aws-sdk-v3-comprehend-issue.ts

import { ComprehendClient, DetectDominantLanguageCommand, DetectEntitiesCommand } from '@aws-sdk/client-comprehend';
import { Comprehend } from 'aws-sdk';

const comprehendClientv3 = new ComprehendClient(Container.get(ConfigurationProviderService).comprehend);
const comprehendClientv2 = new Comprehend(Container.get(ConfigurationProviderService).comprehend);
const text = 'Bob lives in Seattle. He is a software engineer at Amazon.'; //the example text from aws docs

try{
  const result = await this.comprehendClientv2.detectDominantLanguage({Text: text}).promise();
  console.log('result v2', result);
}catch(reject){
  console.log('reject', reject);
}
try{
  const command = new DetectDominantLanguageCommand({Text: text});
  const result = await this.comprehendClientv3.send(command);
  console.log('result v3', result);
}catch(reject){
  console.log('reject', reject);
}

//result v2:
{ Languages: [ { LanguageCode: 'en', Score: 0.9909641146659851 } ] }

//result v3:
Error: com.amazonaws.comprehend#ValidationException
        at deserializeAws_json1_1DetectDominantLanguageCommandError (/Users/maxgr/Documents/example/node_modules/@aws-sdk/client-comprehend/protocols/Aws_json1_1.ts:3501:39)
        at processTicksAndRejections (internal/process/task_queues.js:97:5) {
      __type: 'com.amazonaws.comprehend#ValidationException',
      '$fault': 'client',
      '$metadata': {
        httpStatusCode: 400,
        httpHeaders: {
          'x-amzn-requestid': '1d8398cd-6ee2-45cf-9064-679b8418e749',
          'content-type': 'application/x-amz-json-1.1',
          'content-length': '148',
          date: 'Mon, 30 Mar 2020 15:21:09 GMT',
          connection: 'close'
        },
        requestId: '1d8398cd-6ee2-45cf-9064-679b8418e749',
        retries: 0,
        totalRetryDelay: 0
      }
    }