我正在使用Jboss 5.0.1，jdk 1.6.0 update 31并将EJB实现为Web服务，我的Web服务模块中的方法在我的示例BenefitLevel数组对象中返回一个JavaBean对象Array。在JBoss中执行时会引发以下异常：
08:57:08,552 ERROR [ServiceProxy] Service error
javax.xml.rpc.ServiceException: Cannot create proxy
at org.jboss.ws.core.jaxrpc.client.ServiceImpl.getPort(ServiceImpl.java:359)
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:597)
at org.jboss.ws.core.jaxrpc.client.ServiceProxy.invoke(ServiceProxy.java:127)
at $Proxy105.getCarrierWSSEIPort(Unknown Source)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:92)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.IllegalStateException: Cannot synchronize to any of these methods:
public abstract stubs.BenefitLevel[] stubs.CarrierWSSEI.getActiveBenData() throws java.rmi.RemoteException
OperationMetaData:
qname={urn:CarrierWS/wsdl}getActiveBenData
javaName=getActiveBenData
style=rpc/literal
oneWay=false
soapAction=
ReturnMetaData:
xmlName=result
partName=result
xmlType={urn:CarrierWS/types/arrays/com/test/cas/carrier/plan/info}BenefitLevelArray
javaType=com.benefitpartnersinc.cas.carrier.plan.info.BenefitLevel[]
mode=OUT
inHeader=false
index=-1
at org.jboss.ws.metadata.umdm.OperationMetaData.eagerInitialize(OperationMetaData.java:491)
at org.jboss.ws.metadata.umdm.EndpointMetaData.eagerInitializeOperations(EndpointMetaData.java:557)
at org.jboss.ws.metadata.umdm.EndpointMetaData.initializeInternal(EndpointMetaData.java:541)
at org.jboss.ws.metadata.umdm.EndpointMetaData.setServiceEndpointInterfaceName(EndpointMetaData.java:220)
at org.jboss.ws.core.jaxrpc.client.ServiceImpl.getPort(ServiceImpl.java:345)
... 33 more
08:57:08,567 ERROR [STDERR] javax.xml.rpc.ServiceException: Cannot create proxy
08:57:08,567 ERROR [STDERR] at org.jboss.ws.core.jaxrpc.client.ServiceImpl.getPort(ServiceImpl.java:359)
08:57:08,567 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
08:57:08,567 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
08:57:08,567 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
08:57:08,567 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:597)
08:57:08,567 ERROR [STDERR] at org.jboss.ws.core.jaxrpc.client.ServiceProxy.invoke(ServiceProxy.java:127)
08:57:08,567 ERROR [STDERR] at $Proxy105.getCarrierWSSEIPort(Unknown Source)
08:57:08,567 ERROR [STDERR] at org.apache.jsp.index_jsp._jspService(index_jsp.java:92)
08:57:08,567 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
08:57:08,567 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
08:57:08,567 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
08:57:08,567 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
08:57:08,567 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
08:57:08,567 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
08:57:08,567 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
08:57:08,567 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
08:57:08,567 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
08:57:08,567 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
08:57:08,567 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
08:57:08,567 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
08:57:08,567 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
08:57:08,567 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
08:57:08,567 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
08:57:08,567 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
08:57:08,567 ERROR [STDERR] at java.lang.Thread.run(Thread.java:662)
08:57:08,567 ERROR [STDERR] Caused by: java.lang.IllegalStateException: Cannot synchronize to any of these methods:
public abstract stubs.BenefitLevel[] stubs.CarrierWSSEI.getActiveBenData() throws java.rmi.RemoteException
OperationMetaData:
qname={urn:CarrierWS/wsdl}getActiveBenData
javaName=getActiveBenData
style=rpc/literal
oneWay=false
soapAction=
ReturnMetaData:
xmlName=result
partName=result
xmlType={urn:CarrierWS/types/arrays/com/test/cas/carrier/plan/info}BenefitLevelArray
javaType=com.test.cas.carrier.plan.info.BenefitLevel[]
mode=OUT
inHeader=false
index=-1
08:57:08,567 ERROR [STDERR] at org.jboss.ws.metadata.umdm.OperationMetaData.eagerInitialize(OperationMetaData.java:491)
08:57:08,567 ERROR [STDERR] at org.jboss.ws.metadata.umdm.EndpointMetaData.eagerInitializeOperations(EndpointMetaData.java:557)
08:57:08,567 ERROR [STDERR] at org.jboss.ws.metadata.umdm.EndpointMetaData.initializeInternal(EndpointMetaData.java:541)
08:57:08,567 ERROR [STDERR] at org.jboss.ws.metadata.umdm.EndpointMetaData.setServiceEndpointInterfaceName(EndpointMetaData.java:220)
08:57:08,567 ERROR [STDERR] at org.jboss.ws.core.jaxrpc.client.ServiceImpl.getPort(ServiceImpl.java:345)
08:57:08,567 ERROR [STDERR] ... 33 more
我的Web客户端代码如下：
<%@page import="java.util.Hashtable"%>
<%@page import="javax.naming.*,com.q4.*,javax.xml.rpc.Stub,stubs.CarrierWS,stubs.CarrierWSSEI,stubs.CarrierWSSEI_Impl"%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<h1>Hello World!</h1>
<%
try
{
InitialContext ic = new InitialContext( );
CarrierWS carrierws = (CarrierWS)ic.lookup("java:comp/env/service/CarrierWS");
out.println("========================" + carrierws);
CarrierWSSEI sei = carrierws.getCarrierWSSEIPort();
out.println("Invoking the service please wait ............." + carrierws.getCarrierWSSEIPort());
((Stub)sei)._setProperty(Stub.ENDPOINT_ADDRESS_PROPERTY,"http://localhost:8080/TestWS3WAR/CarrierWS");
out.println("Invoking the service please wait ............." + sei.getActiveBenData().length);
}
catch(Exception e)
{
out.println("Exception occurred : " + e.getMessage());
e.printStackTrace();
}
%>
</body>
</html>
请在我出错的地方帮助我。
答案 0 :(得分：0)
至少在Jboss 5.0.1 GA中，用户定义的数据类型不能在Web服务中返回。
用户定义的数据类型必须转换为String或String数组，反之亦然。