Qlik Talend Cloud: Connection and Network Slow Issues between Talend Cloud and Talend Remote Engine

[tomoya_suto]

There are connection and Net Work Slow issues between Talend Cloud and Talend Remote Engine

The following errors are produced in the logs:

org.apache.http.conn.ConnectTimeoutException: Connect to pair.**.cloud.talend.com:443 [pair.**.cloud.talend.com/****,

Retry processing request to {s}-> pair.**.cloud.talend.com:443

org.apache.http.conn.ConnectTimeoutException: Connect to pair.**.cloud.talend.com:443 [pair.**.cloud.talend.com/****,
pair.**.cloud.talend.com/****, pair.**. 

Resolution

1. Check with your network team if you had any network issues at the time of occurrence. If you are using a proxy, and the logs are related to connection issues to your proxy server,please check that there are no issues connecting from the remote engine to the proxy server, and the proxy server to the URL you are connecting to (in this example, it would be the connection to Talend Cloud).
2. If you see the following error or any other connection errors that relate to problems connecting to pair.ap.cloud.talend.com, please check that you can connect to the service from the remote engine server.

   This service is used to communicate the status information for the Remote Engine such as its heartbeats and availability.

   
   

   org.apache.http.conn.ConnectTimeoutException: Connect to pair.**.cloud.talend.com:443 [pair.**.cloud.talend.com/****,pair.**.cloud.talend.com/****, pair.**.cloud.talend.com/****] failed: Connect timed out 

   Retrying request to {s}->pair.**.cloud.talend.com:443

3. If you see the following error or any other connection errors that relate to problems connecting to https://msg.**.cloud.talend.com:443, please check that you can connect to the service from the remote engine server.

   This service is used to communicate about task runs such as receiving, deploying, or undeploying events, and sending information about task run status and metrics.

   
   

   Failed to connect to [https://msg.**.cloud.talend.com:443] after: 1 attempt(s) with Failed to perform GET on: https://msg.**.cloud.talend.com:443 as response was: Connect to **** [****] failed: Connection refused: connect, continuing to retry.

4. Increase the timeout from the following setting. The default value will be 300 in seconds for each parameter. Go to file <RemoteEngine InstallationFolder>/etc/org.talend.ipaas.rt.deployment.agent.cfg and increase these two parameters value from 300 
   

   # In seconds
   wait.for.connection.parameters.timeout=300
   flow.deployment.timeout=300

   to 600

   # In seconds
   wait.for.connection.parameters.timeout=600
   flow.deployment.timeout=600

5. There may have been a Talend Cloud incident at the time of occurrence that may have caused connection issues. Please check Talend Cloud Status. For further investigation regarding Talend Cloud incidents, you can always contact our technical support team for assistance.

Cause 

There are connection issues and Network slow between Talend Cloud and Talend Remote Engine.

Related Content

If you access the Internet via a proxy, you need to add the following URLs to your allowlist.

Adding URLs to your proxy and firewall allowlist

Environment

Talend Cloud