Re: [xwiki-users] NoSuchMethodError for injected DocumentAccessBridge

Here's what I get when I save a page with def myComponent = com .xpn.xwiki.web.Utils.getComponent(com.shai.xwiki.MyComponent.class); myComponent.myFun("Main.JohnDoe"); Detailed information: Error number 0 in 11: Uncaught exception Wrapped Exception: org.xwiki.bridge.DocumentAccessBridge.getProperty(Ljava/lang/ String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String; com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception Wrapped Exception: org.xwiki.bridge.DocumentAccessBridge.getProperty(Ljava/lang/ String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String; at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:238) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115) at org .apache .struts .action.RequestProcessor.processActionPerform(RequestProcessor.java: 431) at org .apache.struts.action.RequestProcessor.process(RequestProcessor.java: 236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java: 1196) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java: 432) 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 .wysiwyg .server.filter.ConversionFilter.doFilter(ConversionFilter.java:155) 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.servlet.Dispatcher.forward(Dispatcher.java:334) at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126) at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:109) 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) Wrapped Exception: java.lang.NoSuchMethodError: org.xwiki.bridge.DocumentAccessBridge.getProperty(Ljava/lang/ String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String; at com .shai .xwiki.internal.DefaultMyComponent.announce(DefaultMyComponent.java: 49) 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.callsite.PojoMetaMethodSite $PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java: 229) at org .codehaus .groovy .runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52) at org .codehaus .groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java: 125) at LoggingEventListener.onEvent(Script6.groovy:41) at org .xwiki .observation .internal .DefaultObservationManager.notify(DefaultObservationManager.java:262) at org .xwiki .observation .internal .DefaultObservationManager.notify(DefaultObservationManager.java:236) at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1336) at com.xpn.xwiki.web.SaveAction.save(SaveAction.java:176) at com.xpn.xwiki.web.SaveAction.action(SaveAction.java:193) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:213) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115) at org .apache .struts .action.RequestProcessor.processActionPerform(RequestProcessor.java: 431) at org .apache.struts.action.RequestProcessor.process(RequestProcessor.java: 236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java: 1196) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java: 432) 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 .wysiwyg .server.filter.ConversionFilter.doFilter(ConversionFilter.java:155) 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.servlet.Dispatcher.forward(Dispatcher.java:334) at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126) at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:109) 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) Thanks! ~David tmortagne (via Nabble) wrote: > Hi David, > > On Wed, Oct 14, 2009 at 22:17, breeden <[hidden email] > <http://n2.nabble.com/user/SendEmail.jtp?type=node&node=3829043&i=0>> > wrote: > >> >> Hi, >> >> I'm writing a component that accesses the XWiki data model when > document >> updates occur. I have a few questions, but will post distinct > threads for >> them. I apologize for the clutter. >> >> I found the API for DocumentAccessBridge at >> > http://maven.xwiki.org/releases/org/xwiki/platform/xwiki-core-bridge/2.0/ > . > >> My code looks like: >> >> @Requirement >> private DocumentAccessBridge _documentAccessBridge; >> >> public void myFun(String documentName) { >> >> String description = null; >> try { >> description = > _documentAccessBridge.getProperty(documentName, >> "Main.MyClass", "description").toString(); >> } >> catch(Exception e) { >> e.printStackTrace(); >> } >> >> // ... >> } >> >> I expect this to get the description of the first object of type > MyClass in >> the given document, but instead I get a NoSuchMethodError for the > call to >> getProperty. I have xwiki-core-bridge-2.0.jar in my WEB-INF\lib > directory; >> why might this happen? > > Could you give use the whole stack trace error. > >> >> Thanks, >> David Breeden