[Query] Issue with running spring boot application on azure spring apps with key vault configuration. Using Service principal auth.

[kirankumar994]

I have a spring boot application, using key vault to store my mongodb credentials. I am using service principal authentication to connect with azure key vault. The application is currently running on local env after log in with az login service principal. But, when I am trying to deploy it on azure spring cloud, I am getting the below exception

I am using the below dependency

com.azure.spring
spring-cloud-azure-starter-keyvault
5.11.0

java.lang.IllegalStateException: Failed to configure KeyVault property source

`
@value("${spring.cloud.azure.keyvault.secret.property-sources[0].endpoint}")
private String keyVaultEndpoint;

@Value("${azure.keyvault.client-id}")
private String clientId;

@Value("${azure.keyvault.client-key}")
private String clientSecret;

@Value("${azure.keyvault.tenant-id}")
private String tenantId;

@Bean
public SecretClient createSecretClient() {

    ClientSecretCredential clientSecretCredential = new ClientSecretCredentialBuilder()
            .clientId(clientId)
            .clientSecret(clientSecret)
            .tenantId(tenantId)
            .build();

    // Azure SDK client builders accept the credential as a parameter.
    return new SecretClientBuilder()
            .vaultUrl(keyVaultEndpoint)
            .credential(clientSecretCredential)
            .buildClient();
}`

This is the Bean I kept in my mongodb config class. I am using the same service principal to deploy from local. And, it is getting deployed as well, but the application failed to start due to above exception. I tried with managed identity as well but no luck. I wanted to use service principal to connect with azure key vault as well. Please help me where am I doing wrong. 

Why is this not a Bug or a feature Request?
A clear explanation of why is this not a bug or a feature request?

Setup (please complete the following information if applicable):

• OS: [e.g. iOS]
• IDE: [e.g. IntelliJ]
• Library/Libraries: [e.g. com.azure:azure-core:1.16.0 (groupId:artifactId:version)]

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[github-actions]

@chenrujun @moarychan @Netyyyy @saragluna

[github-actions]

Thank you for your feedback. Tagging and routing to the team member best able to assist.

[kirankumar994]

Hi all,
I have been waiting for the response here. Thank you so much in advance.