name>
我將注釋@LocalBean添加到bean MyLocalBeanImpl中
@Stateless
@LocalBean
public class MyLocalBeanImpl implements MyLocalBean{
public MyLocalBeanImpl() {}
public int getNumber(int num3){......
當我部署Glassfish說jndi是兩個
Portable JNDI names for EJB OtroBean
java:global/myfirstear/myejbs/MyLocalBeanImpl!my.package.MyLocalBeanImpl
and
java:global/myfirstear/myejbs/MyLocalBeanImpl!my.package.MyLocalBean
我正在嘗試
@EJB(lookup="java:global/myfirstear/myejbs/MyLocalBeanImpl!my.package.MyLocalBeanImpl")
看起來Glassfish找到了Local Bean,但是...... Glassfish在拋出像這樣的東西時遇到了問題
javax.naming.NamingException
javax.ejb.EJBException: javax.ejb.CreateException: Could not create stateless EJB
at
com.sun.ejb.containers.StatelessSessionContainer
._getContext(StatelessSessionContainer.java:454)
.....
Caused by: javax.ejb.EJBException:
javax.ejb.CreateException: Could not create stateless EJB
....
Caused by: com.sun.enterprise.container.common.spi.util.InjectionException:
Exception attempting to inject Local ejb-ref name=my.package.BeanConsumer/beanlocal,
Local 3.x interface =my.package.MyLocalBean,ejb-link=null,
lookup=java:global/myfirstear/myejbs/MyLocalBeanImpl!my.package.MyLocalBeanImpl,
mappedName=,jndi-name=,refType=Session into class my.package.BeanConsumer:
Can not set my.package.MyLocalBean field my.package.BeanConsumer.beanlocal
to my.package.beans.__EJB31_Generated__MyLocalBeanImpl__Intf____Bean__
並嘗試
@EJB(lookup="java:global/myfirstear/myejbs/MyLocalBeanImpl")
我明白了:
throws javax.naming.NamingException
javax.ejb.EJBException: javax.ejb.EJBException: javax.ejb.CreateException: Could not create stateless EJB
Caused by: com.sun.enterprise.container.common.spi.util.InjectionException:
Exception attempting to inject Local ejb-ref
name=my.package.BeanConsumer/beanlocal,
Local 3.x interface =my.package.MyLocalBean,
ejb-link=null,
lookup=java:global/myfirstear/myejbs/MyLocalBeanImpl,
mappedName=,jndi-name=,refType=Session
into class my.package.BeanConsumer:
Lookup failed for 'java:comp/env/my.package.BeanConsumer/beanlocal'
in SerialContext
[myEnv={java.naming.factory.initial=
com.sun.enterprise.naming.impl.SerialInitContextFactory,
java.naming.factory.state=
com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl,
java.naming.factory.url.pkgs=
com.sun.enterprise.naming}
可以將本地EJB注入到同一JVM中的另一個EJB中,但不同的是。
問題是你不能再依賴於bean的名稱,因為你需要告訴使用者bean完整的JNDI名稱。 您可以在部署期間在服務器日志中找到此名稱; 當bean綁定到JNDI目錄時,服務器會在日志中顯示它。
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