CXF NoSuchMethodError ClassHelper.getRealClass

Question

简单的项目，下面是我的 gradle 依赖。这是我声明的唯一 CXF 依赖项。我的 gradle 依赖关系也是由于声明的依赖关系而实现的。当我运行我的代码时，我得到下面的异常。我想不通。

救命！

compile(group: 'org.apache.cxf', name: 'cxf-rt-frontend-jaxrs', version:'2.7.17')

+--- org.apache.cxf:cxf-rt-frontend-jaxrs:2.7.17
|    +--- org.apache.cxf:cxf-api:2.7.17
|    |    +--- org.codehaus.woodstox:woodstox-core-asl:4.4.1 (*)
|    |    +--- org.apache.ws.xmlschema:xmlschema-core:2.1.0 -> 2.2.1
|    |    +--- org.apache.geronimo.specs:geronimo-javamail_1.4_spec:1.7.1
|    |    \--- wsdl4j:wsdl4j:1.6.3
|    +--- org.apache.cxf:cxf-rt-core:2.7.17
|    |    +--- org.apache.cxf:cxf-api:2.7.17 (*)
|    |    +--- com.sun.xml.bind:jaxb-impl:2.1.13 -> 2.2.11
|    |    \--- org.apache.ws.xmlschema:xmlschema-core:2.1.0 -> 2.2.1
|    +--- javax.ws.rs:javax.ws.rs-api:2.0-m10
|    +--- org.apache.cxf:cxf-rt-bindings-xml:2.7.17
|    |    \--- org.apache.cxf:cxf-api:2.7.17 (*)
|    \--- org.apache.cxf:cxf-rt-transports-http:2.7.17
|         +--- org.apache.cxf:cxf-api:2.7.17 (*)
|         \--- org.apache.cxf:cxf-rt-core:2.7.17 (*)

java.lang.NoSuchMethodError: org.apache.cxf.common.util.ClassHelper.getRealClass(Lorg/apache/cxf/Bus;Ljava/lang/Object;)Ljava/lang/Class;
at org.apache.cxf.jaxrs.provider.ProviderFactory.setCommonProviders(ProviderFactory.java:499)
at org.apache.cxf.jaxrs.client.ClientProviderFactory.setProviders(ClientProviderFactory.java:85)
at org.apache.cxf.jaxrs.provider.ProviderFactory.initBaseFactory(ProviderFactory.java:137)
at org.apache.cxf.jaxrs.client.ClientProviderFactory.initBaseFactory(ClientProviderFactory.java:77)
at org.apache.cxf.jaxrs.client.ClientProviderFactory.createInstance(ClientProviderFactory.java:56)
at org.apache.cxf.jaxrs.client.JAXRSClientFactoryBean.initClient(JAXRSClientFactoryBean.java:377)
at org.apache.cxf.jaxrs.client.JAXRSClientFactoryBean.createWebClient(JAXRSClientFactoryBean.java:225)
at org.apache.cxf.jaxrs.client.WebClient.create(WebClient.java:113)

Answer 1

java.lang.NoSuchMethodError 通常是在您使用新的 API jar 但实现仍然是没有实现新方法的旧版本时。我建议您检查罐子的版本，看看是否准确。如果您修复版本，则不会看到此错误。