Free Online Certification Courses – Learn Today. Lead Tomorrow. › Forums › Apache Hadoop › How to handle mapper job This topic has 0 replies, 1 voice, and was last updated 5 years, 7 months ago by DataFlair Team. Viewing 0 reply threads Author Posts September 20, 2018 at 2:54 pm #5343 DataFlair TeamSpectator you have 100 mappers and one of the mapper is failed and for that whole job is getting failed how to overcome with that? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Signup / Login with Google Log In