[JBossWS] - Re: Obtain SOAP attachment from PostMethod
by thomas.diesler＠jboss.com
| /**
| * The interface <code>MessageContext</code> abstracts the message
| * context that is processed by a handler in the <code>handle</code>
| * method.
| *
| * <p>The <code>MessageContext</code> interface provides methods to
| * manage a property set. <code>MessageContext</code> properties
| * enable handlers in a handler chain to share processing related
| * state.
| *
| * @since JAX-WS 2.0
| */
| public interface MessageContext extends Map<String, Object>
| {
|
| /**
| * Standard property: message direction, <code>true</code> for
| * outbound messages, <code>false</code> for inbound.
| * <p>Type: boolean
| */
| public static final String MESSAGE_OUTBOUND_PROPERTY = "javax.xml.ws.handler.message.outbound";
|
| /**
| * Standard property: Map of attachments to a message for the inbound
| * message, key is the MIME Content-ID, value is a DataHandler.
| * <p>Type: java.util.Map<String,DataHandler>
| */
| public static final String INBOUND_MESSAGE_ATTACHMENTS = "javax.xml.ws.binding.attachments.inbound";
|
| /**
| * Standard property: Map of attachments to a message for the outbound
| * message, key is the MIME Content-ID, value is a DataHandler.
| * <p>Type: java.util.Map<String,DataHandler>
| */
| public static final String OUTBOUND_MESSAGE_ATTACHMENTS = "javax.xml.ws.binding.attachments.outbound";
|
|
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18 years, 2 months
[EJB 3.0] - Re: Can ejb3 be used with generics?
by jaikiran
As far as i know, the spec does not restrict this usecase. Which JBoss server do you use and which version of Java?
I tried a simple application with a similar usecase on JBoss-4.2.2 with Sun Java 1.5. Here's the example:
Interface:
package org.myapp.ejb;
|
| public interface GenericsEJBInjection <T> {
|
| public T echoMessage(T msg);
|
| }
|
Bean1 implementation:
| package org.myapp.ejb.impl;
|
| import javax.ejb.Remote;
| import javax.ejb.Stateless;
|
| import org.jboss.annotation.ejb.RemoteBinding;
| import org.myapp.ejb.GenericsEJBInjection;
|
| @Stateless
| @Remote ({GenericsEJBInjection.class})
| @RemoteBinding (jndiBinding = "GenericsEJBInjectionStringBean")
| public class GenericsEJBInjectionStringImpl implements GenericsEJBInjection <String> {
|
| public String echoMessage(String msg) {
| System.out.println("Echoing message...");
| return "Echo - " + msg;
| }
|
| }
|
Bean2 implementation:
| package org.myapp.ejb.impl;
|
| import javax.ejb.Remote;
| import javax.ejb.Stateless;
|
| import org.jboss.annotation.ejb.RemoteBinding;
| import org.myapp.ejb.GenericsEJBInjection;
|
| @Stateless
| @Remote ({GenericsEJBInjection.class})
| @RemoteBinding (jndiBinding = "GenericsEJBInjectionIntegerBean")
| public class GenericsEJBInjectionIntegerImpl implements GenericsEJBInjection <Integer> {
|
| public Integer echoMessage(Integer msg) {
| System.out.println("Echoing integer");
| return msg;
| }
|
|
| }
|
Finally, the bean in which these 2 beans are injected:
| /**
| * @author Jaikiran Pai
| * @since
| */
| @Stateless
| @Remote ({UserManager.class})
| @RemoteBinding (jndiBinding = "RemoteUserManagerBean")
| public class UserManagerBean implements UserManager {
|
| /**
| * Instance of logger
| */
| private static Logger logger = Logger.getLogger(UserManagerBean.class);
|
|
|
| @EJB
| private GenericsEJBInjection<String> genericsBean;
|
| @EJB
| private GenericsEJBInjection<Integer> anotherGenericsBean;
|
| /**
| *
| *
| */
| public UserManagerBean() {
| System.out.println("Default constructor of UserManagerBean " + this);
| }
|
|
| /**
| * Just a dummy method
| *
| * @see org.myapp.ejb.UserManager#getUser(long)
| */
| public User getUser(long id) {
|
| System.out.println("Generics EJB is = " + genericsBean);
| System.out.println("Generics EJB Echo = " + genericsBean.echoMessage("Hello gen ejb"));
|
| System.out.println("Another Generics EJB is = " + anotherGenericsBean);
| System.out.println("Generics Integer EJB Echo = " + anotherGenericsBean.echoMessage(2));
|
| return null;
| }
| }
This does not deploy and fails with exception:
| java.lang.RuntimeException: could not resolve global JNDI name for @EJB for container UserManagerBean: reference class: org.myapp.ejb.GenericsEJBInjection ejbLink: duplicated in myapp_ejb3.jar
| at org.jboss.injection.EjbEncInjector.inject(EjbEncInjector.java:88)
| at org.jboss.ejb3.EJBContainer.start(EJBContainer.java:566)
| at org.jboss.ejb3.SessionContainer.start(SessionContainer.java:154)
| at org.jboss.ejb3.stateless.StatelessContainer.start(StatelessContainer.java:102)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.ejb3.ServiceDelegateWrapper.startService(ServiceDelegateWrapper.java:103)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
| at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
| at $Proxy0.start(Unknown Source)
| at org.jboss.system.ServiceController.start(ServiceController.java:417)
| at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy97.start(Unknown Source)
| at org.jboss.ejb3.JmxKernelAbstraction.install(JmxKernelAbstraction.java:120)
| at org.jboss.ejb3.Ejb3Deployment.registerEJBContainer(Ejb3Deployment.java:301)
| at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:362)
| at org.jboss.ejb3.Ejb3Module.startService(Ejb3Module.java:91)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
| at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
| at $Proxy0.start(Unknown Source)
| at org.jboss.system.ServiceController.start(ServiceController.java:417)
| at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy33.start(Unknown Source)
| at org.jboss.ejb3.EJB3Deployer.start(EJB3Deployer.java:512)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.wsf.container.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:87)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy34.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy9.deploy(Unknown Source)
However, the application deploys if i inject just one (instead of those 2 EJBs).
Furthermore, there's a workaround to get this going (if you are stuck on this). The @EJB also accepts optional attributes like beanName or mappedName.
What you could do is, inject the beans as follows:
| @EJB (mappedName="GenericsEJBInjectionStringBean")
| private GenericsEJBInjection<String> genericsBean;
|
| @EJB (mappedName="GenericsEJBInjectionIntegerBean")
| private GenericsEJBInjection<Integer> anotherGenericsBean;
or maybe like this:
| @EJB (beanName="GenericsEJBInjectionStringImpl")
| private GenericsEJBInjection<String> genericsBean;
|
| @EJB (beanName="GenericsEJBInjectionIntegerImpl")
| private GenericsEJBInjection<Integer> anotherGenericsBean;
I tried these workaround and they work fine. The bean gets deployed and i am able to invoke the methods.
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18 years, 2 months