When invoking ClickUtils#toLabel it throws an IllegalArgumentException if the argument is null. This was fine 1.4 branch where Controls always had a name defined.
In 1.5 it is possible not to set the name so #toLabel should instead return an empty String instead of exception.
|Field||Original Value||New Value|
|Resolution||Fixed [ 1 ]|
|Status||Open [ 1 ]||Resolved [ 5 ]|
|Status||Resolved [ 5 ]||Closed [ 6 ]|
|Project Import||Fri Mar 20 14:11:32 PDT 2009 [ 1237583492744 ]|