[jboss-user] [Tomcat, HTTPD, Servlets & JSP] - Re: customized error page question

[PeterJ]

What gets displayed to the user depends on the portal, not on an individual portlet. A portal page can contain many portlets so showing an error page because one portlet has an issue is typically not what it done. You could, however, display some kind of error message within the portlet itself.

JBoss Portal does give some control over how it should behave when a portlet runs into a problem. Look at the control.portal.* and control.page.* properties in the jboss-portal.sar/conf/data.default-object.xml file.
http://docs.jboss.org/jbportal/v2.7.0.B1/referenceGuide/html/errorhandling.html

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