[hibernate-issues] [Hibernate-JIRA] Commented: (HV-402) Make sure that Validator still works on JDK 5 due to ValueMessageInterpolator

[Gunnar Morling (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HV-402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=39291#action_39291 ] 

Gunnar Morling commented on HV-402:
-----------------------------------

Right, there is no problem if ValueMessageInterpolator is not explicitely configured.

But there is a problem, if you do want to work with ValueMessageInterpolator but only want to use the toString() approach (and not the scripting one) for the interpolation of the validated value. This is because this class can't be loaded by the JVM when running on JDK 5 (and not having a JSR 223 implementation on the classpath) due to the imports from javax.script.* 

So if I'm not mistaken one always needs a JSR 223 implementation to use ValueMessageInterpolator although not actually using scripting interpolation.

We had a similar issue (HV-302), where JAXB was always required, also if no XML configuration was used. This was solved by only loading those classes importing from javax.xml.bind.* if actually required.

To confirm, one would need to configure ValueMessageInterpolator and test a toString() interpolation, which currently is expected to fail on JDK 5.



> Make sure that Validator still works on JDK 5 due to ValueMessageInterpolator
> -----------------------------------------------------------------------------
>
>                 Key: HV-402
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-402
>             Project: Hibernate Validator
>          Issue Type: Bug
>          Components: documentation, engine
>    Affects Versions: 4.1.0.Final
>            Reporter: Hardy Ferentschik
>            Assignee: Hardy Ferentschik
>             Fix For: 4.2.0.Beta1
>
>
> {{ValueMessageInterpolator}} requires the JSR 223 scripting API. We have to make sure that this does not cause any problems on a Java 5 runtime. However, since you have to explicitly configure this interpolator. We have to confirm that though.
> We probably need a note in the documentation.  

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