如何使用@WebServiceRef从Web模块注入EJB [英] How to inject EJB with @WebServiceRef from Web-module
问题描述
现在我想通过注入它(作为会话Bean)来访问WebService(JAX-WS)成为几个Managed Bean。
@Stateless
public class AnyService实现AnyServiceLocal {
@ WebServiceRef(wsdlLocation =META-INF / wsdl / AnyService / Any.wsdl)
private AnyService服务;
@Override
public String findLastname(Integer key){
任何port = service.getAnyPort();
AnyPerson sp = port.findAnynumber(key);
return sp.getLastname();
}
}
当我尝试访问它时:
@ManagedBean
@SessionScoped
public class UserBean {
@EJB
private AnyServiceLocal any;
public void findLastname(){
name = any.findLastname(Integer.valueOf(key));
}
}
我会得到这些例外
WARNUNG:在EJB AnyService方法调用期间发生系统异常public java.lang.String de.mizui.anytest.ejb.bean.AnyService。 findLastname(java.lang.Integer)
javax.ejb.EJBException
在com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5193)
在com.sun.ejb .containers.BaseContainer.completeNewTx(BaseContainer.java:5091)
在com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4879)
在com.sun.ejb.containers.BaseContainer .postInvoke(BaseContainer.java:2039)
在com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1990)
在com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler .java:213)
在com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate.invoke(EJBObjectInvocationHandlerDelegate。 java:79)
at $ Proxy430.findLastname(未知源)
..blabla ..
导致:javax.xml.ws.soap.SOAPFaultException:java.lang.NullPointerException
at com.sun.xml.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:193)
在com.sun.xml.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:134)
at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:123)
在com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java: 93)
at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:144)
at $ Proxy431.findEmployeenumber(Unknown Source)
at de.mizui .anytest.ejb.bean.AnyService.findLastname(AnyService.java:25)
..blabla ..
导致:javax.xml.ws.WebServiceException:java.lang.NullPointerException
在com.sun.enterprise.security.jmac.provider.config.PipeHelper.makeFaultResponse(PipeHelper.java:321)
.. blabla ..
导致:java.lang.NullPointerException
在com.sun.xml.ws.tx.coordinator.CoordinationManager.lookupOrCreateCoordinator(CoordinationManager.java:175)
(稍微缩短。 。)
但是当我直接从UserBean中访问WS时,它的工作原理是
期待您的想法:)
* yay我的第一篇文章^^
我有解决方案!
与Web服务的事务必须是原子的,如依赖注入。但是它尝试将请求嵌套到注入交易(hihi这个韵律)中,所以它不再是原子了。
您可以绕过具体方法的注释:
@Stateless
@LocalBean
public class AnyServices {
@WebServiceRef(wsdlLocation =META-INF / wsdl / AnyService / Any.wsdl)
private AnyService服务;
@TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
public String findLastname(Integer key){
任何port = service.getAnyPort();
AnyPerson sp = port.findAnynumber(key);
return sp.getLastname();
}
}
< 3
I have a JEE6 application, with an ejb and a web-module, running on a GlassFish 3.1.1 Now I wanted to access a WebService (JAX-WS) by injecting it (as a Session Bean) into several Managed Beans.
@Stateless
public class AnyService implements AnyServiceLocal {
@WebServiceRef(wsdlLocation = "META-INF/wsdl/AnyService/Any.wsdl")
private AnyService service;
@Override
public String findLastname(Integer key) {
Any port = service.getAnyPort();
AnyPerson sp = port.findAnynumber(key);
return sp.getLastname();
}
}
When I try to access it:
@ManagedBean
@SessionScoped
public class UserBean {
@EJB
private AnyServiceLocal any;
public void findLastname() {
name = any.findLastname(Integer.valueOf(key));
}
}
I'll get these Exceptions
WARNUNG: A system exception occurred during an invocation on EJB AnyService method public java.lang.String de.mizui.anytest.ejb.bean.AnyService.findLastname(java.lang.Integer)
javax.ejb.EJBException
at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5193)
at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5091)
at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4879)
at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2039)
at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1990)
at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:213)
at com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate.invoke(EJBObjectInvocationHandlerDelegate.java:79)
at $Proxy430.findLastname(Unknown Source)
..blabla..
Caused by: javax.xml.ws.soap.SOAPFaultException: java.lang.NullPointerException
at com.sun.xml.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:193)
at com.sun.xml.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:134)
at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:123)
at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:93)
at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:144)
at $Proxy431.findEmployeenumber(Unknown Source)
at de.mizui.anytest.ejb.bean.AnyService.findLastname(AnyService.java:25)
..blabla..
Caused by: javax.xml.ws.WebServiceException: java.lang.NullPointerException
at com.sun.enterprise.security.jmac.provider.config.PipeHelper.makeFaultResponse(PipeHelper.java:321)
..blabla..
Caused by: java.lang.NullPointerException
at com.sun.xml.ws.tx.coordinator.CoordinationManager.lookupOrCreateCoordinator(CoordinationManager.java:175)
(somewhat shortened..)
But when I access the WS directly from within the UserBean, it works.. Looking forward to your ideas :)
*yay my first post^^
I've got the solution! Transactions with Webservices have to be atomic, like dependency injection. But it tries to nest the request into the injection-transaction (hihi this rhymes), so it's not atomic anymore. You can bypass that for the specific method, with an annotation:
@Stateless
@LocalBean
public class AnyServices{
@WebServiceRef(wsdlLocation = "META-INF/wsdl/AnyService/Any.wsdl")
private AnyService service;
@TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
public String findLastname(Integer key) {
Any port = service.getAnyPort();
AnyPerson sp = port.findAnynumber(key);
return sp.getLastname();
}
}
<3
这篇关于如何使用@WebServiceRef从Web模块注入EJB的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!