Unable to manage Add-ons because of Tomcat

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Symptoms

The following appears when you click manage add-ons:

Caused by: Java.lang. NoClassDefFoundError: com/atlassian/oauth/util/RequestAnnotations
at coms.atlassian.sal.confluence.websudo.ConfluenceWebsudoManager.canExecuteRequest(confluencewebsudomanager:java:45)

Diagnosis

It happens when you are using Tomcat 7.

Cause

Tomcat 7 is not stable in Confluence 5.5 prior to 5.5.3.

Resolution

  • Downgrade your Tomcat to a supported version such as Tomcat 6. After downgrading Tomcat, Confluence User Directories link should appear within the Confluence admin panel.

    To downgrade Tomcat:

    1. Shutdown Confluence
    2. Download a compatible version of Tomcat and unzip it
    3. Copy the bin and lib folder from the unzipped folder into the <confluence install directory>
    4. Agree to overwriting all duplicate files
    5. Start Confluence

Last modified on Feb 26, 2016

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