rest服务第一次调用时java.lang.ClassNotFoundException

rest服务第一次调用时java.lang.ClassNotFoundException,java,json,jboss,jersey,Java,Json,Jboss,Jersey,您好,我正在尝试使用开发JBoss6.3的rest应用程序 我有一个非常奇怪的问题:当我第一次通过Fiddler访问我的rest服务时,我得到以下异常: 15:49:18,053 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/OASExtention-war].[javax.ws.rs.core.Application]] (http-localhost/127.0.0.1:8080-2) J

您好,我正在尝试使用开发JBoss6.3的rest应用程序

我有一个非常奇怪的问题:当我第一次通过Fiddler访问我的rest服务时,我得到以下异常:

15:49:18,053 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/OASExtention-war].[javax.ws.rs.core.Application]] (http-localhost/127.0.0.1:8080-2) JBWEB000236: Servlet.service() for servlet javax.ws.rs.core.Application threw exception: java.lang.ClassNotFoundException: org.codehaus.jackson.xc.JaxbAnnotationIntrospector from [Module "deployment.OASExtention-war.war:main" from Service Module Loader]
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.3.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.3.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.3.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.3.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.3.Final-redhat-1]
    at org.codehaus.jackson.jaxrs.MapperConfigurator._resolveIntrospector(MapperConfigurator.java:169) [jackson-jaxrs-1.7.1.jar:1.7.1]
    at org.codehaus.jackson.jaxrs.MapperConfigurator._resolveIntrospectors(MapperConfigurator.java:144) [jackson-jaxrs-1.7.1.jar:1.7.1]
    at org.codehaus.jackson.jaxrs.MapperConfigurator._setAnnotations(MapperConfigurator.java:131) [jackson-jaxrs-1.7.1.jar:1.7.1]
    at org.codehaus.jackson.jaxrs.MapperConfigurator.getDefaultMapper(MapperConfigurator.java:70) [jackson-jaxrs-1.7.1.jar:1.7.1]
    at org.codehaus.jackson.jaxrs.JacksonJsonProvider.locateMapper(JacksonJsonProvider.java:609) [jackson-jaxrs-1.7.1.jar:1.7.1]
    at org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom(JacksonJsonProvider.java:404) [jackson-jaxrs-1.7.1.jar:1.7.1]
    at org.jboss.resteasy.core.interception.MessageBodyReaderContextImpl.proceed(MessageBodyReaderContextImpl.java:106) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.plugins.interceptors.encoding.GZIPDecodingInterceptor.read(GZIPDecodingInterceptor.java:63) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.interception.MessageBodyReaderContextImpl.proceed(MessageBodyReaderContextImpl.java:109) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.MessageBodyParameterInjector.inject(MessageBodyParameterInjector.java:169) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.MethodInjectorImpl.injectArguments(MethodInjectorImpl.java:136) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:159) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:269) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:227) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:216) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.8.Final-redhat-3.jar:]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
    at java.lang.Thread.run(Unknown Source) [rt.jar:1.8.0_73]
服务器返回状态代码500。请注意,这发生在第一次调用服务时。第二次呼叫时rest服务按预期工作

我的函数如下所示

@POST
@Path("matterNote")
@Consumes("application/json") 
@Produces("application/json")
public String matterNoteFunction(JSONObject json) throws IOException{ return "bla"; }
我真的很困惑,等待任何建议

编辑:

我尝试添加,但遇到以下异常(第一次调用服务时):


谢谢。

我认为XC Jackson库是可选的,XC包允许您使用Xml注释(JAXB)除了映射类的Jackson注释,除非您需要JAXB支持,否则请忽略这个问题。

我通过以下方式解决了这个问题:在我的应用程序中,我使用的是json-lib.jar,它需要在类路径中显示其他依赖项才能正常工作。我删除了旧的依赖项,然后添加了以下依赖项:

问题消失了。

我(使用Spring)遇到了同样的问题:


org.apache.cxf
cxf rt rs扩展提供程序
3.0.2
org.codehaus.jackson
杰克逊·贾克斯
1.9.0
但当我通过映射器定义扩展beans.xml中的提供者定义时:

<jaxrs:providers>
        <bean class="org.codehaus.jackson.jaxrs.JacksonJsonProvider">
            <property name="mapper" ref="jacksonMapper" />
        </bean>
</jaxrs:providers>
<bean id="jacksonMapper" class="org.codehaus.jackson.map.ObjectMapper" />


它毫无例外地开始工作。

感谢您的回复,我解决了这个问题。我要把答案贴出来。
<dependency>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-rt-rs-extension-providers</artifactId>
        <version>3.0.2</version>
    </dependency>
    <dependency>
        <groupId>org.codehaus.jackson</groupId>
        <artifactId>jackson-jaxrs</artifactId>
        <version>1.9.0</version>
    </dependency>
<jaxrs:providers>
        <bean class="org.codehaus.jackson.jaxrs.JacksonJsonProvider">
            <property name="mapper" ref="jacksonMapper" />
        </bean>
</jaxrs:providers>
<bean id="jacksonMapper" class="org.codehaus.jackson.map.ObjectMapper" />