14

ビルドパスに Jackson 2.2.3 を入れましたが、それでもこのエラーが発生します。誰かが理由を知っていますか?

ここに画像の説明を入力

com.sun.jersey.core.spi.component.ProviderFactory __getComponentProvider: The provider class, class com.sun.jersey.json.impl.provider.entity.JSONWithPaddingProvider, could not be instantiated. Processing will continue but the class will not be utilized
java.lang.SecurityException: Unable to get members for class com.sun.jersey.json.impl.provider.entity.JSONWithPaddingProvider
    at com.google.appengine.runtime.Request.process-244548b7ddf4520b(Request.java)
    at java.lang.Class.getDeclaredMethods(Class.java:256)
    at com.sun.jersey.core.reflection.MethodList.getAllDeclaredMethods(MethodList.java:70)
    at com.sun.jersey.core.reflection.MethodList.<init>(MethodList.java:64)
    at com.sun.jersey.core.spi.component.ComponentConstructor.getPostConstructMethods(ComponentConstructor.java:131)
    at com.sun.jersey.core.spi.component.ComponentConstructor.<init>(ComponentConstructor.java:123)
    at com.sun.jersey.core.spi.component.ProviderFactory.__getComponentProvider(ProviderFactory.java:165)
    at com.sun.jersey.core.spi.component.ProviderFactory.getComponentProvider(ProviderFactory.java:137)
    at com.sun.jersey.core.spi.component.ProviderServices.getComponent(ProviderServices.java:256)
    at com.sun.jersey.core.spi.component.ProviderServices.getServices(ProviderServices.java:160)
    at com.sun.jersey.core.spi.factory.MessageBodyFactory.initWriters(MessageBodyFactory.java:207)
    at com.sun.jersey.core.spi.factory.MessageBodyFactory.init(MessageBodyFactory.java:163)
    at com.sun.jersey.server.impl.application.WebApplicationImpl._initiate(WebApplicationImpl.java:1277)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.access$700(WebApplicationImpl.java:169)
    at com.sun.jersey.server.impl.application.WebApplicationImpl$13.f(WebApplicationImpl.java:775)
    at com.sun.jersey.server.impl.application.WebApplicationImpl$13.f(WebApplicationImpl.java:771)
    at com.sun.jersey.spi.inject.Errors.processWithErrors(Errors.java:193)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:771)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:766)
    at com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:488)
    at com.sun.jersey.spi.container.servlet.ServletContainer$InternalWebComponent.initiate(ServletContainer.java:318)
    at com.sun.jersey.spi.container.servlet.WebComponent.load(WebComponent.java:609)
    at com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:210)
    at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:373)
    at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:556)
    at javax.servlet.GenericServlet.init(GenericServlet.java:212)
    at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:440)
    at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:263)
    at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
    at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
    at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
    at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
    at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
    at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:435)
    at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:442)
    at com.google.tracing.CurrentContext.runInContext(CurrentContext.java:186)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:306)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:298)
    at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:439)
    at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    ... 41 more
Caused by: java.lang.NoClassDefFoundError: org/codehaus/jackson/map/JsonSerializableWithType
    at com.google.appengine.runtime.Request.process-244548b7ddf4520b(Request.java)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:794)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
    at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
    ... 43 more
Caused by: java.lang.ClassNotFoundException: org.codehaus.jackson.map.JsonSerializableWithType
    at com.google.appengine.runtime.Request.process-244548b7ddf4520b(Request.java)
    ... 41 more
4

3 に答える 3

27

例外は、他のライブラリまたはフレームワークが Jackson 1.x を使用しており、1.x jar が必要であることを示しています。com.fasterxml.jacksonクラスがパッケージに含まれているJackson 2.xを使用しています。ただし、例外として、のものorg.codehaus.jacksonが必要です。

于 2013-09-25T17:35:32.810 に答える
18

jackson-mapper-aslクラスパスに追加する必要があります。

ここで見つけることができます

于 2013-09-25T10:04:41.400 に答える