grails webservices, возвращающий объект Список

Question

Я пытаюсь открыть веб-сервис через grails & cxf grails plugin.

это скелет WebService:

class IssueService { 

    static expose=['cxf'] 

    def List issueList(){ 
     def list = Issue.list() 

     return list 
    } 

    def Issue singleIssue(id){ 
     def currentIssue = Issue.findById(id) 
     return currentIssue 
    } 


} 

метод "singleIssue" работает правильно, но метод "issueList" бросает исключение JAXB Маршалловых

org.apache.cxf.interceptor.Fault: Marshalling Error: java.util.ArrayList is not known to this context 
    at org.apache.cxf.jaxb.JAXBEncoderDecoder.marshall(JAXBEncoderDecoder.java:159) 
    at org.apache.cxf.jaxb.io.DataWriterImpl.write(DataWriterImpl.java:169) 
    at org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor.writeParts(AbstractOutDatabindingInterceptor.java:105) 
    at org.apache.cxf.interceptor.BareOutInterceptor.handleMessage(BareOutInterceptor.java:68) 
    at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236) 
    at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:74) 
    at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236) 
    at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:104) 
    at org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java:99) 
    at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:452) 
    at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:159) 
    at org.apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFServlet.java:220) 
    at org.apache.cxf.transport.servlet.AbstractCXFServlet.doGet(AbstractCXFServlet.java:158) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) 
    at org.apache.cxf.transport.servlet.AbstractCXFServlet.service(AbstractCXFServlet.java:211) 
    at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1124) 
    at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.processFilterChain(UrlMappingsFilter.java:263) 
    at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.doFilterInternal(UrlMappingsFilter.java:205) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115) 
    at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.obtainContent(GrailsPageFilter.java:221) 
    at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.doFilter(GrailsPageFilter.java:126) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115) 
    at org.codehaus.groovy.grails.web.servlet.filter.GrailsReloadServletFilter.doFilterInternal(GrailsReloadServletFilter.java:101) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115) 
    at org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:65) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115) 
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) 
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236) 
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115) 
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:361) 
    at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) 
    at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) 
    at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) 
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417) 
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) 
    at org.mortbay.jetty.Server.handle(Server.java:324) 
    at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534) 
    at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864) 
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:533) 
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:207) 
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:403) 
    at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) 
    at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:522) 
Caused by: javax.xml.bind.MarshalException 
- with linked exception: 
[javax.xml.bind.JAXBException: java.util.ArrayList is not known to this context] 
    at com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:318) 
    at com.sun.xml.bind.v2.runtime.MarshallerImpl.marshal(MarshallerImpl.java:244) 
    at javax.xml.bind.helpers.AbstractMarshallerImpl.marshal(AbstractMarshallerImpl.java:75) 
    at org.apache.cxf.jaxb.JAXBEncoderDecoder.writeObject(JAXBEncoderDecoder.java:444) 
    at org.apache.cxf.jaxb.JAXBEncoderDecoder.marshall(JAXBEncoderDecoder.java:138) 
    ... 48 more 
Caused by: javax.xml.bind.JAXBException: java.util.ArrayList is not known to this context 
    at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:246) 
    at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:261) 
    at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl$1.serializeBody(ElementBeanInfoImpl.java:144) 
    at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl$1.serializeBody(ElementBeanInfoImpl.java:189) 
    at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl.serializeBody(ElementBeanInfoImpl.java:315) 
    at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl.serializeRoot(ElementBeanInfoImpl.java:322) 
    at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl.serializeRoot(ElementBeanInfoImpl.java:72) 
    at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsRoot(XMLSerializer.java:494) 
    at com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:315) 
    ... 52 more 
Caused by: javax.xml.bind.JAXBException: java.util.ArrayList is not known to this context 
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getBeanInfo(JAXBContextImpl.java:621) 
    at com.sun.xml.bind.v2.runtime.ElementBeanInfoImpl$1.serializeBody(ElementBeanInfoImpl.java:141) 
    ... 58 more 

Похожие исключением является trown также, если я делаю метод возвратом массива объектов проблемы

, чтобы уточнить проблему:

package it.weservice.tools.bts 

class TestService { 

    static expose=['cxf'] 


    String[] testMethod(){ 
     def result = ["string1", "string2"] 

     return result as String[] 
    } 


} 

возвращает

org.apache.cxf.interceptor.Fault: Marshalling Error: [Ljava.lang.String; is not known to this context 

Answer 1

Я решил проблему с разоблачением явно WebService через

static expose=['cxfjax'] 

и аннотирования методы, которые я хочу выставить с аннотацией @WebMethod

Saluti