Generic Error Page not decorated

Question

I have a generic error page which is not decorated by SiteMesh.

May I know what is the reason ?

<filter>
  <display-name>SiteMesh_Filter</display-name>
  <filter-name>SiteMesh_Filter</filter-name>
  <filter-class>com.opensymphony.module.sitemesh.filter.PageFilter</filter-class>
 </filter>
 <filter-mapping>
  <filter-name>SiteMesh_Filter</filter-name>
  <url-pattern>/*</url-pattern>
 </filter-mapping>

<error-page>
  <error-code>404</error-code>
  <location>/pages/error.jsp</location>
 </error-page>

Thanks.

Kindly provide any guidance. Please let me know if need further information. — nicholas, Mar 14 '13 at 01:41
Do you use Sitemesh 2 or 3? Your filter configuration is for Sitemesh 2 while in your comment to @kschneid you say you use Sitemesh 3. So which one is it? — Bart, Mar 14 '14 at 15:23

score 2 · Answer 1 · answered Mar 20 '13 at 17:02

2

This is the most recent archive of the original issue.

This is the closed issue page.

So, it looks like you need to make sure that you're not using a release that's more than 2 years old :), and you need to make sure that your SiteMesh filter is configured to process error pages by including:

<dispatcher>ERROR</dispatcher>

along with whatever else you need...

answered Mar 20 '13 at 17:02

kschneid

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I have add it but it failed to decorated too. What wrong with it ' – nicholas Mar 28 '13 at 02:53

Bart · Answer 2 · 2014-03-14T15:47:45.030

I'm going to assume you're using Sitemesh 3 as a decorator. Your configuration in the questions tells me you're using Sitemesh 2, but you mentioned using Sitemesh 3 in the comment to @kschneid answer.

Sitemesh 3 uses a Selector implementation to select which requests it can buffer (decorate). By default this is the org.sitemesh.webapp.contentfilter.BasicSelector. This selector has two constructors namely:

public BasicSelector(String... mimeTypesToBuffer) {
    this(false, mimeTypesToBuffer);
}

public BasicSelector(boolean includeErrorPages, String... mimeTypesToBuffer) {
    this.mimeTypesToBuffer = mimeTypesToBuffer;
    this.includeErrorPages = includeErrorPages;
}

The former is used by the BaseSiteMeshFilterBuilder to construct the selector by default. This means the includeErrorPages property will be set to false and only pages with a status of 200 OK will be buffered by the filter. To overcome this you will need to somehow use the other constructor and set includeErrorPages to true.

This can be done by subclassing org.sitemesh.config.ConfigurableSiteMeshFilter and override the protected applyCustomConfiguration(SiteMeshFilterBuilder builder) method ending up with a method similar to:

public class ErrorPageEnabledSiteMeshFilter extends ConfigurableSiteMeshFilter {
    @Override
    protected void applyCustomConfiguration(SiteMeshFilterBuilder builder) {
        builder.setCustomSelector(new BasicSelector(true, "text/html", "application/xhtml+xml", "application/vnd.wap.xhtml+xml"))
    }
}

The above will instruct the builder to use the custom selector which now will decorate error pages. The only thing left is to add a instance of ErrorPageEnabledSiteMeshFilter to your ServletContext replacing the old one.

Generic Error Page not decorated

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