[GitHub] [pulsar-client-node] savearray2 commented on issue #119: Unhandled Promise Rejection On Failed createProducer

[GitBox <gi...@apache.org>]

savearray2 commented on issue #119:
URL: https://github.com/apache/pulsar-client-node/issues/119#issuecomment-690932567


   Well, this is strange.
   I cloned the project and created a simple js file to reproduce the error:
   ```js
   const Pulsar = require('.')
   const client = new Pulsar.Client({
   	serviceUrl: 'pulsar://this-will-fail:6650'
   })
   client.createProducer({
   	topic: 'persistent://a/b/c',
   }).then(() => {
   	console.log('success')
   }).catch((err) => {
   	console.log('normal err')
   	console.log(err)
   })
   ```
   
   This leads to the following output:
   ```
   # node test_me.js
   2020-09-11 16:39:03.046 INFO  [0x700008f87000] ConnectionPool:85 | Created connection for pulsar://this-will-fail:6650
   2020-09-11 16:39:03.058 ERROR [0x70000a813000] ClientConnection:469 | [<none> -> pulsar://this-will-fail:6650] Resolve error: asio.netdb:1 : Host not found (authoritative)
   2020-09-11 16:39:03.058 INFO  [0x70000a813000] ClientConnection:1387 | [<none> -> pulsar://this-will-fail:6650] Connection closed
   2020-09-11 16:39:03.058 ERROR [0x70000a813000] ClientImpl:181 | Error Checking/Getting Partition Metadata while creating producer on persistent://a/b/c -- ConnectError
   2020-09-11 16:39:03.058 INFO  [0x70000a813000] ClientConnection:238 | [<none> -> pulsar://this-will-fail:6650] Destroyed connection
   normal err
   [Error: Failed to create producer: ConnectError]
   [1]    45767 segmentation fault  node test_me.js
   ```
   
   This still seems to be related to the comment in the NAPI repository mentioned above. According to the comment, a change needed to be made so that exceptions do not occur on exit.
   
   I'd like to get some input from you guys on how to proceed.


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