Sqoop Connection Refused

sqoop import --connect jdbc:mysql://cxln2.c.thelab-240901.internal:3306/sqoopex --username sqoopuser --password NHkkP876rp --table r_empnopk -m 1 --target-dir=/user/suryaperi459510/r_empnopk

21/09/13 17:43:13 ERROR tool.ImportTool: Encountered IOException running import job: java.net.ConnectException: Call From cxln5.c.thelab-240901.internal/ to cxln1.c.thelab-240901.internal:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: ConnectionRefused - HADOOP2 - Apache Software Foundation

Can you please let me know how to resolve this issue.