In order to use this plugin type Ctrl+Space inside empty String literal. This will generate new unique identifier as a Code Completion. That generated EID can be used, for example, to identify your exceptions.

Example usage (This is technical runtime exception, a posible bug. This plugin can be used to quickly fill unique bug id.):
try {
    shuldWorkIfNoBugsExists();
} catch (IOException ex) {
    throw new EidRuntimeException("20140218:161429", "Something wrong with HDD, permissions?", ex);
}