tSalesforceConnection_1 ComponentException: UNEXPE... - Qlik Community

edane

hey,

For several days now I have been receiving an error in TALEND STUDIO
When I try to perform a connection test between SALESFORCE and TALEND:
"tSalesforceConnection_1 ComponentException: UNEXPECTED_EXCEPTION"

From the SALESFORCE side I receive that the connection is successful but in TALEND I receive the error I listed above.

im tring to test connection at TEST - sandbox with custom domain not with https://test.salesforce.com

im using TALEND 8 patch - R2026-04

the salesforce upgraded to spring 2026.

thanks

Rahul_Kale

Hello edane,

Thank you for reaching out to the Qlik community.

The Talend job log clearly shows:-

tSalesforceConnection_1 ComponentException: UNEXPECTED_EXCEPTION java.lang.RuntimeException: UNEXPECTED_EXCEPTION

It fails inside the Salesforce connection component.
Salesforce side logs success, so authentication is likely OK.
Error occurs during API/session initialization, not login.

Also, you mentioned:
Talend 8 (R2026-04).
Salesforce Spring 2026.
Using the custom domain (My Domain) sandbox, not https://test.salesforce.com.

This combination is known to cause issues due to API endpoint handling changes + My Domain enforcement.

To deal with this issue, you can use:-

Login: test.salesforce.com ✔ Check "Use Sandbox"

Set: API version ≥ 60.0 and install a newer patch (R2026-05+).

Below are the documents that can help you:-

Talend Salesforce connection:-
https://help.talend.com/r/en-US/8.0/components/salesforce/tsalesforceconnection

Salesforce login endpoints:-
https://developer.salesforce.com/docs/atlas.en-us.api.meta/api/sforce_api_calls_login.htm

tSalesforceConnection_1 ComponentException: UNEXPECTED_EXCEPTION

Studio