Error occurred while starting Plugin Manager. Duplicate plugin found (installed version is the same or older) and could not be unloaded
Symptoms
The following appears in atlassian-jira.log:
2013-07-02 11:02:37,320 localhost-startStop-1 FATAL [atlassian.jira.upgrade.PluginSystemLauncher] A fatal error occurred during initialisation. JIRA has been locked.
com.atlassian.jira.InfrastructureException: Error occurred while starting Plugin Manager. Duplicate plugin found (installed version is the same or older) and could not be unloaded: 'com.atlassian.jira.plugin.ext.subversion'
at com.atlassian.jira.ComponentManager$PluginSystem.start(ComponentManager.java:681)
at com.atlassian.jira.ComponentManager.startJIRA(ComponentManager.java:220)
...
Caused by: com.atlassian.plugin.PluginParseException: Duplicate plugin found (installed version is the same or older) and could not be unloaded: 'com.atlassian.jira.plugin.ext.subversion'
at com.atlassian.plugin.manager.DefaultPluginManager.addPlugins(DefaultPluginManager.java:689)
at com.atlassian.plugin.manager.DefaultPluginManager.init(DefaultPluginManager.java:178)Cause
Duplicate JIRA Subversion Plugin installed.
Resolution
- Shutdown JIRA instance
- Navigate to the
JIRA Home Directory\plugins\installed-pluginsdirectory - From there, locate the Subversion plugin(s) and remove the duplicate .jar plugin from the directory
- Restart JIRA instance
- Perform re indexing process
If upgrading JIRA Subversion Plugin to version 0.10.12 or later :
- Shutdown JIRA instance
- Remove the following file in the folder "<JIRA instance>/atlassian-jira/WEB-INF/lib
- atlassian-subversion-plugin-*.jar
- javasvn-*.jar (if any)
- svnkit-*.jar (if any)
- ganymed-*.jar (if any)
- trilead-*.jar (if any)
- Restart JIRA.
Last modified on Mar 30, 2016
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