The Garda Representative Association says it still has no confidence in the Justice Minister.
Members of the rank and file body are gathering in Co Kerry, ahead of the start of their annual conference.
Alan Shatter has not been invited to address the GRA meeting, for the second year running.
However John Parker says there's never a situation where an olive branch can't be tendered and accepted by both parties.
From Co Kerry, our News Correspondent Fergal O'Brien reports: