'Content Encoding Error' When Using Left Hand Navigation Theme in Confluence 4.x
Symptoms
After upgrading to Confluence 4.x, entire spaces will not render properly. In the user interface you may receive an error stating 'The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression.'.
The following appears in the atlassian-confluence.log
:
2012-09-21 09:32:28,824 WARN [http-443-7] [confluence.velocity.introspection.AnnotationBoxingUberspect] lookupMethod Velocity template accessing deprecated method com.atlassian.confluence.plugin.descriptor.web.ConfluenceWebInterfaceManager#getDisplayableItems - /templates/leftnavigation/includes/navlinks.vm[line 101, column 64]
-- referer: https://CamelKeg.com/spacedirectory/view.action | url: /pages/viewpage.action | userName: Camel | action: viewpage | page: 2660
2012-09-21 09:32:28,824 WARN [http-443-7] [confluence.velocity.introspection.AnnotationBoxingUberspect] lookupMethod Velocity template accessing deprecated method com.atlassian.confluence.plugin.descriptor.web.model.ConfluenceWebLink#getDisplayableUrl - /templates/leftnavigation/includes/navlinks.vm[line 102, column 101]
-- referer: https://CamelKeg.com/spacedirectory/view.action | url: /pages/viewpage.action | userName: Camel | action: viewpage | page: 2660
2012-09-21 09:32:28,839 WARN [http-443-7] [confluence.velocity.introspection.AnnotationBoxingUberspect] lookupMethod Velocity template accessing deprecated method com.atlassian.confluence.plugin.descriptor.web.model.ConfluenceWebLabel#getDisplayableLabel - /templates/leftnavigation/includes/navlinks.vm[line 102, column 196]
-- referer: https://CamelKeg.com/spacedirectory/view.action | url: /pages/viewpage.action | userName: Camel | action: viewpage | page: 26607637
2012-09-21 09:32:28,871 ERROR [http-443-7] [opensymphony.webwork.dispatcher.VelocityResult] doExecute Unable to render Velocity Template, '/pages/viewpage.vm'
-- referer: https://CamelKeg.com/spacedirectory/view.action | url: /pages/viewpage.action | userName: Camel | action: viewpage | page: 2660
Cause
This may be due to the Left Navigation Theme which is not compatible with the 4.x series of Confluence and has no plans to be added to the 4.x series
Resolution
Remove the Left Hand Navigation theme plugin from Confluence.