Did the IBM MobileFirst client miss the call to handleFailure?

I am currently utilizing the IBM MFP Web SDK along with the provided code snippet to send challenges and manage responses from the IBM MobileFirst server. Everything functions properly when the server is up and running. However, I have encountered an issue where the failure handler does not get triggered in case of a connection failure. Despite this, the library does output "Host is not responsive" in the browser console.

onInit() {
  this.authHandler = WL.Client.createSecurityCheckChallengeHandler(CHECK_NAME);
  this.authHandler.handleChallenge = this.onChallenge;
  this.authHandler.handleSuccess = this.onSuccess;
  this.authHandler.handleFailure = this.onFailure;
};

onChallenge = () => {
  // display the challenge form...
};

onSuccess = (data) => {
  console.log(data)
};

onFailure = (error) => {
  console.log(error.failure || error.errorMsg || 'Failed to login');
};

login(username: string, password: string): void {
  let data = {
    username: username,
    password: password
  };
  this.authHandler.submitChallengeAnswer(data);
}

Answer №1

HandleFailure function is invoked only when the client receives a challenge from the server and fails to respond.

Due to the server being unresponsive, the challenge handler never activates and the handlefailure function does not execute.

The client will generate an error message stating Host is not responsive in an API call (e.g., wlresourcerequest, obtainaccesstoken) while attempting to access a protected resource.

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