Meituan-Dianping/mpvue · error

Error in ${info}: "${err.toString()}"

Error message

Error in ${info}: "${err.toString()}"

What it means

Standard error reporting from handleError: when an error propagates from a lifecycle hook, watcher, directive, or render call and no global config.errorHandler is installed, Vue logs the message including the info string identifying where the error occurred. The thrown/caught err itself is the root cause; this message is the wrapper that names the phase (info) that failed.

Source

Thrown at packages/weex-vue-framework/factory.js:537

      return '\n\nfound in\n\n' + tree
        .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
            ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
            : formatComponentName(vm))); })
        .join('\n')
    } else {
      return ("\n\n(found in " + (formatComponentName(vm)) + ")")
    }
  };
}

/*  */

function handleError (err, vm, info) {
  if (config.errorHandler) {
    config.errorHandler.call(null, err, vm, info);
  } else {
    if (process.env.NODE_ENV !== 'production') {
      warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
    }
    /* istanbul ignore else */
    if (inBrowser && typeof console !== 'undefined') {
      console.error(err);
    } else {
      throw err
    }
  }
}

/*  */
/* globals MutationObserver */

// can we use __proto__?
var hasProto = '__proto__' in {};

// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';

View on GitHub (pinned to 6c5d78ee04)

Solutions

1. Read the info argument and component trace to locate the failing hook or render function
2. Install Vue.config.errorHandler to capture errors centrally (e.g. for Sentry)
3. Fix the underlying err shown in the message

When it happens

Trigger: Thrown at packages/weex-vue-framework/factory.js:537 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Meituan-Dianping/mpvue@6c5d78ee04 (2026-09-02). Data as JSON: /api/errors/ec62fb17bc35efc3. Report an issue: GitHub.