Neymar celebrates with Luis Suarez and Lionel Messi after scoring the second goal for Barcelona during their UEFA Champions League semifinal match against Bayern Munich in Munich, Germany, on May 12, 2015. [Photo/Agencies]

Barcelona, into an eighth European Cup final, will make their first appearance since 2011, when they won the trophy under Guardiola.

It was Barca's first Champions League away defeat this term as Bayern ended a four-game losing run in all competitions, but Guardiola's aura of invincibility has been hit after he failed for the second season to reach the final with the German club.