ZK: F5 (refresh browser) - exception An error occurred while evaluating function "z:redraw"

asked 2013-03-19 03:15:28 +0800

xmanss
1

I have a simple page with Combobox and listBox. I use zk 3.6.3

When I press F5 (refresh), I have exception

org.zkoss.xel.XelException: An error occurred while evaluating function "z:redraw"

at org.zkforge.apache.commons.el.Logger.logError(Logger.java:484)
at org.zkforge.apache.commons.el.Logger.logError(Logger.java:545)
at org.zkforge.apache.commons.el.FunctionInvocation.evaluate(FunctionInvocation.java:175)
at org.zkforge.apache.commons.el.ExpressionEvaluatorImpl$JSTLExpression.evaluate(ExpressionEvaluatorImpl.java:512)
at org.zkoss.xel.el.ELXelExpression.evaluate(ELXelExpression.java:47)
at org.zkoss.web.servlet.dsp.impl.XelNode.interpret(XelNode.java:49)
at org.zkoss.web.servlet.dsp.impl.ActionNode.renderFragment(ActionNode.java:97)
at org.zkoss.web.servlet.dsp.impl.ActionContextImpl.renderFragment(ActionContextImpl.java:84)
at org.zkoss.web.servlet.dsp.action.AbstractAction.renderFragment(AbstractAction.java:185)
at org.zkoss.web.servlet.dsp.action.ForEach.renderWith(ForEach.java:211)
at org.zkoss.web.servlet.dsp.action.ForEach.render(ForEach.java:158)
at org.zkoss.web.servlet.dsp.impl.ActionNode.interpret(ActionNode.java:70)
at org.zkoss.web.servlet.dsp.impl.RootNode.interpret(RootNode.java:55)
at org.zkoss.web.servlet.dsp.impl.RootNode.interpret(RootNode.java:64)
at org.zkoss.web.util.resource.DspExtendlet.service(DspExtendlet.java:89)
at org.zkoss.web.util.resource.ClassWebResource.web0(ClassWebResource.java:506)
at org.zkoss.web.util.resource.ClassWebResource.web(ClassWebResource.java:492)
at org.zkoss.web.util.resource.ClassWebResource.service(ClassWebResource.java:209)
at org.zkoss.web.util.resource.ClassWebResource$CWC.include(ClassWebResource.java:734)
at org.zkoss.web.servlet.dsp.ExtendletDspContext.include(ExtendletDspContext.java:67)
at org.zkoss.web.servlet.dsp.impl.ActionContextImpl.include(ActionContextImpl.java:98)
at org.zkoss.web.servlet.dsp.action.Include.render(Include.java:54)
at org.zkoss.web.servlet.dsp.impl.ActionNode.interpret(ActionNode.java:70)
at org.zkoss.web.servlet.dsp.impl.RootNode.interpret(RootNode.java:55)
at org.zkoss.web.servlet.dsp.impl.RootNode.interpret(RootNode.java:64)
at org.zkoss.web.util.resource.DspExtendlet.service(DspExtendlet.java:89)
at org.zkoss.web.util.resource.ClassWebResource.web0(ClassWebResource.java:506)
at org.zkoss.web.util.resource.ClassWebResource.web(ClassWebResource.java:492)
at org.zkoss.web.util.resource.ClassWebResource.service(ClassWebResource.java:209)
at org.zkoss.zk.ui.http.ExecutionImpl.dispatch(ExecutionImpl.java:239)
at org.zkoss.zk.ui.http.ExecutionImpl.forward(ExecutionImpl.java:277)
at org.zkoss.zk.ui.impl.PageImpl.redraw(PageImpl.java:782)
at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:431)
at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:299)
at org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:229)
at org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:165)
at org.adempiere.webui.session.WebUIServlet.doGet(WebUIServlet.java:91)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:748)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:861)
at org.adempiere.webui.session.WebUIServlet.service(WebUIServlet.java:104)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
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.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.coyote.http11.Http11Processor.process(Http11Processor.java:879)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:662)

Caused by: java.lang.NullPointerException

at org.zkoss.zk.scripting.Namespaces.getCurrent(Namespaces.java:187)
at org.zkoss.zk.scripting.util.GenericInterpreter.getCurrent(GenericInterpreter.java:485)
at org.zkoss.zk.scripting.bsh.BSHInterpreter.access$300(BSHInterpreter.java:74)
at org.zkoss.zk.scripting.bsh.BSHInterpreter$GlobalNS.getFromNamespace(BSHInterpreter.java:395)
at org.zkoss.zk.scripting.bsh.BSHInterpreter$AbstractNS.getVariableImpl(BSHInterpreter.java:349)
at org.zkoss.zk.scripting.bsh.BSHInterpreter$AbstractNS.getVariableImpl(BSHInterpreter.java:367)
at org.zkoss.zk.scripting.bsh.BSHInterpreter$AbstractNS.getVariableImpl(BSHInterpreter.java:367)
at org.zkoss.zk.scripting.bsh.BSHInterpreter$AbstractNS.getVariableImpl(BSHInterpreter.java:367)
at bsh.NameSpace.getVariable(NameSpace.java:732)
at bsh.NameSpace.getVariable(NameSpace.java:714)
at org.zkoss.zk.scripting.bsh.BSHInterpreter.get(BSHInterpreter.java:179)
at org.zkoss.zk.scripting.util.GenericInterpreter.getVariable(GenericInterpreter.java:422)
at org.zkoss.zk.ui.impl.PageImpl.getZScriptVariable(PageImpl.java:439)
at org.zkoss.zk.xel.impl.ExecutionResolver.resolveVariable(ExecutionResolver.java:149)
at org.zkforge.apache.commons.el.NamedValue.evaluate(NamedValue.java:124)
at org.zkforge.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:140)
at org.zkforge.apache.commons.el.ExpressionEvaluatorImpl$JSTLExpression.evaluate(ExpressionEvaluatorImpl.java:512)
at org.zkoss.xel.el.ELXelExpression.evaluate(ELXelExpression.java:47)
at org.zkoss.zk.xel.impl.SimpleEvaluator.evaluate(SimpleEvaluator.java:73)
at org.zkoss.zk.ui.http.ExecutionImpl.evaluate0(ExecutionImpl.java:194)
at org.zkoss.zk.ui.http.ExecutionImpl.evaluate(ExecutionImpl.java:178)
at org.zkoss.zk.ui.Executions.evaluate(Executions.java:98)
at org.zkoss.zk.ui.sys.ComponentsCtrl.parseClientScript(ComponentsCtrl.java:302)
at org.zkoss.zul.impl.XulElement.toJavaScript(XulElement.java:585)
at org.zkoss.zul.impl.XulElement.getActionAttrs(XulElement.java:468)
at org.zkoss.zul.impl.XulElement.getInnerAttrs(XulElement.java:512)
at org.zkoss.zkmax.zul.render.Button2Default.render(Button2Default.java:61)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.write(SmartWriter.java:70)
at org.zkoss.zkmax.zul.render.BoxHorizontal.render(BoxHorizontal.java:52)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.write(SmartWriter.java:70)
at org.zkoss.zkmax.zul.render.BoxVertical.render(BoxVertical.java:49)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.write(SmartWriter.java:70)
at org.zkoss.zkmax.zul.render.BoxHorizontal.render(BoxHorizontal.java:52)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.write(SmartWriter.java:70)
at org.zkoss.zkmax.zul.render.Window2Default.render(Window2Default.java:92)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.write(SmartWriter.java:70)
at org.zkoss.zkmax.zul.render.Window2Default.render(Window2Default.java:92)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.writeComponents(SmartWriter.java:97)
at org.zkoss.zk.ui.render.SmartWriter.writeChildren(SmartWriter.java:82)
at org.zkoss.zkmax.zul.render.Tabpanel2Default.render(Tabpanel2Default.java:57)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.writeComponents(SmartWriter.java:97)
at org.zkoss.zk.ui.render.SmartWriter.writeChildren(SmartWriter.java:82)
at org.zkoss.zkmax.zul.render.Tabpanels2Default.render(Tabpanels2Default.java:50)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.write(SmartWriter.java:70)
at org.zkoss.zk.ui.render.SmartWriter.writeln(SmartWriter.java:77)
at org.zkoss.zkmax.zul.render.Tabbox2Default.render(Tabbox2Default.java:51)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.writeComponents(SmartWriter.java:97)
at org.zkoss.zk.ui.render.SmartWriter.writeChildren(SmartWriter.java:82)
at org.zkoss.zkmax.zul.render.Layoutregion2Default.render(Layoutregion2Default.java:65)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.ui.render.SmartWriter.writeComponents(SmartWriter.java:97)
at org.zkoss.zk.ui.render.SmartWriter.writeChildren(SmartWriter.java:82)
at org.zkoss.zkmax.zul.render.Borderlayout2Default.render(Borderlayout2Default.java:39)
at org.zkoss.zk.ui.AbstractComponent.redraw(AbstractComponent.java:1246)
at org.zkoss.zk.ui.HtmlBasedComponent.redraw(HtmlBasedComponent.java:542)
at org.zkoss.zk.fn.ZkFns.redraw(ZkFns.java:97)
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:597)
at org.zkforge.apache.commons.el.FunctionInvocation.evaluate(FunctionInvocation.java:173)

:((((

Who have the same problem, show me solution ! Thanks very much