Workflow Validator Not Working As Expected

I am try to create a workflow validator but instead of getting the message I put in my code I get 

This is my code:

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.link.IssueLinkManager
import com.opensymphony.workflow.InvalidInputException
import com.atlassian.jira.issue.IssueFieldConstants
import com.opensymphony.workflow.InvalidInputException
import webwork.action.ActionContext

def issueLinkManager = ComponentAccessor.getComponent(IssueLinkManager)
log.error("Outward Link: " + issueLinkManager.getOutwardLinks(issue.getId()).size())
log.error("Inward Link: " + issueLinkManager.getOutwardLinks(issue.getId()).size())
log.error("All Links: " + issueLinkManager.getIssueLinks(issue.getId()).size())

if (issueLinkManager.getOutwardLinks(issue.getId()).size() > 0){
throw new InvalidInputException("You cannot delete an issue with 1 or more links.")
}

 

Instead it gives me:

It seems that you have tried to perform an illegal workflow operation.

If you think this message is wrong, please contact your JIRA administrators.

2 answers

1 accepted

Do you have any screen configured in your transition?

If you don't have any, message is a little confusing. When you add a screen it will look much better.

 

You can also use Workflow PowerBox Plugin which delivers "Number of related issues validator" you can configure without scripting smile

Thanks.  I can see the error I throw now with my transitions screen.

0 vote

As Robert says, you get this message if you try to add a validator and there is no screen configured. Possibly it only happens when you specify that the error message should be associated with a field. It's a JIRA bug.

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