I am facing following error message when i tried to install any plugin in my jira. com.icl.saxon.tinytree.TinyElementImpl cannot be cast to com.atlassian.plugins.domain.model.plugin.PluginVersion My Jira version is :4.3 GreenHopper version :5.5.2 Universal plugin manager version : 2.3
We can install plugins in jira in 2 ways
Using UPM and second through manual installation.
Earlier if u installed using UPM and if it didn't work, now try installing manually
Steps
Download the plugin from Atlassian Plugin Exchange (now Atlassian Market place)
https://marketplace.atlassian.com/
Copy plugin into path <Jira Home Dir>/plugins/installed plugins (check the size after copying)
Restart Jira
Hope this might help.
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