No current user error

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• I have searched for duplicate or closed issues and discussions.
• I have read the guide for submitting bug reports.
• I have done my best to include a minimal, self-contained set of instructions for consistently reproducing the issue.

JavaScript Framework

React Native

Amplify APIs

Authentication

Amplify Categories

auth

Environment information

 System:
    OS: Linux 5.11 Ubuntu 20.04.2 LTS (Focal Fossa)
    CPU: (6) x64 Intel(R) Core(TM) i5-9600K CPU @ 3.70GHz
    Memory: 703.03 MB / 15.31 GB
    Container: Yes
    Shell: 5.0.17 - /bin/bash
  Binaries:
    Node: 10.24.1 - ~/.nvm/versions/node/v10.24.1/bin/node
    Yarn: 1.22.5 - /usr/bin/yarn
    npm: 6.14.12 - ~/.nvm/versions/node/v10.24.1/bin/npm
    Watchman: 4.9.0 - /usr/local/bin/watchman
  Browsers:
    Chrome: 90.0.4430.85
    Firefox: 92.0
  npmPackages:
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    @types/react-native: ^0.57.49 => 0.57.65 (0.64.11)
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    @types/react-native-modalbox: ^1.4.8 => 1.4.8 
    @types/react-native-phone-input: ^0.2.1 => 0.2.1 
    @types/react-native-snap-carousel: ^3.8.2 => 3.8.4 
    @types/react-native-tab-view: ^2.3.0 => 2.3.0 
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    BasicExample:  0.0.1 
    CustomLibraryPicker:  0.0.1 
    CustomPicker:  0.0.1 
    HelloWorld:  0.0.1 
    PDFExample:  0.0.1 
    Sample:  0.0.1 
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    appcenter-crashes: 2.6.1 => 2.6.1 
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    fs: 0.0.1-security => 0.0.1-security 
    hermes-inspector-msggen:  1.0.0 
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    i18n-parser: ^1.0.0 => 1.0.0 
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    lodash: ^4.17.11 => 4.17.21 (4.17.11)
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    react-native-calendars: ^1.403.0 => 1.1264.0 
    react-native-camera: ^3.44.1 => 3.44.3 
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    react-native-collapsible: ^1.4.0 => 1.6.0 
    react-native-config: ^0.11.7 => 0.11.7 
    react-native-country-flags: ^1.1.0 => 1.1.0 
    react-native-country-picker-modal: ^1.8.1 => 1.11.0 
    react-native-dark-mode: ^0.2.2 => 0.2.2 
    react-native-device-info: ^5.5.3 => 5.6.5 
    react-native-disable-battery-optimizations-android: ^1.0.7 => 1.0.7 
    react-native-dropdown-picker: ^3.7.1 => 3.8.3 
    react-native-exit-app: ^1.1.0 => 1.1.0 
    react-native-fs: ^2.18.0 => 2.18.0 
    react-native-gesture-handler: ^1.5.3 => 1.10.3 
    react-native-gifted-chat: ^0.16.3 => 0.16.3 
    react-native-i18n: ~2.0.12 => 2.0.15 
    react-native-image-picker: ^4.0.3 => 4.0.4 
    react-native-interactable: ^2.0.1 => 2.0.1 
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    react-native-modal: ^11.5.6 => 11.10.0 
    react-native-modalbox: ^1.7.1 => 1.7.1 
    react-native-notifications: ^3.4.1 => 3.5.0 
    react-native-paper: ^2.15.2 => 2.16.0 
    react-native-pdf: ^6.0.0 => 6.3.0 
    react-native-permissions: ^2.0.9 => 2.2.2 
    react-native-phone-input: ^0.2.4 => 0.2.4 
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    react-native-ratings: ^7.3.0 => 7.6.1 
    react-native-reanimated: 1.9.0 => 1.9.0 
    react-native-responsive-screen: ^1.2.2 => 1.4.2 
    react-native-restart: 0.0.17 => 0.0.17 
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    src:  undefined ()
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  npmGlobalPackages:
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Describe the bug

Sometimes for some reason we get an “No current user” error.

Expected behavior

No error

Reproduction steps

During token update

Code Snippet

const data = (await Auth.currentSession()).getIdToken();
const token = data.getJwtToken();

Log output

// Put your logs below this line

aws-exports.js

No response

Manual configuration

No response

Additional configuration

No response

Mobile Device

No response

Mobile Operating System

No response

Mobile Browser

No response

Mobile Browser Version

No response

Additional information and screenshots

Good day!

Our users get an error from time to time when trying to update a token. We update the token like this:

const data = (await Auth.currentSession()).getIdToken(); … = data.getJwtToken();

Basically, there are no problems with this, but sometimes for some reason we get an “No current user” error.

Please tell me how can I fix this behavior?

[RomanBob123]

Hi @RomanBob123 wave are you still experiencing this issue? If so, have you been able to capture what the Amplify debug logs and/or network requests might’ve looked like?

Yea. We still have it sometimes.

[chrisbonifacio]

@vdhpieter Looks like you’re trying to use the Auth library in a Next application and on the server side. In your scenario, I think you should be using withSSRContext to initialize an Auth instance using the context from the request similar to this:

export const getServerSideProps = async ({ req }) => {
  const { Auth } = withSSRContext({ req });

  let user;

  try {
    user = await Auth.currentAuthenticatedUser();

    return {
      props: {
        user: JSON.stringify(user),
        error: null,
      },
    };
  } catch (error) {
    return {
      props: {
        user: null,
        error: JSON.stringify(error),
      },
    };
  }
};

Note: I’m using a try/catch in my server code when checking for user info because if the “No current user” error is thrown from the server, it will page will prevent the page from loading.

For more information: https://docs.amplify.aws/lib/ssr/q/platform/js/#withssrcontext

Also worth noting - Amplify must load on the client at least once in order to detect and store in either local storage or cookie whether a user is authenticated or not. Otherwise, you’re probably going to get the “No current user” error.

See this comment: https://github.com/aws-amplify/amplify-js/issues/8011#issuecomment-839191759 and the one right after offer some more insight on how/when to handle authentication either through _app.js or separate pages.