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

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: Tsikhon Kuprevich Priority: Critical Fix For: 3.3.0 .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