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Posted to user@struts.apache.org by Chris Searle <ch...@empolis.no> on 2004/03/08 12:02:40 UTC
Validator classes and validator-rules.xml
I'm getting an odd exception:
2004-03-08 11:19:41,405 ERROR [org.apache.commons.validator.Validator] reflection: org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionErrors, javax.servlet.http.HttpServletRequest)
java.lang.NoSuchMethodException: org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionErrors, javax.servlet.http.HttpServletRequest)
at java.lang.Class.getMethod(Class.java:978)
at org.apache.commons.validator.Validator.executeValidationMethod(Validator.java:501)
at org.apache.commons.validator.Validator.validateFieldForRule(Validator.java:424)
at org.apache.commons.validator.Validator.validateField(Validator.java:669)
at org.apache.commons.validator.Validator.validate(Validator.java:745)
at org.apache.struts.validator.DynaValidatorForm.validate(DynaValidatorForm.java:150)
The parameter list shown in the NoSuchMethodException appears to match
the validator-rules.xml file:
<validator name="required"
classname="org.apache.struts.validator.FieldChecks"
method="validateRequired"
methodParams="java.lang.Object,
org.apache.commons.validator.ValidatorAction,
org.apache.commons.validator.Field,
org.apache.struts.action.ActionMessages,
javax.servlet.http.HttpServletRequest"
msg="errors.required"/>
apart from the fourth parameter (ActionMessages vs ActionErrors) but
this is probably OK since ActionErrors is a subclass of
ActionMessages.
This parameter list also matches the javadoc.
NB: This is the Nightly Build binary download !!! I can't recall why -
just that I had a bug in the stable build that was fixed in the
nightly's. However - I've just changed from the old nightly to
20040306 (20040307 seems to be 163 bytes long) to test - and the same
problem with validation occurs.
Any hints anyone?
--
Chris Searle
chris@empolis.no
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Re: Validator classes and validator-rules.xml
Posted by Adam Hardy <ah...@cyberspaceroad.com>.
On 03/08/2004 12:02 PM Chris Searle wrote:
> I'm getting an odd exception:
>
> 2004-03-08 11:19:41,405 ERROR [org.apache.commons.validator.Validator] reflection: org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionErrors, javax.servlet.http.HttpServletRequest)
> java.lang.NoSuchMethodException: org.apache.struts.validator.FieldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionErrors, javax.servlet.http.HttpServletRequest)
> at java.lang.Class.getMethod(Class.java:978)
> at org.apache.commons.validator.Validator.executeValidationMethod(Validator.java:501)
> at org.apache.commons.validator.Validator.validateFieldForRule(Validator.java:424)
> at org.apache.commons.validator.Validator.validateField(Validator.java:669)
> at org.apache.commons.validator.Validator.validate(Validator.java:745)
> at org.apache.struts.validator.DynaValidatorForm.validate(DynaValidatorForm.java:150)
>
> The parameter list shown in the NoSuchMethodException appears to match
> the validator-rules.xml file:
>
> <validator name="required"
> classname="org.apache.struts.validator.FieldChecks"
> method="validateRequired"
> methodParams="java.lang.Object,
> org.apache.commons.validator.ValidatorAction,
> org.apache.commons.validator.Field,
> org.apache.struts.action.ActionMessages,
> javax.servlet.http.HttpServletRequest"
> msg="errors.required"/>
>
> apart from the fourth parameter (ActionMessages vs ActionErrors) but
> this is probably OK since ActionErrors is a subclass of
> ActionMessages.
>
> This parameter list also matches the javadoc.
>
> NB: This is the Nightly Build binary download !!! I can't recall why -
> just that I had a bug in the stable build that was fixed in the
> nightly's. However - I've just changed from the old nightly to
> 20040306 (20040307 seems to be 163 bytes long) to test - and the same
> problem with validation occurs.
I think I might have had this and found that changing to ActionMessages
did solve it, even though it seems unnecessary. This was one of last
week's builds. I don't think that reflection process takes inheritance
into account.
Adam
--
struts 1.1 + tomcat 5.0.16 + java 1.4.2
Linux 2.4.20 Debian
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