使用 Grails 2.3.6 和 resources:1.2.1 时出现以下错误。此错误有解决方法吗:
Resource reload failed!:
java.lang.NullPointerException: Cannot get property 'grailsResourceProcessor' on null object
at org.codehaus.groovy.runtime.NullObject.getProperty(NullObject.java:56)
at org.codehaus.groovy.runtime.InvokerHelper.getProperty(InvokerHelper.java:169)
at org.codehaus.groovy.runtime.callsite.NullCallSite.getProperty(NullCallSite.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGetProperty(AbstractCallSite.java:227)
at ResourcesGrailsPlugin$_closure4_closure20.doCall(ResourcesGrailsPlugin.groovy:204)
at ResourcesGrailsPlugin$_closure4_closure20.doCall(ResourcesGrailsPlugin.groovy)
at sun.reflect.GeneratedMethodAccessor251.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1254)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:272)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.call(PogoMetaMethodSite.java:64)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112)
at ResourcesGrailsPlugin$_triggerReload_closure7.doCall(ResourcesGrailsPlugin.groovy:191)
at ResourcesGrailsPlugin$_triggerReload_closure7.doCall(ResourcesGrailsPlugin.groovy)
at sun.reflect.GeneratedMethodAccessor250.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1254)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1086)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:910)
at groovy.lang.Closure.call(Closure.java:411)
at ResourcesGrailsPlugin$_triggerReload_closure7.call(ResourcesGrailsPlugin.groovy)
at groovy.lang.Closure.call(Closure.java:405)
at ResourcesGrailsPlugin$_triggerReload_closure7.call(ResourcesGrailsPlugin.groovy)
at groovy.lang.Closure.run(Closure.java:492)
at ResourcesGrailsPlugin$_triggerReload_closure7.run(ResourcesGrailsPlugin.groovy)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
最佳答案
基于此链接:http://jira.grails.org/browse/GPRESOURCES-248听起来这个问题是由 fork 执行引起的。
尝试关闭 fork 执行，看看是否有相同的错误。在修复资源插件的同时，这应该能让您走得足够远。
另外，您使用的是最新版本的资源插件吗？
关于java.lang.NullPointerException : Cannot get property 'grailsResourceProcessor' on null object，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/21885330/