Don't display stack trace in console when failing to load native renderer for the formula macro

2009-09-24 12:14:39,996 [http://localhost:8080/xwiki/WysiwygService] [http://localhost:8080/xwiki/WysiwygService?null] ERROR formula.FormulaMacro            - Invalid renderer: [native]. Falling back to the safe renderer.
org.xwiki.component.manager.ComponentLookupException: Failed to render formula using [native] renderer
        at org.xwiki.rendering.internal.macro.formula.FormulaMacro.render(FormulaMacro.java:162)
        at org.xwiki.rendering.internal.macro.formula.FormulaMacro.execute(FormulaMacro.java:112)
        at org.xwiki.rendering.internal.macro.formula.FormulaMacro.execute(FormulaMacro.java:57)
        at org.xwiki.rendering.internal.transformation.MacroTransformation.transformOnce(MacroTransformation.java:176)
        at org.xwiki.rendering.internal.transformation.MacroTransformation.transform(MacroTransformation.java:120)
        at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:72)
        at com.xpn.xwiki.wysiwyg.server.DefaultWysiwygService.parseAndRender(DefaultWysiwygService.java:189)
        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:592)
        at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:527)
        at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:166)
        at com.xpn.xwiki.gwt.api.server.XWikiServiceImpl.processCall(XWikiServiceImpl.java:85)
        at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:86)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:117)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
        at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
        at com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:295)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
        at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:879)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)