Version 0.2 is compatible with JIRA 4.0.x only!
Version 0.3 is compatible with JIRA 4.1.x only!
Download Jython 2.5.0 from http://jython.org/downloads.html and install it: java -jar jython_installer-2.5.0.jar. Please do not use other versions (even later ones), this is known to cause bugs.
Set Java property for JIRA: -Dpython.home=<jython install directory> (follow this guide)
Copy plugin jar to JIRA_HOME/plugins/installed-plugins
Modify /WEB-INF/classes/actions.xml: change "issue.EditSubTaskIssue" to "com.quisapps.jira.plugin.action.EditSubTaskIssue" and "issue.EditIssue" to "com.quisapps.jira.plugin.action.EditIssue"
Copy Jython file placeholders from plug-in jar file /jython to JIRA_HOME/jss/jython
Restart JIRA
Add listener with any name (e.g. Jython) and class com.quisapps.jira.plugin.listener.JythonListener
v0.2 to v0.3 Upgrade
This should be done only when upgrading JIRA from 4.0 to 4.1
Replace jss-0.2.jar with jss-0.3.jar in JIRA_HOME/plugins/installed-plugins
v0.1 to v0.2 Upgrade
Modify /WEB-INF/classes/actions.xml: change "issue.EditSubTaskIssue" to "com.quisapps.jira.plugin.action.EditSubTaskIssue"
replace jss-0.1.jar with jss-0.2.jar in JIRA_HOME/plugins/installed-plugins