Symptoms

1. Stack trace is being thrown immediately after clicking the Test Settings button
   
   
   

The following appears in the atlassian-jira.log:

2012-06-11 23:05:55,370 http-8443-4 ERROR admin 1385x1489x1 ifaia6 1.2.3.4 /plugins/servlet/embedded-crowd/configure/delegatingldap/ [atlassian.plugin.servlet.ServletModuleContainerServlet] Request processing failed; nested exception is java.lang.NullPointerException
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException

Cause

There is(are) necessary value that is empty in the Directory Configuration.

Resolution

1. Edit the JIRA Delegated Authentication Directory
2. Enable the 'Copy User on Login' configuration
3. Ensure that the LDAP URL and Port Number is specified
4. Do the update that you would like to perform. Fill In the User Schema Settings with the neccessary configuration.
5. Test the settings and Save it.
6. Edit JIRA Delegated Authentication Directory again
7. Disable the 'Copy User on Login' configuration
8. Test and save it again

 Please see our Troubleshooting LDAP User Management documentation for further assistance with diagnosing LDAP problems.