How to set TLS1.2 when using Java JiraRestClient

[sunny_yee]

Our Jira server deprecated TLS1 and TSE1.1, and broke our Java program that uses the Java Jira REST Api.   Is there a way to set the TLS version for the Java program and the api?    The program didn't set it previously

We're getting this error:

com.atlassian.jira.rest.client.RestClientException: com.sun.jersey.api.client.ClientHandlerException: javax.net.ssl.SSLException: Received fatal alert: protocol_version

I tried to use Java command line parameters to set the TLS version, but still get the errors.

-Dhttps.protocols=TLSv1.2 -Djdk.tls.client.protocols=TLSv1.2

We're still using an older Jira api library, jira-rest-java_client, version 1.2-m01.   I tried to change to version 5.2.0, but it resulted in a lot of compiler errors.   If we could stay with the older version, it will save us some time.

Thanks.

[sunny_yee]

Our devops say that the change to the TLS version is done to the server instance, where the program is running on.