Fresh plugin can't be run with "grails run-app"

2007-09-02 19:13:16.981::WARN:  Failed startup of context org.mortbay.jetty.webapp.WebAppContext@4889f2{/interceptors,/Users/mike/Desktop/Temp/grails/interceptors/web-app}
java.lang.IllegalArgumentException: Invalid 'log4jConfigLocation' parameter: Log4J config file [/Users/mike/Desktop/Temp/grails/interceptors/web-app/WEB-INF/classes/log4j.properties] not found
        at org.springframework.web.util.Log4jWebConfigurer.initLogging(Log4jWebConfigurer.java:155)
        at org.springframework.web.util.Log4jConfigListener.contextInitialized(Log4jConfigListener.java:51)
        at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:530)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:135)
        at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1218)
        at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:500)
        at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
        at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
        at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117)
        at org.mortbay.jetty.Server.doStart(Server.java:220)
        at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
        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:585)
        at org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:58)
        at org.codehaus.groovy.runtime.MetaClassHelper.doMethodInvoke(MetaClassHelper.java:678)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:689)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:894)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:531)
        ...