当我将Cometd插件添加到Grails 1.2.1时，grail的“jetty”调试环境将不再启动。
我无法对此进行调试，对底层组件不够熟悉。 （这一般是Grails开发的一个大问题。虽然它试图隐藏你的一切，但很快你就必须成为Hibernate，Java 1.6，jetty等的专家，以便调试grails问题）
要重现，请启动grails 1.2.1项目，然后安装cometd-grails插件。当你做一个run-app时，你会看到：
Running Grails application..
2010-03-20 18:32:28,879 [main] ERROR context.ContextLoader - Context initialization failed
org.springframework.beans.factory.access.BootstrapException: Error executing bootstraps; nested exception is org.codehaus.groovy.runtime.InvokerInvocationException: java.lang.NoClassDefFoundError: org/mortbay/util/ajax/JSON$Source
at org.codehaus.groovy.grails.web.context.GrailsContextLoader.createWebApplicationContext(GrailsContextLoader.java:74)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:192)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3961)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4456)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:515)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:708)
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:286)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:229)
at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:121)
at org.grails.tomcat.TomcatServer.start(TomcatServer.groovy:135)
at grails.web.container.EmbeddableServer$start.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:129)
at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy:158)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:225)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.Closure.call(Closure.java:279)
at groovy.lang.Closure.call(Closure.java:274)
at groovy.lang.Closure$call.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
at groovy.lang.Closure$call.call(Unknown Source)
at _GrailsSettings_groovy$_run_closure10.doCall(_GrailsSettings_groovy:287)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:56)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:155)
at _GrailsSettings_groovy$_run_closure10.call(_GrailsSettings_groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1095)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1051)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:706)
at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
at groovy.lang.Script.invokeMethod(Script.java:78)
at groovy.lang.MetaClassImpl.invokeMethodOnGroovyObject(MetaClassImpl.java:1114)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1011)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:155)
at _GrailsRun_groovy$_run_closure5.doCall(_GrailsRun_groovy:149)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at _GrailsRun_groovy$_run_closure5.call(_GrailsRun_groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1095)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1051)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at _GrailsRun_groovy.runInline(_GrailsRun_groovy:115)
at _GrailsRun_groovy.this$4$runInline(_GrailsRun_groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:997)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:163)
at _GrailsRun_groovy$_run_closure1.doCall(_GrailsRun_groovy:59)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
at groovy.lang.Closure.call(Closure.java:279)
at groovy.lang.Closure.call(Closure.java:292)
at sun.reflect.GeneratedMethodAccessor63.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:39)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:54)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8_closure9.doCall(GantBinding.groovy:152)
at sun.reflect.GeneratedMethodAccessor77.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8_closure9.doCall(GantBinding.groovy)
at sun.reflect.GeneratedMethodAccessor76.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.Closure.call(Closure.java:279)
at groovy.lang.Closure.call(Closure.java:274)
at groovy.lang.Closure$call.call(Unknown Source)
at org.codehaus.gant.GantBinding.withTargetEvent(GantBinding.groovy:90)
at org.codehaus.gant.GantBinding.this$4$withTargetEvent(GantBinding.groovy)
at sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:997)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:706)
at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
at groovy.lang.MetaClassImpl.invokeMethodOnGroovyObject(MetaClassImpl.java:1114)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1011)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:159)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8.doCall(GantBinding.groovy:152)
at sun.reflect.GeneratedMethodAccessor69.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8.doCall(GantBinding.groovy)
at sun.reflect.GeneratedMethodAccessor68.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.Closure.call(Closure.java:279)
at groovy.lang.Closure.call(Closure.java:274)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1095)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1051)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:706)
at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
at groovy.lang.Script.invokeMethod(Script.java:78)
at groovy.lang.MetaClassImpl.invokeMethodOnGroovyObject(MetaClassImpl.java:1114)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1011)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:147)
at RunApp$_run_closure1.doCall(RunApp.groovy:33)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
at groovy.lang.Closure.call(Closure.java:279)
at groovy.lang.Closure.call(Closure.java:292)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:39)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:54)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8_closure9.doCall(GantBinding.groovy:152)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8_closure9.doCall(GantBinding.groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.Closure.call(Closure.java:279)
at groovy.lang.Closure.call(Closure.java:274)
at groovy.lang.Closure$call.call(Unknown Source)
at org.codehaus.gant.GantBinding.withTargetEvent(GantBinding.groovy:90)
at org.codehaus.gant.GantBinding.this$4$withTargetEvent(GantBinding.groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:997)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:706)
at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
at groovy.lang.MetaClassImpl.invokeMethodOnGroovyObject(MetaClassImpl.java:1114)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1011)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:159)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8.doCall(GantBinding.groovy:152)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8.doCall(GantBinding.groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
答案 0 :(得分：1)
我只是想通了。我需要添加
jetty-util-6.1.14.jar
在我的lib目录中。严格地说，我没弄明白;我能够在错误报告中找到一个引用它的参考。此消息之间的连接
java.lang.NoClassDefFoundError: org/mortbay/util/ajax/JSON$Source
并且弄清楚这意味着我需要jetty-util对我来说很难确定，如果我有幸在谷歌搜索几个小时之后找不到它......