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  1. Node.js Driver
  2. NODE-4493

Investigate NODE-4492 - NoSuchTransaction error when using promise.all

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    • Task
    • Status: Closed
    • Unknown
    • Resolution: Done
    • None
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    Description

      NODE-4492 Description

      What problem are you facing?

      What driver and relevant dependency versions are you using?

      Steps to reproduce?

      when using promise.all I sometimes get error such as:
      "MongoServerError: Given transaction number 5 does not match any in-progress transactions. The active transaction number is 4"

      {
      ok: 0,
      code: 251,
      codeName: 'NoSuchTransaction',
      '$clusterTime': {
      clusterTime: new Timestamp(
      { t: 1659288270, i: 1 }
      )},
      operationTime: new Timestamp(
      { t: 1659288270, i: 1 }
      ),
      [Symbol(errorLabels)]: Set(1)
      { 'TransientTransactionError' }
      } 

      code example:

      the logic is inside main function and I use setInterval to check how many times I get the error and it seems like more than 50% of the time I get such error.

      async function main(separateFirstCall) {
          const clientConnection = await client.connect();
          const db = await client.db(dbName);
          const collection = await db.collection('transaction-test');
          const session = clientConnection.startSession()
          const options = {
              readPreference: 'primary',
              readConcern: { level: 'local' },
              writeConcern: { w: 'majority' },
          }
          const names = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l']
          await session.withTransaction(async () => {
              await Promise.all(names.map(async name => {
                  try {
                      await collection.findOne({ name }, { session })
                  }
                  catch (e) {
                      console.log(e)
                  }
              }))
          }, options)
          return 'done'}   setInterval(() => {
          main()
              .then(console.log)
              .catch(console.error)
              .finally(() => client.close());
      }, 5000)

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              bailey.pearson@mongodb.com Bailey Pearson
              dbeng-pm-bot PM Bot
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                Created:
                Updated:
                Resolved: