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https://issues.apache.org/jira/browse/WICKET-5252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693833#comment-13693833
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Martin Grigorov commented on WICKET-5252:
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Well, I cannot help with other people's tutorials. But we can improve Wicket's
javadocs. PropertyModel explains all this. We can extend PropertyResolver's
javadoc as well.
My training materials cover this and I explain that this may lead to problems
when SecuriyManager is in use.
Feel free to open a new ticket for the new setting.
> PropertyResolver breaks immutable objects by calling setAccessible
> ------------------------------------------------------------------
>
> Key: WICKET-5252
> URL: https://issues.apache.org/jira/browse/WICKET-5252
> Project: Wicket
> Issue Type: Bug
> Affects Versions: 6.8.0
> Reporter: Daniel Zwicker
>
> If a Bean only have private fields and no setter this object is immutable.
> The decision to implement such an object has a bunch of implications. e.g. it
> is thread safe, you can take snapshots of these object to store a version
> history and so on.
> Now your use of reflection breaks this isolation silently. I believe if
> somebody want set the values of the object he should implement a setter or
> provide a public field.
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