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org.apache.tapestry.BindingException: Unable to read OGNL expression '<parsed OGNL expression>' of $GroupSearchGroups_290@5aa6870c[pages/group/GroupSearchGroups]: source is null for getProperty(null, "typeKey") [context:/WEB-INF/pages/group/GroupSearchGroups.html, line 1] at org.apache.tapestry.binding.ExpressionBinding.resolveExpression(ExpressionBinding.java:114) at org.apache.tapestry.binding.ExpressionBinding.getObject(ExpressionBinding.java:103) at com.wmg.cdp.controller.components.autotagging.BaseTaggingModule.enforceOverrides(BaseTaggingModule.java:134) at com.wmg.cdp.controller.components.autotagging.BaseTaggingModule.prepareForRender(BaseTaggingModule.java:87) at org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:615) at org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:92) at com.wmg.cdp.controller.pages.WmgBasePage.renderComponent(WmgBasePage.java:38) at org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617) at org.apache.tapestry.AbstractPage.renderPage(AbstractPage.java:275) at org.apache.tapestry.engine.RequestCycle.renderPage(RequestCycle.java:366) at org.apache.tapestry.services.impl.ResponseRendererImpl.renderResponse(ResponseRendererImpl.java:71) at $ResponseRenderer_124c16d9060.renderResponse($ResponseRenderer_124c16d9060.java) at org.apache.tapestry.engine.PageService.service(PageService.java:68) at $IEngineService_124c16d90e7.service($IEngineService_124c16d90e7.java) at org.apache.tapestry.services.impl.EngineServiceOuterProxy.service(EngineServiceOuterProxy.java:66) at org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:248) at org.apache.tapestry.services.impl.InvokeEngineTerminator.service(InvokeEngineTerminator.java:60) at $WebRequestServicer_124c16d90a8.service($WebRequestServicer_124c16d90a8.java) at $WebRequestServicer_124c16d90a4.service($WebRequestServicer_124c16d90a4.java) at org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service(WebRequestServicerPipelineBridge.java:56) at $ServletRequestServicer_124c16d908a.service($ServletRequestServicer_124c16d908a.java) at org.apache.tapestry.request.DecodedRequestInjector.service(DecodedRequestInjector.java:55) at $ServletRequestServicerFilter_124c16d9086.service($ServletRequestServicerFilter_124c16d9086.java) at $ServletRequestServicer_124c16d908c.service($ServletRequestServicer_124c16d908c.java) at org.apache.tapestry.multipart.MultipartDecoderFilter.service(MultipartDecoderFilter.java:52) at $ServletRequestServicerFilter_124c16d9084.service($ServletRequestServicerFilter_124c16d9084.java) at $ServletRequestServicer_124c16d908c.service($ServletRequestServicer_124c16d908c.java) at org.apache.tapestry.services.impl.SetupRequestEncoding.service(SetupRequestEncoding.java:53) at $ServletRequestServicerFilter_124c16d9088.service($ServletRequestServicerFilter_124c16d9088.java) at $ServletRequestServicer_124c16d908c.service($ServletRequestServicer_124c16d908c.java) at $ServletRequestServicer_124c16d907e.service($ServletRequestServicer_124c16d907e.java) at org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:123) at org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:79) at javax.servlet.http.HttpServlet.service(HttpServlet.java:627) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:173) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:173) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.wmg.cdp.controller.url.filter.UrlJsessionIdFilter.doFilter(UrlJsessionIdFilter.java:80) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:347) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:595) Caused by: org.apache.hivemind.ApplicationRuntimeException: Unable to read OGNL expression '<parsed OGNL expression>' of $GroupSearchGroups_290@5aa6870c[pages/group/GroupSearchGroups]: source is null for getProperty(null, "typeKey") [context:/WEB-INF/pages/group/GroupSearchGroups.page, line 5, column 82] at org.apache.tapestry.services.impl.ExpressionEvaluatorImpl.readCompiled(ExpressionEvaluatorImpl.java:95) at $ExpressionEvaluator_124c16d9169.readCompiled($ExpressionEvaluator_124c16d9169.java) at org.apache.tapestry.binding.ExpressionBinding.resolveExpression(ExpressionBinding.java:110) ... 61 more Caused by: ognl.OgnlException: source is null for getProperty(null, "typeKey") at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1652) at ognl.ASTProperty.getValueBody(ASTProperty.java:92) at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170) at ognl.SimpleNode.getValue(SimpleNode.java:210) at ognl.ASTChain.getValueBody(ASTChain.java:109) at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170) at ognl.SimpleNode.getValue(SimpleNode.java:210) at ognl.ASTAdd.getValueBody(ASTAdd.java:55) at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170) at ognl.SimpleNode.getValue(SimpleNode.java:210) at ognl.Ognl.getValue(Ognl.java:333) at ognl.Ognl.getValue(Ognl.java:310) at org.apache.tapestry.services.impl.ExpressionEvaluatorImpl.readCompiled(ExpressionEvaluatorImpl.java:91) ... 63 more