AWS Greengrass - Erro with public component version

Question

Hello,

I currently have an Ubuntu device running AWS Greengrass Core Device with different components installed. When trying to update the version of the public component aws.greengrass.clientdevices.mqtt.Bridge and other components the deploy fails. Reviewing the log file greengrass.log I discover the next error:

Failed to negotiate version with cloud and no local version to fall back to. {componentName=aws.greengrass.Nucleus, versionRequirement={aws.greengrass.LogManager=>=2.1.0 <2.8.0, aws.greengrass.Cli=>=2.5.0 <2.8.0, aws.greengrass.StreamManager=>=2.0.0 <2.6.0, aws.greengrass.clientdevices.IPDetector=>=2.2.0 <2.9.0, aws.greengrass.clientdevices.Auth=>=2.6.0 <2.9.0}}

The surprising thing is that it requires non-existing versions, like for the component aws.greengrass.clientdevices.IPDetector (latest version is 2.1.4) or aws.greengrass.clientdevices.Auth (latest version 2.2.3)

Thank you very much in advance. All the best.

Alberto

Accepted Answer

Hi Alberto,

what this message is saying is that your deployment cannot find a version of the Nucleus component which is compatible with the requirements of the components being deployed.  In particular the issue comes from Auth requiring a version >=2.6.0 and StreamManager requiring a version <2.6.0.

To fix, review your deployment and in the configuration step ensure you select the latest version for each one of the components included.

You can also force a specific version of the Nucleus component by including it in the deployment and specifying the version in the deployment.

Cheers,

Massimimliano

AWS Greengrass - Erro with public component version

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