Why getting a permission denied (public key) error for SCP when SSH works

amazon ec2scp

I'm trying to copy a file from my local host to my Amazon EC2 instance using SCP and receiving the error:

Warning: Identity file blocks_key.pem not accessible: No such file or directory.
Permission denied (publickey).
lost connection

The command that prompts this error is:

scp -i ~/Desktop/Blocks/blocks_key.pem ~/Desktop/Blocks/code/www/uploadtest.html ubuntu@ip.address:/var/www

I was able to SSH using the same -i ~/Desktop/Blocks/blocks_key.pem so I'm unclear why this isn't working correctly. Any insight would be much appreciated!

Debugging info:

OpenSSH_5.3p1 Debian-3ubuntu7, OpenSSL 0.9.8k 25 Mar 2009
Warning: Identity file /Desktop/Blocks/blocks_key.pem not accessible: No such file or directory.
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 184.73.234.234 [184.73.234.234] port 22.
debug1: Connection established.
debug1: identity file /home/ubuntu/.ssh/identity type -1
debug1: identity file /home/ubuntu/.ssh/id_rsa type -1
debug1: identity file /home/ubuntu/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3p1 Debian-3ubuntu7
debug1: match: OpenSSH_5.3p1 Debian-3ubuntu7 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu7
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host '184.73.234.234' is known and matches the RSA host key.
debug1: Found key in /home/ubuntu/.ssh/known_hosts:1
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /home/ubuntu/.ssh/identity
debug1: Trying private key: /home/ubuntu/.ssh/id_rsa
debug1: Trying private key: /home/ubuntu/.ssh/id_dsa
debug1: No more authentication methods to try.
Permission denied (publickey).
lost connection

Thanks

Best Answer

Perhaps you've found a bug?

Another way of doing the same thing (wonder if this works for you?):

scp -oIdentityFile=/Users/emmie/Desktop/Blocks/blocks_key.pem ~/Desktop/Blocks/code/www/uploadtest.html ubuntu@ip.address:/var/www

Also, it might help (just curious) if you post the output of:

stat /Users/emmie/Desktop/Blocks/blocks_key.pem

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