[richfaces-issues] [JBoss JIRA] Created: (RF-5088) inputNumberSlider: NPE on calling valueChangeListener

Tsikhon Kuprevich (JIRA) jira-events at lists.jboss.org
Wed Nov 26 07:24:36 EST 2008


inputNumberSlider: NPE on calling valueChangeListener
-----------------------------------------------------

                 Key: RF-5088
                 URL: https://jira.jboss.org/jira/browse/RF-5088
             Project: RichFaces
          Issue Type: Bug
    Affects Versions: 3.3.0
         Environment: any
            Reporter: Tsikhon Kuprevich
            Assignee: Nick Belaevski
            Priority: Critical


.jsp

<rich: inputNamberSlider
....
valueChangeListener="#{inputNumberSlider.valueChangeListener}"
...
/>

<a4j:commandButton value="valueChangeListener (show)" reRender="valueCLID" />
<h:outputText id="valueCLID" value=" #{inputNumberSlider.valueChangeListener}" />


InputNumberSlider.class:

private String valueChangeListener;

public void valueChangeListener(ValueChangeEvent event) {
		valueChangeListener = (String)event.getNewValue();
		System.out.println("valueChangeListener: " + valueChangeListener);
	}

public String getValueChangeListener() {
		return valueChangeListener;
	}


Exception on buttom click:

javax.faces.FacesException: java.lang.NullPointerException
	at org.ajax4jsf.application.AjaxStateManager.handleSaveState(AjaxStateManager.java:366)
	at org.ajax4jsf.application.AjaxStateManager.buildViewState(AjaxStateManager.java:474)
	at org.ajax4jsf.application.AjaxStateManager.saveView(AjaxStateManager.java:438)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:396)
	at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:196)
	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:246)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
	at org.apache.el.lang.FunctionMapperImpl$Function.writeExternal(FunctionMapperImpl.java:123)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1304)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1282)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.HashMap.writeObject(HashMap.java:985)
	at sun.reflect.GeneratedMethodAccessor373.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at org.apache.el.lang.FunctionMapperImpl.writeExternal(FunctionMapperImpl.java:74)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1304)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1282)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at org.apache.el.ValueExpressionImpl.writeExternal(ValueExpressionImpl.java:256)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1304)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1282)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at org.apache.jasper.el.JspValueExpression.writeExternal(JspValueExpression.java:129)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1304)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1282)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.HashMap.writeObject(HashMap.java:985)
	at sun.reflect.GeneratedMethodAccessor373.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at java.util.ArrayList.writeObject(ArrayList.java:569)
	at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
	at org.ajax4jsf.application.AjaxStateManager.handleSaveState(AjaxStateManager.java:363)
	... 32 more


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