[Satellite 6.11] REX job fails with "Initialization error: RestClient::NotFound - 404 Not FoundError loading data from Capsule: NoMethodError - undefined method `code' for "404 Not Found"

Environment

• Red Hat Satellite 6.11
• Red Hat Capsule 6.10

Issue

• Remote Execution (REX) job from Satellie fails with "Initialization error: RestClient::NotFound - 404 Not FoundError loading data from Capsule: NoMethodError - undefined method `code' for "404 Not Found"

 1:Initialization error: RestClient::NotFound - 404 Not Found
 2:Initialization error: RestClient::NotFound - 404 Not Found
 3:Initialization error: RestClient::NotFound - 404 Not Found
 4:Initialization error: RestClient::NotFound - 404 Not FoundError loading data from Capsule: NoMethodError - 
 undefined method `code' for "404 Not Found":String
 5:Did you mean?  encode1:Initialization error: 

Resolution

• This content is not included.Bug 2056966 is fixed and included in the 6.11 release, so please upgrade the capsule to v6.11 as soon as possible

or

• Temporary Workaroung to use only Satellite for the REX

Disable Remote execution feature on the capsule

# satellite-installer --foreman-proxy-plugin-remote-execution-ssh-enabled false

Change the REX config via the web UI

Web ui, Administer, Remote Execution, 'Fallback to Any capsule' to 'yes', 'Enable Global Capsule' to 'No'

For more KB articles/solutions related to Red Hat Satellite 6.x Remote Execution Issues, please refer to the Red Hat Satellite Consolidated Troubleshooting Article for Red Hat Satellite 6.x Remote Execution Issues

Root Cause

• This content is not included.Bug 2056966 is fixed and included in satellite/capsule v6.11 release

Diagnostic Steps

• Run REX and it will fails with the below:

 1:Initialization error: RestClient::NotFound - 404 Not Found
 2:Initialization error: RestClient::NotFound - 404 Not Found
 3:Initialization error: RestClient::NotFound - 404 Not Found
 4:Initialization error: RestClient::NotFound - 404 Not FoundError loading data from Capsule: NoMethodError - 
 undefined method `code' for "404 Not Found":String
 5:Did you mean?  encode

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