CENT-OS ssh still asking for password after copying public key to authorized_keys

Question

debug2: key: /home/user/.ssh/identity ((nil)) debug2: key: /home/user/.ssh/id_rsa (0x55b9fa275e80) debug2: key: /home/user/.ssh/id_dsa ((nil)) debug2: key: /home/user/.ssh/id_ecdsa ((nil)) debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Next authentication method: gssapi-keyex debug1: No valid Key exchange context debug2: we did not send a packet, disable method debug1: Next authentication method: gssapi-with-mic reverse mapping checking getaddrinfo for host1-1.example.com [192.168.5.60] failed - POSSIBLE BREAK-IN ATTEMPT! debug1: Unspecified GSS failure. Minor code may provide more information Credentials cache file '/tmp/krb5cc_500' not found

debug1: Unspecified GSS failure. Minor code may provide more information Credentials cache file '/tmp/krb5cc_500' not found

debug2: we did not send a packet, disable method debug1: Next authentication method: publickey debug1: Trying private key: /home/user/.ssh/identity debug1: Offering public key: /home/user/.ssh/id_rsa debug2: we sent a publickey packet, wait for reply debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Trying private key: /home/user/.ssh/id_dsa debug1: Trying private key: /home/user/.ssh/id_ecdsa debug2: we did not send a packet, disable method debug1: Next authentication method: password user@192.168.5.60's password:

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I already have used ssh-copy-id and have restarted the sshd service.

Please help.