[seam-issues] [JBoss JIRA] Updated: (JBSEAM-4631) NPE s:validateEquality with readonly fields

Ignacio Larranaga (JIRA) jira-events at lists.jboss.org
Sat Apr 10 15:49:43 EDT 2010 

     [ https://jira.jboss.org/jira/browse/JBSEAM-4631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ignacio Larranaga updated JBSEAM-4631:
--------------------------------------

    Workaround Description: 
You can add a hidden component:

<h:inputText required="true" value="#{userMovement.credit}" readonly="true"/>
<h:inputHidden id="creditValueId" value="#{userMovement.credit}" />
                Workaround: [Workaround Exists]


> NPE s:validateEquality with readonly fields
> -------------------------------------------
>
>                 Key: JBSEAM-4631
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4631
>             Project: Seam
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: 2.2.0.GA
>            Reporter: Ignacio Larranaga
>
> This is the sample code:
> <a4j:region>
> 	<s:decorate id="creditValueFieldId" template="/layout/edit.xhtml">
> 		<ui:define name="label"><h:outputText value="#{messages['UserMovement.credit']}"/></ui:define>
> 		<h:inputText id="creditValueId" required="true" value="#{userMovement.credit}" readonly="true" />
> 	</s:decorate>
> 	<s:decorate id="valueFieldId" template="/layout/edit.xhtml">
> 		<ui:define name="label"><h:outputText value="#{messages['UserMovement.value']}"/></ui:define>
> 		<h:inputText id="valueId" required="true" value="#{userMovement.value}">
> 			<s:validateEquality for="creditValueId" operator="less_or_equal" message="#{messages['Withdraw.not_enough_credit']}" />
> 			<a4j:support event="onchange" eventsQueue="default" reRender="valueFieldId,withdrawId"/>
> 		</h:inputText>
> 		<ui:param name="description" value="#{messages['Withdraw.value_must_be_le_credit']}" />
> 	</s:decorate>
> </a4j:region>
> When I change the value (onchange event on creditValueId) I get this exception:
> 13:47:30,218 ERROR [Exceptions] handled and logged exception
> javax.servlet.ServletException: java.lang.IllegalArgumentException: Values are not comparable
> 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:277)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
> 	at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
> 	at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
> 	at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
> 	at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
> 	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
> 	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
> 	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
> 	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
> 	at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
> 	at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
> 	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
> 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> 	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
> 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
> 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
> 	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
> 	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
> 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> 	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
> 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
> 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
> 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> 	at java.lang.Thread.run(Unknown Source)
> Caused by: javax.faces.FacesException: java.lang.IllegalArgumentException: Values are not comparable
> 	at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:714)
> 	at javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
> 	at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
> 	at javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
> 	at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
> 	at javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
> 	at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
> 	at javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
> 	at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:226)
> 	at org.ajax4jsf.component.AjaxViewRoot.processValidators(AjaxViewRoot.java:463)
> 	at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
> 	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
> 	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
> 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
> 	... 41 more
> Caused by: java.lang.IllegalArgumentException: Values are not comparable
> 	at org.jboss.seam.ui.validator.EqualityValidator.compare(EqualityValidator.java:202)
> 	at org.jboss.seam.ui.validator.EqualityValidator.validate(EqualityValidator.java:141)
> 	at org.richfaces.component.UIRichInput.validateInput(UIRichInput.java:44)
> 	at org.richfaces.component.html.HtmlInputText.validateValue(HtmlInputText.java:46)
> 	at javax.faces.component.UIInput.validate(UIInput.java:875)
> 	at javax.faces.component.UIInput.executeValidate(UIInput.java:1072)
> 	at javax.faces.component.UIInput.processValidators(UIInput.java:672)
> 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
> 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
> 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
> 	at org.ajax4jsf.component.UIAjaxRegion.processValidators(UIAjaxRegion.java:121)
> 	at org.ajax4jsf.component.AjaxViewRoot$3.invokeContextCallback(AjaxViewRoot.java:447)
> 	at org.ajax4jsf.component.ContextCallbackWrapper.invokeContextCallback(ContextCallbackWrapper.java:44)
> 	at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:711)
> 	... 54 more
> Caused by: java.lang.NullPointerException
> 	at java.lang.Double.compareTo(Unknown Source)
> 	at java.lang.Double.compareTo(Unknown Source)
> 	at org.jboss.seam.ui.validator.EqualityValidator.compare(EqualityValidator.java:198)
> 	... 67 more
> The courious thing is that when I remove the readonly mark in the first field (creditValueFieldId) the exception dissapears :). That is:
> <h:inputText id="creditValueId" required="true" value="#{userMovement.credit}" />

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