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From my expirience start practicing groovy is simple if you have some JAVA programming basis. Groovy is special script language that fully accepts JAVA syntax. Means if you have java code, you can pass it to Groovy interpreter and it will work (i don't know how about JAVA 8, but up to JAVA 7 syntax is fully compatible). If you are targeting Groovy development in JIRA environment so you also need some basic idea about JIRA JAVA API.
I started practising groovy using Script Runner's 'Script Console' and an open project in Eclipse. Eclipse's code completion is very helpful if you don't know the JIRA API entirelly. Then just put it into Script console and run.
Returning to Groovy you should go through some Groovy tutorial (easily found using goole) to learn basics about closures, managing arrays/lists/maps, generally collections. There are many convenient methods/tricks which can speed up your programming. Personally i go through this tutorial but only with issues i needed.
Generally if you have not JAVA and JIRA API basics it will be very challanging for you. Anyway, good luck!
Couple of additional resources: http://igorpopov.io/2014/11/24/rocking-with-jira-script-runner/ and https://scriptrunner.adaptavist.com/latest/common/DevEnvironment.html. Plus quite a lot more useful stuff floating around on the interwebs.
How to get API Token from JIRA Server (Note:Not for Jira cloud), Actually i am trying to push some records from Salesforce to JIRA..So i need it
Previously in my another POC i was able to connect from SFDC to JIRA cloud by the API token from JIRA cloud (profile --> Manage your Account-->Security-->API token-->Create and manage API tokens--> Manage your account-->API tokens)
But in JIRA Server instance dont know from where to get API Token
Last week Megan Cook, Head of Jira Software and Mahreen Khan, PhD, Organizational Psychology hosted an “ask me anything” session focused on the psychology of agile teams. We received 22 questions, 16...
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