Why does automount logs errors similar to "create_udp_client:101: hostname lookup failed: Unknown host"?

Solution Verified - Updated -

Issue

  • automount logs errors with the following messages:
Jan 19 14:10:09 hostA automount[3141]: create_udp_client:101: hostname lookup failed: Unknown host
Jan 19 14:10:09 hostA automount[3141]: create_tcp_client:341: hostname lookup failed: Unknown host
Jan 19 14:10:09 hostA automount[3141]: lookup_mount: exports lookup failed for XXXX
Jan 19 14:10:09 hostA automount[3141]: update_negative_cache: key "XXXX" not found in map.

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • automount

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