我正在尝试使用RESTeasy连接到Web服务 .
我使用的代码是这样的:
WebTarget resource = client.target(URL_DISPLAY);
Builder request = resource.request(MediaType.APPLICATION_XML);
long startTime = System.currentTimeMillis();
ClientResponse response = (ClientResponse)request.post(Entity.xml(text));
我在Eclipse中运行它时,程序正在运行 .
当我生成一个可运行的jar,甚至从控制台运行java时它不起作用 . 堆栈跟踪如下:
javax.ws.rs.ProcessingException: Unable to invoke request
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.invoke(ApacheHttpClient4Engine.java:287)
at org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.invoke(ClientInvocation.java:407)
at org.jboss.resteasy.client.jaxrs.internal.ClientInvocationBuilder.post(ClientInvocationBuilder.java:195)
at webservices.WebServicesTest.requestDisplay(WebServicesTest.java:144)
at webservices.WebServicesTest.main(WebServicesTest.java:328)
Caused by: javax.ws.rs.ProcessingException: could not find writer for content-type application/xml type: webservices.DisplayText
at org.jboss.resteasy.core.interception.ClientWriterInterceptorContext.throwWriterNotFoundException(ClientWriterInterceptorContext.java:40)
at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.getWriter(AbstractWriterInterceptorContext.java:138)
at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:117)
at org.jboss.resteasy.plugins.interceptors.encoding.GZIPEncodingInterceptor.aroundWriteTo(GZIPEncodingInterceptor.java:100)
at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:122)
at org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.writeRequestBody(ClientInvocation.java:341)
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.writeRequestBodyToOutputStream(ApacheHttpClient4Engine.java:558)
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.buildEntity(ApacheHttpClient4Engine.java:524)
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.loadHttpMethod(ApacheHttpClient4Engine.java:423)
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.invoke(ApacheHttpClient4Engine.java:281)
... 4 more
DisplayText类定义如下:
@XmlRootElement
public class DisplayText implements Serializable
我在我的pom中添加了以下包:
-
resteasy-client
-
resteasy-jaxrs
-
resteasy-jaxb-provider(版本3.0.8.Final)
-
com.sun.xml.bind
所有这些都在运行时范围内 .
我觉得奇怪的是它在日食下工作 . 它可能是一些Jaxb配置?或上下文设置 . 我也试过了
RegisterBuiltin.register(ResteasyProviderFactory.getInstance());
它不起作用 .
1 回答
我用maven阴影来构建它解决了这个问题 .
这里最重要的一行是:
shade插件配置需要the service transformer,它合并the service discovery mechanism使用的META-INF / services文件 .