vault auth help approle generates INTERNAL ERROR message

[DaleBingham]

Environment:

• Vault Version: 0.9.5
• Operating System/Architecture: Docker latest pull from DockerHub running on Mac OSX latest

Vault Config File:
{
"listener": [{
"tcp": {
"address": "0.0.0.0:8200",
"tls_disable" : 1
}
}],
"storage" :{
"file" : {
"path" : "/vault/data"
}
}
"max_lease_ttl": "10h",
"default_lease_ttl": "10h",
}

Startup Log Output:
none

Expected Behavior:
a printout of help for the approle authentication similar to 'vault auth help aws' and 'vault auth help github'

Actual Behavior:
INTERNAL ERROR! Found an auth method enabled at approle/, but its type "approle" is not registered in Vault. This is a bug and should be reported. Please open an issue at github.com/hashicorp/vault.

Steps to Reproduce:
Initialize Vault w/in docker w/ the config above. Setup the VAULT_ADDR appropriately. Initialize. Enable the approle auth. Then type the command above to get the error.

Important Factoids:
I am opening port 8200 with -p 8200:8200 w/in my Docker run command

References:
none

[DaleBingham]

what I ran:
docker run -d -v /Users/dalebingham/Projects/vault:/vault --cap-add=IPC_LOCK -p 8200:8200 --rm --name vault --privileged --hostname vault vault server

and then to get a shell into the container:
docker exec -it vault /bin/sh

[jefferai]

Duplicate of #4056