The tomcat log shows the following when the user creation was attempted
06 May 2011 13:43:42,071- Thread: 52 INFO [com.vontu.manager] [User] logged on
06 May 2011 13:44:45,290- Thread: 52 WARNING [com.vontu.manager.struts.transactions.RequiresTransactionProxy] Exception thrown by class com.vontu.manager.admin.user.edit.UpdateUserAction.execute
06 May 2011 13:44:45,290- Thread: 52 WARNING [com.vontu.manager.struts.transactions.RequiresTransactionProxy] Aborting transaction after method call failed [class com.vontu.manager.admin.user.edit.UpdateUserAction.execute]
06 May 2011 13:44:45,290- Thread: 52 SEVERE [com.vontu.manager] [/SaveUser] Unexpected error occurred while processing action
06 May 2011 13:44:45,290- Thread: 52 SEVERE [com.vontu.manager] [/SaveUser]
Cause:
java.lang.NullPointerException
java.lang.NullPointerException
at com.vontu.manager.admin.user.domain.PasswordUpdateService.getPasswordHistory(PasswordUpdateService.java:84)
at com.vontu.manager.util.PasswordPolicy.isPasswordUsedTooRecently(PasswordPolicy.java:172)
at com.vontu.manager.admin.user.validation.PasswordValidator.validate(PasswordValidator.java:46)
at com.vontu.manager.admin.user.validation.EditUserValidator.checkPassword(EditUserValidator.java:77)
at com.vontu.manager.admin.user.validation.EditUserValidator.customValidation(EditUserValidator.java:41)
at com.vontu.manager.admin.user.validation.UserValidator.validate(UserValidator.java:25)
at com.vontu.manager.admin.user.UserManager.validateAndSaveUser(UserManager.java:113)
at com.vontu.manager.admin.user.edit.UpdateUserAction.execute(UpdateUserAction.java:77)
at sun.reflect.GeneratedMethodAccessor713.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.vontu.manager.struts.transactions.RequiresTransactionProxy.invoke(RequiresTransactionProxy.java:75)
at $Proxy103.execute(Unknown Source)
at com.vontu.manager.struts.PrivilegedProtectAction.run(PrivilegedProtectAction.java:140)
at com.vontu.manager.struts.ProtectActionProcessor.execute(ProtectActionProcessor.java:154)
[...]
Workaround:
Disable password rotation (set to 0) in the Settings > General page, create users, and then turn password rotation back on.
Reference Bug eTrack 2338387 has been filed for this issue.
The fix is scheduled to be in 11.1.1