To login successfully through Google to Jira, you need to follow the below steps

Login Steps

Login through BASIC authentication for Jira Server:

1. From login screen Select Server Login.
    
2. Enter your site URL that could be for example:
   1. You can copy/paste the URL displayed in your browser for example in our case it is https://css.infosysta.com/secure/Dashboard.jspa.
   2. You can enter your base URL as jira.exmple.com or https://jira.exmple.com.
   3. Your site might contain context path so you need to enter it as jira.exmple.com/jira or https://jira.exmple.com/jira.
3. Enter your username and password that you usually used in your Jira site. 

Login through OAuth1.0a:

1. First Create Application link from Jira side.
2. From GTJ login screen Select Server Login.
   
3. Enter your Jira URL instance
4. Click Login through OAuth 1.0a
   

Login through OAuth2.0 for Jira Cloud:

1. From GTJ Login screen click on Cloud Login
   
   
2. Select your URL Jira instance from the drop-down
3. Click Accept