Details
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Bug Report
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Resolution: Won't Fix
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L3 - Default
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None
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7.10.0
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None
Description
When a form field default value is set to a date object (i.e. ${date}), the task can't be rendered in Tasklist.
The Date value is converted to String using date.toString() (which uses date format "EEE MMM dd HH:mm:ss z YYYY") and then is being tried to be parsed using default date format ("dd/MM/yyyy"). See this line: https://github.com/camunda/camunda-bpm-platform/blob/master/engine/src/main/java/org/camunda/bpm/engine/impl/form/type/DateFormType.java#L98
Currently I have 2 options:
1. Use dateFormat = "EEE MMM dd HH:mm:ss z YYYY" - the date is successfully parsed back and forth using that format, however, Tasklist will render the field using that format, which is ugly for a date picker.
2. Convert the value to String manually in my bean using my own dateFormat ("dd/MM/yyyy") - i.e. use ${dateUtil.format(date)} for default value
Possible solutions:
1. If convertFormValueToModelValue() parameter is of type Date, do not attempt to convert it to String and then parse it - just return it instead.
2. If we really want to convert it to String and back to Date for some reason, use provided dateFormat.parse(date) instead of date.toString()
The problem is described in detail here: https://forum.camunda.org/t/date-form-field-default-value/7788