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Dushyanth VutkuriDushyanth Vutkuri 

Data Loader Certificate Unknown

Problem: The connection from Data Loader to the SalesForce URL is failing in the SSL handshake due to a fatal “Certificate Unknown” alert associated with the Data Loader not trusting the Organisation(company's) certificate. Proxy details were given in the Data loader settings and we did try OAuth and Password Authentication.

Details:
  • Version of Data Loader -  38.0.1
  • Version of Java JRE being used - 1.8.0
  • Location of Java Key Store into which the Organization(Company's) certificates were installed - Java\jre1.8.0_121\lib\security
  • We ran into similiar error, when we tried to connect to salesforce from eclipse force.com IDE, but that was resolved after the orginasation(Compnay's) certs were installed into JAVA. Eclipse version - Mars.2 Release (4.5.2)
Karthik KKarthik K
Can you try downloading the latest version of Dataloading and make sure the proxy details are updated. 
Dushyanth VutkuriDushyanth Vutkuri
We did try that, no luck!
 
SantoshMohantySantoshMohanty
@Dushyanth Vutkuri
did you fix it in anyways ?