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https://issues.apache.org/jira/browse/FLEX-33825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795778#comment-13795778
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Justin Mclean commented on FLEX-33825:
--------------------------------------
More information is required. What exactly do you mean by "has two 'null'
values in the header".
And form the RTE looks like the issue may be with DateValidator not DateField.
Can you provide a small sample app that shows this issue?
> Default mx:DateField missing format - selecting date crashes app
> ----------------------------------------------------------------
>
> Key: FLEX-33825
> URL: https://issues.apache.org/jira/browse/FLEX-33825
> Project: Apache Flex
> Issue Type: Bug
> Components: mx: DateField
> Affects Versions: Apache Flex 4.10.0
> Reporter: jon yeargers
>
> After upgrade from Flex 4.7 to 4.10 mx:DateField controls are not displaying
> correctly.
> Usage:<mx:DateField id="startDate" formatString="YYYY-MM-DD"/>
> When date icon is clicked the resultant calendar has two 'null' values in the
> header. Clicking on a date gives the following stack trace:
> TypeError: Error #1009: Cannot access a property or method of a null object
> reference.
> at
> mx.validators::DateValidator$/validateDate()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/validators/DateValidator.as:203]
> at
> mx.validators::DateValidator/doValidation()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/validators/DateValidator.as:1476]
> at
> mx.validators::Validator/processValidation()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/validators/Validator.as:1020]
> at
> mx.validators::Validator/validate()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/validators/Validator.as:953]
> at
> mx.validators::Validator/triggerHandler()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/validators/Validator.as:1175]
> at flash.events::EventDispatcher/dispatchEventFunction()
> at flash.events::EventDispatcher/dispatchEvent()
> at
> mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:13412]
> at
> mx.controls::ComboBase/textInput_valueCommitHandler()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/ComboBase.as:1697]
> at flash.events::EventDispatcher/dispatchEventFunction()
> at flash.events::EventDispatcher/dispatchEvent()
> at
> mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:13412]
> at mx.controls::TextInput/set
> text()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/TextInput.as:1646]
> at
> mx.controls::DateField/dateFiller()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/DateField.as:2542]
> at
> mx.controls::DateField/dropdown_changeHandler()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/DateField.as:2752]
> at flash.events::EventDispatcher/dispatchEventFunction()
> at flash.events::EventDispatcher/dispatchEvent()
> at
> mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:13412]
> at
> mx.controls::DateChooser/dateGrid_changeHandler()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/DateChooser.as:3354]
> at flash.events::EventDispatcher/dispatchEventFunction()
> at flash.events::EventDispatcher/dispatchEvent()
> at
> mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:13412]
> at
> mx.controls::CalendarLayout/http://www.adobe.com/2006/flex/mx/internal::dispatchChangeEvent()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/CalendarLayout.as:1800]
> at
> mx.controls::CalendarLayout/mouseUpHandler()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mx/src/mx/controls/CalendarLayout.as:2516]
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