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How to change custom field from text to Labels

Adhikari Jitendra Kumar Das

Hi ,

As per my project requirement i have changes the custom field from text to Labels, While i am updating the values of custom filed i am getting groovy script error. Please suggest what could be the approch.

Error Stack :

java.lang.ClassCastException: java.lang.String cannot be cast to java.util.Set
at com.atlassian.jira.issue.customfields.impl.LabelsCFType.createValue(LabelsCFType.java:79)

Code:

CustomField cfEcpId = cfManager.getCustomFieldObjectsByName("ECP ID Label").first();

cf.updateValue(fieldLayoutItem, issue, new ModifiedValue(currentValue, newValue), new DefaultIssueChangeHolder());

Regards,

JItendra

Accepted answers

All comments

Nic Brough -Adaptavist-

You can't just change a field from one type to another.

Do you mean you have a label field that you are trying to copy some text into from another field?

Adhikari Jitendra Kumar Das

Hi,

Its not exactly changeing from one field to other , its like i am creating a new field with Lebel type and while processing through groovy script but not able to update the value .

Regard,

JItendra

Nic Brough -Adaptavist-

Ah, good, that's the right way to approach it.

The problem you have is that your script is not pushing the right type of data into the label field.

A string field is a string of letters. A label field is a collection of individual labels, each of which holds a string that is the name of the label.

In your code, the "newValue" going into the changeHolder needs to be a collection of labels. You'll need to read out the existing labels as a collection, then take the string you want to add to them, convert it into a set of labels you add to that collection, and post that back.

Adhikari Jitendra Kumar Das

Thanks Nic,

Can you help me with sample code if you have , I just want to update the custom field of Label type with certain value(Issue key).

I am not sure how to achieve this with labelmanager api or cf.updateValue method .

Regards,

JItendra

Chase B.

@Adhikari Jitendra Kumar DasI am interested in getting the code for this... I'm assuming you are running it in the Script Console?

I had come up with a solution that will effectively accomplish my intent over time with this post: https://community.atlassian.com/t5/Jira-Core-questions/ScriptRunner-Listener-Copy-free-text-custom-field-value-into-a/qaq-p/743690

However, being able to copy the free text values over to the new label field without having to wait for user-generated events would be amazing as some of our issues may never be edited.

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