我使用的是RHEL 6.5，java 1.7.0_45。请帮帮我！
2014-09-19 17:34:01.707::WARN: Failed startup of context org.mortbay.jetty.webapp.WebAppContext@18329bfc{/,/opt/cisco/jetty/webapps/shindig-server-1.1-SNAPSHOT.war}
com.google.inject.ProvisionException: Error while locating instance
bound to org.apache.shindig.social.sample.spi.JsonDbOpensocialService
for member at org.apache.shindig.social.sample.oauth.SampleRealm.jsonDbService(SampleRealm.java:43)
at com.google.inject.InjectorImpl$SingleFieldInjector.inject(InjectorImpl.java:486)
at com.google.inject.BinderImpl$StaticInjection$2.call(BinderImpl.java:463)
at com.google.inject.BinderImpl$StaticInjection$2.call(BinderImpl.java:461)
at com.google.inject.InjectorImpl.callInContext(InjectorImpl.java:747)
at com.google.inject.BinderImpl$StaticInjection.runMemberInjectors(BinderImpl.java:460)
at com.google.inject.BinderImpl.createInjector(BinderImpl.java:285)
at com.google.inject.Guice.createInjector(Guice.java:79)
at org.apache.shindig.common.servlet.GuiceServletContextListener.contextInitialized(GuiceServletContextListener.java:65)
at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:136)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1239)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:466)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:222)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:985)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.mortbay.start.Main.invokeMain(Main.java:194)
at org.mortbay.start.Main.start(Main.java:523)
at org.mortbay.start.Main.main(Main.java:119)
Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.google.inject.ConstructorInjector.construct(ConstructorInjector.java:161)
at com.google.inject.InjectorImpl$ImplicitBinding.get(InjectorImpl.java:1006)
at com.google.inject.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:37)
at com.google.inject.InjectorImpl.callInContext(InjectorImpl.java:756)
at com.google.inject.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:35)
at com.google.inject.Scopes$1$1.get(Scopes.java:53)
at com.google.inject.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at com.google.inject.InjectorImpl$SingleFieldInjector.inject(InjectorImpl.java:473)
... 29 more
Caused by: java.lang.reflect.InvocationTargetException
at org.apache.shindig.social.sample.spi.JsonDbOpensocialService$$FastClassByGuice$$114b7d7.newInstance(<generated>)
at com.google.inject.cglib.reflect.FastConstructor.newInstance(FastConstructor.java:40)
at com.google.inject.DefaultConstructionProxyFactory$2.newInstance(DefaultConstructionProxyFactory.java:67)
at com.google.inject.ConstructorInjector.construct(ConstructorInjector.java:142)
... 36 more
Caused by: org.json.JSONException: A JSONObject text must begin with '{' at character 2
at org.json.JSONTokener.syntaxError(JSONTokener.java:413)
at org.json.JSONObject.<init>(JSONObject.java:180)
at org.json.JSONObject.<init>(JSONObject.java:420)
at org.apache.shindig.social.sample.spi.JsonDbOpensocialService.<init>(JsonDbOpensocialService.java:128)
... 40 more