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https://issues.apache.org/jira/browse/FLINK-37825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17953298#comment-17953298
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Junrui Lee commented on FLINK-37825:
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I think the issue is that your dev code does not adhere to standard YAML
syntax: duplicate keys are not allowed.
Standard YAML does not allow duplicate keys in a map. It states that "The
content of a mapping node is an unordered set of key/value node pairs, with the
restriction that each of the keys is unique." For more details, please refer
to: [https://yaml.org/spec/1.2.2/#nodes] or Flink doc:
[https://nightlies.apache.org/flink/flink-docs-master/docs/deployment/config/#migrate-from-flink-confyaml-to-configyaml]
> Standard YAML convert and dump failed
> -------------------------------------
>
> Key: FLINK-37825
> URL: https://issues.apache.org/jira/browse/FLINK-37825
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / YARN
> Affects Versions: 1.20.1
> Reporter: melin
> Priority: Major
> Attachments: image-2025-05-21-21-20-35-658.png
>
>
> By adding hadoop parameters through the code, the startup has two keys
> containing shortcircuit, resulting in the failure of submitting the yarn
> cluster.
> !image-2025-05-21-21-20-35-658.png!
> !image-2025-05-19-17-20-14-702.png!
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