Clear the value of "Parent Link" field when creating a new issue

[Abhishek Kalamkar]

When creating a new issue, I need to clear the parent field. Parent link should be empty. 

I have tried multiple options like 

{
    "fields": {
        "parent": null  
    }
}

and 

{
"update" : {
"Parent Link" : [{"set": []}]
}
}

does not seems to work. 

can you please help to sort the issue out. 

[kevin conroy · Accepted solution]

I know it's bad form to answer your own question, but in the spirit of helping others with this issue, but stackoverflow had this q&a

This pointed the finger at the format of cacerts, so I hacked atlas-run to add the following to the default maven options. This solved my problem.

-Djavax.net.ssl.trustStorePassword=changeit

As I know little about what this does/did or why it was broken in the first place, I put this up for those smarter than me to add their advice