go compile error: unknown field in struct literal

Question

I have a go package that has the following struct:

package transforms type MqttConfig struct { Qos byte } type KeyCertPair struct { KeyFile string }

In my main.go, I import the package and use both of them liek this:

 import ( sdkTransforms "github.com/edgexfoundry/app-functions-sdk-go/pkg/transforms") type AWSMQTTConfig struct { MQTTConfig *sdkTransforms.MqttConfig KeyCertPair *sdkTransforms.KeyCertPair } config := AWSMQTTConfig{} //FIRST pair := &sdkTransforms.KeyCertPair{ KeyFile: mqttKey, } //SECOND mqttcfg := &sdkTransforms.MqttConfig{ Qos: 2, }

But only the second usage gives me this compile error:

unknown field 'Qos' in struct literal of type transforms.MqttConfig

I don't understand what's wrong.

Is it possible that you are pointing to a version of the sdkTransforms package that doesn't have that field for MqttConfig? — Burak Serdar
– Burak Serdar, Commented Oct 22, 2019 at 15:26
@bserdar Actually the MqttConfig changed recently and a new field was added, but Qos is an old field, should be already there. Is there any check I can make to see what version I am picking? The makefile looks ok. — gianpaolo
– gianpaolo, Commented Oct 22, 2019 at 15:32
@bserdar I have cloned the repo and it contains the correct struct, but in the go cache I have the old version. I don't know how to clean the environment but your answer is right. If you answer, I will vote — gianpaolo
– gianpaolo, Commented Oct 22, 2019 at 15:50
In your AWSMQTTConfig struct, MqttConfig and KeyCertPair are NOT embedded. But the error you shared in your question concerns transforms.MqttConfig, a different struct. Can you share the structure the error references ? — yazgazan
– yazgazan, Commented Oct 22, 2019 at 15:57

Burak Serdar · Accepted Answer · 2019-10-22 15:56:51Z

It is possible that you are pointing to a version of the sdkTransforms package that doesn't have that field for MqttConfig. You can do a go get <module> to get the latest version and try again.

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