小贝子编程

JAX-WS WebMethod中的解组错误为Null



我是Java EE和WebServices的新手，在一些教程的帮助下实现了基本的一个。当只有getMovie、getMovieList函数时，一切都很好，但后来我尝试了添加addMovie函数，突然它开始出现错误，你能帮助解决这个问题吗。提前谢谢。

Movie.java

public class Movie implements Serializable {
private long movieId;
private String movieName;
private int yearMovieRelease;
...
...Getters and Setters...
}

MovieData.java

@Singleton 
@LocalBean
@Startup 
public class MovieData {

private List<Movie> movies;

@PostConstruct
public void initial(){
movies = new ArrayList<Movie>();

movies.add(new Movie(1,"Movie1",2015));
movies.add(new Movie(2,"Movie2",2016));
movies.add(new Movie(3,"Movie3",2017));
movies.add(new Movie(4,"Movie4",2018));
movies.add(new Movie(5,"Movie5",2019));

}

public Movie getMovie(int movieId){
Movie findMovie=null;

for(Movie movie : movies){
if(movie.getMovieId()==movieId){
findMovie=movie;
break;
}
}

return findMovie;
}

public String addMovie(Movie movie){
movies.add(movie);
return "Movie added Successfully";
}

public List<Movie> getMovieList(){
return movies;
}
}

MovieServiceJAXWS.java

@Stateless
@LocalBean 
@WebService(serviceName = "MovieServiceJAXWS")
public class MovieServiceJAXWS { 

@EJB MovieData movieData;

@WebMethod
public Movie getMovie(@WebParam(name="movieId") int movieId){
return movieData.getMovie(movieId);
}

@WebMethod
public List<Movie> getMovieList(){
return movieData.getMovieList();
}

@WebMethod
public String addMovie(Movie movie){                
return movieData.addMovie(movie);
}
}

服务器堆栈跟踪

18:36:18,063 WARNING [org.apache.cxf.phase.PhaseInterceptorChain] (default task-1) Interceptor for {http://soapj8test.tanmshar.com/}MovieServiceJAXWS#{http://soapj8test.tanmshar.com/}addMovie has thrown exception, unwinding now: org.apache.cxf.interceptor.Fault: Unmarshalling Error: null 
at org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:932)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:738)
at org.apache.cxf.jaxb.io.DataReaderImpl.read(DataReaderImpl.java:170)
at org.apache.cxf.wsdl.interceptors.DocLiteralInInterceptor.handleMessage(DocLiteralInInterceptor.java:109)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267)
at org.jboss.wsf.stack.cxf.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:110)
at org.jboss.wsf.stack.cxf.transport.ServletHelper.callRequestHandler(ServletHelper.java:134)
at org.jboss.wsf.stack.cxf.CXFServletExt.invoke(CXFServletExt.java:88)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:301)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:220)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:523)
at org.jboss.wsf.stack.cxf.CXFServletExt.service(CXFServletExt.java:136)
at org.jboss.wsf.spi.deployment.WSFServlet.service(WSFServlet.java:140)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
at io.opentracing.contrib.jaxrs2.server.SpanFinishingFilter.doFilter(SpanFinishingFilter.java:52)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132)
at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
at java.lang.Thread.run(Thread.java:748)
Caused by: javax.xml.bind.UnmarshalException
- with linked exception:
[com.sun.istack.SAXParseException2; lineNumber: 6; columnNumber: 10]
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleStreamException(UnmarshallerImpl.java:483)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:417)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:394)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.doUnmarshal(JAXBEncoderDecoder.java:881)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.access$200(JAXBEncoderDecoder.java:103)
at org.apache.cxf.jaxb.JAXBEncoderDecoder$3.run(JAXBEncoderDecoder.java:920)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:918)
... 63 more
Caused by: com.sun.istack.SAXParseException2; lineNumber: 6; columnNumber: 10
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:744)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleError(UnmarshallingContext.java:771)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$Factory.createInstance(UnmarshallingContext.java:415)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.createInstance(UnmarshallingContext.java:699)
at com.sun.xml.bind.v2.runtime.unmarshaller.StructureLoader.startElement(StructureLoader.java:188)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:577)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:556)
at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:246)
at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:180)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:415)
... 69 more
Caused by: javax.xml.bind.UnmarshalException
- with linked exception:
[java.lang.reflect.InvocationTargetException]
... 79 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$Factory.createInstance(UnmarshallingContext.java:411)
... 76 more
Caused by: java.lang.NoSuchMethodError: com.tanmshar.soapj8test.Movie.<init>(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)V
at com.tanmshar.soapj8test.MovieFactory.createMovie(MovieFactory.java)
... 81 more

soap请求xml

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://soapj8test.tanmshar.com/">
<soapenv:Header/>
<soapenv:Body>
<soap:addMovie>
<!--Optional:-->
<arg0>
<movieId>6</movieId>
<!--Optional:-->
<movieName>Movie6</movieName>
<yearMovierelease>2020</yearMovierelease>
</arg0>
</soap:addMovie>
</soapenv:Body>
</soapenv:Envelope>

soap请求输出

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<soap:Fault>
<faultcode>soap:Client</faultcode>
<faultstring>Unmarshalling Error: null</faultstring>
</soap:Fault>
</soap:Body>
</soap:Envelope>

我在Movie.java 中做了以下更改

#1

@XmlRootElement(name = "movie")

#2

默认构造函数无参数

public Movie(){
}

然后它开始工作。。。

皂液输出

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<ns2:addMovieResponse xmlns:ns2="http://soapj8test.tanmshar.com/">
<return>Movie added Successfully</return>
</ns2:addMovieResponse>
</soap:Body>
</soap:Envelope>

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