amazon web services - Cannot Launch EMR Jobflow using Temporary Credentials from EC2 IAM Roles -


i have instance has been assigned ec2 iam role. cannot create emr jobflow instance using temporary credentials having role assigned instance provides, following response api:

  <error>     <type>sender</type>     <code>validationerror</code>     <message>service role , instanceprofile required calls made temporary credentials provided sts</message>   </error>

googling error message has revealed absolutely nothing. same response api whether use aws cli or boto directly. in attempt follow advice of error message, have tried passing {instanceprofile: <instance_profile_name>} api_params argument run_jobflow method in boto, still same error. tried using service_role argument run_jobflow, failed. passing both failed.

according page amazon docs, emr should support sts , ec2 iam roles, wondering if has gotten work before.

i got working in java. sam, specified service role , jobflow role. surprise me error instanceprofile required set jobflow role. ex:

myrunjobflowrequest.setservicerole("emr_defaultrole"); myrunjobflowrequest.setjobflowrole("emr_ec2_defaultrole")

the other thing did in cloud formation template, granted amazonelasticmapreducefullaccess policy instance role. ex:

"policies": [           {             "policyname": "amazonelasticmapreducefullaccess",             "policydocument": {               "statement": [                 {                   "effect": "allow",                   "action": "*",                   "resource": "*"                 }               ]             }           }

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