Was the issue resolved for you? If yes, please let me know the answer as I am facing the similar issue.
@xdshi, I am using Talend 7.0.1 DI and the error is coming really unexpected. The first time, I noticed while the 2nd process was going on and now I am facing issue with the first process of the Job. Below is the error message.
What's Salesforce API version are you using?
I am using Salesforce API version 42.
Also, I suspect the issue might be due to the RAM memory. I have an OLD PC with 4GB RAM. Please let me know if this impact the process.
What's your largest batch size? Does it works when you swap to tSalesforceOutput component?