How to sync issues one to one between two another instance of jira (On premise)?

General Questions
1

We want to synchronize issues one to one between two another instance of jira (On premise), one way (sync issues from source instance to destination instance). I was testing sync with scripting and I noticed some problems in destination issues.

Symptoms

After synchronization issue:

  1. In destination issue in Dates section fields “Updated” and “Resolved” are not correct. (See screenshots, source_issue_dates.png and destination_issue_dates.png)

  2. In destination issue in history of issue, user, who made changes is not correct (See screenshots, source_issue_made_changes.png and destination_issue_made_changes.png ). Comments are correct.

How can I fix it?
How can I mapping users in sync rules (regarding changeHistory) to resolve the problem?

Outgoing sync rules (part of rules) in the source instance:

replica.comments = issue.comments

replica.created = issue.created
replica.updated = issue.updated
replica.resolved = issue.resolved

replica.changeHistory = issue.changeHistory

Incoming sync rules (part of rules) on the destination instance:

issue.created = replica.created
issue.updated = replica.updated
issue.resolved = replica.resolved

issue.changeHistory = replica.changeHistory

issue.comments = commentHelper.mergeComments(issue, replica){
it.executor = nodeHelper.getUserByUsername(it.author?.username)
}

(It was originally asked on the Exalate Support Portal on June 17, 2025)

2

For the users, used the following and it worked:

issue.changeHistory = replica.changeHistory.collect { change ->
def remoteHistoryUserKey = change.author?.key
change.**author** = nodeHelper.**getUser** (userMapping[remoteHistoryUserKey] ?: remoteHistoryUserKey)
return change
}

We checked easier option about sync Resolution Date and it also works without technical customfield.

  1. Outgoing sync rule in source instance:

replica.resolutionDate = issue.resolutionDate

  1. Incomig sync rule in the destination instance:

issue.resolutionDate = replica.resolutionDate

4

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