KubernetesAuthentication not working

[Dpun]

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Environment

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What Operating System are you using (both controller, and any agents involved in the problem)?

Ubuntu

Reproduction steps

Integrate Vault KubernetesAuthentication in spring boot project bootstrap.yml vault: authentication: KUBERNETES kubernetes: role: test kubernetes-path: kubernetes service-account-token-file: /var/vaultToken/token

    Issues on KubernetesAuthentication class 
    
    Assert.state(response != null && response.getAuth() != null, "Auth field must not be null");

Expected Results

it should not throw exception if response and response.getAuth() is non null.

Actual Results

getting exception Auth field must not be null

Anything else?

No response