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https://issues.apache.org/jira/browse/WICKET-6156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15297892#comment-15297892
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Gert-Jan Schouten commented on WICKET-6156:
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Hello, when trying to create a quickstart, I discovered that 7.3.0 had been
released. I tried it, and the problem went away. I still tried to create a
quickstart, in order to be able to understand the problem, but as I said above,
the problem occurred in a very random way, so creating a quickstart would have
taken a lot of time. Since the problem appears to be solved in 7.3.0, I guess
we can just close this ticket. I still suspect that the issue is related to
ticket 6052, so perhaps some of that code was changed again in 7.3.0?
> <wicket:message> tags substitute wrong value in CSS header contributor
> ----------------------------------------------------------------------
>
> Key: WICKET-6156
> URL: https://issues.apache.org/jira/browse/WICKET-6156
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 7.2.0
> Environment: Linux Mint, Tomcat 8, Java 8
> Reporter: Gert-Jan Schouten
>
> In our project, we have CSS code in our <wicket:head> section. In that CSS
> code, we use the <wicket:message> tags to substitute often used values, for
> example:
> <wicket:head>
> <style>
> .b-SomeComponent {
> line-height: <wicket:message key="CSS.lineHeight1" />;
> }
> </style>
> </wicket:head>
> After upgrading from 7.1.0 to 7.2.0, some of the wicket:message
> substitutions in the CSS are wrong. Instead of the proper value, they get
> another, seemingly random value that is also used on the page. The value that
> they get is not necessarily another CSS property, but sometimes also a text
> value used in the HTML. For example, the above example could lead to:
> line-height: Hello World;
> if "Hello World" was used somewhere on the page.
> Due to the random nature of this, I have been unable to replicate this in a
> quickstart. However, the errors always occur on the same elements and are
> always substituted with the same wrong value.
> There is one ticket in the 7.2.0 release that also relates to CSS header
> contributions: https://issues.apache.org/jira/browse/WICKET-6052.
> Could you perhaps tell me which changes could be related to this issue and
> how I could use those specific changes to replicate this behaviour?
> Currently, we had to revert back to 7.1.0, as this bug makes 7.2.0 unusable
> to us.
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