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http://www.stripesframework.org/jira/browse/STS-1?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Gunter closed STS-1.
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> OgnlActionBeanFinder NPE when adding Errors
> -------------------------------------------
>
> Key: STS-1
> URL: http://www.stripesframework.org/jira/browse/STS-1
> Project: Stripes
> Issue Type: Bug
> Reporter: Greg Hinkle
> Assignee: Tim Fennell
>
> Think I found a bug.
> I get a NPE in OgnlActionBeanBinder when it tries to assign a
> preConversionValidationError to the fieldErrors map.
> You usually use the overridden put method that will create the list for a
> field's errors but preConversion errors are added via get(parameter).addAll()
> which will return null from get(parameter) unless there was an earlier
> required error.
> I added a putAll to add multiple errors on a field, but you might pass the
> fieldErrors to the sub-methods and have them add one-by-one.
> /**
> * Add multiple errors for a particular field
> * @param field
> * @param errors
> */
> public void putAll(String field, List<ValidationError> errors) {
> List<ValidationError> errorList = get(field);
> if (errorList == null) {
> errorList = new ArrayList<ValidationError>();
> put(field,errors);
> }
> errorList.addAll(errors);
> }
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