azure-sdk-for-java: [BUG] JCA client stuck on KeyStore engineGetCertificate

Describe the bug I am using azure-security-keyvault-jca:1.0.1, and load a AzureKeyVault KeyStore When I call keystore.aliases(), it endless stuck

Exception or Stack Trace Not a crash, the last log is Aug 09, 2021 11:14:17 AM com.azure.security.keyvault.jca.AuthClient getAccessToken INFO: Getting access token using client ID / client secret

To Reproduce it doesn’t happen all the time, but we do have this stuck for few times a week. When this happens, another azure key vault under same account has also this problem

Code Snippet

    Security.addProvider(new KeyVaultJcaProvider());
    KeyStore azureKeyStore = KeyStore.getInstance("AzureKeyVault");
    KeyVaultLoadStoreParameter parameter = new KeyVaultLoadStoreParameter(keyVaultUri, tenantId, clientId, cientSecret);
    azureKeyStore.load(parameter);
    azureKeyStore.aliases(); ---- this code lin stuck

Expected behavior the stuck should never happens

Screenshots no screen shot

Setup (please complete the following information):

• OS: MacOS, or UBI8 Container with Java 8
• IDE: IntelliJ for dev or Java 8 for production
• Library/Libraries: azure-security-keyvault-jca:1.0.1
• Java version: 8
• App Server/Environment: Embedded Jetty
• Frameworks: Spring Boot

If you suspect a dependency version mismatch (e.g. you see NoClassDefFoundError, NoSuchMethodError or similar), please provide No

Additional context Add any other context about the problem here.

Information Checklist Kindly make sure that you have added all the following information above and checkoff the required fields otherwise we will treat the issuer as an incomplete report

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