Why do errors like "lookup_mount: exports lookup failed for <hostname>" appear in /var/log/messages on NFS clients configured to use autofs?

Solution Verified - Updated -

Issue

  • automount produces errors in /var/log/messages on the client side whenever an NFS share is accessed:

    Jan 27 09:25:07 <hostname> automount[2722]: lookup_mount: exports lookup failed for psadl9 
    Jan 27 09:25:07 <hostname> automount[2722]: create_udp_client:90: hostname lookup failed: Operation not permitted 
    Jan 27 09:25:07 <hostname> automount[2722]: create_tcp_client:299: hostname lookup failed: Operation not permitted 
    
    Jan 27 10:32:43 <hostname> automount[2851]: lookup_mount: exports lookup failed for psadl9 
    Jan 27 10:32:43 <hostname> automount[2851]: create_udp_client:90: hostname lookup failed: Operation not permitted 
    Jan 27 10:32:43 <hostname> automount[2851]: create_tcp_client:299: hostname lookup failed: Operation not permitted
    

Environment

  • Red Hat Enterprise Linux
  • autofs
  • nfs

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