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Automation rule encountered newline and failed

Is there a way to copy a field (i.e. the Summary) during a rule to create a new issue WITHOUT encountering this error:


The summary is invalid because it contains newline characters. (summary)

2 answers

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John Funk Community Leader Apr 06, 2021

Hi Paula,

Yes, you should be able to do that. What exactly are you trying to do? Or can you share the rule that you have so far? 

The rule creates a related issue and sets the summary and description by copying from the parent issue and, for the summary, appends:

{{issue.summary}} Access [Security KnowBe4+Git+AWS] 

I need to strip the newline from the Summary before it is copied to avoid the error.

Hi @Paula Manildi 

I wonder how the newline got on your summary.  Doing this should remove it:


Best regards,


I will try this [what if the last character ISN'T a newline - will a trim work just to remove unseen character or space but not a real character?] Thanks!

I believe trim() removes any whitespace characters at the start or end of the field:

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John Funk Community Leader Apr 06, 2021

Also, are you wanting to copy the Summary over from the initial ticket? If so, then it would look like:

{{triggerissue.summary}} Access [Security KnowBe4+Git+AWS]

Copy Description from Current issue seems to be working fine.

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Configuration change is working - since I am not going to try to put a newline in an issue I just have to monitor. The original issue probably came from a cut and paste.

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I have a solution for this: use {{issue.summary.replaceAll("\n", "")}} to remove all newline characters ("\n") instead of {{issue.summary}}.


i've tried your method {{issue.summary.replaceAll("\n", "")}} , but in one case i got an issue on " is invalid because it contains newline characters"

on "lorem p\n ipsum" input text (p\n is aka Part number)

May be you have any insights and ideas? 

Hi @kon

Can you clarify your case further? are you cloning an issue and the content "lorem p\n ipsum" is from the summary of the source issue?

Hi, Phong, 

actually my rule is for description field (but i think idea is same as with summary)

i am copying part of description to summary and want copy without line breaks (otherwise summary will not take it)

"fields": {
"summary": "{{issue.description.abbreviate(254).replaceAll("\n", " ")}}"

in most cases it works well, except of when user entered p\n to description "lorem p\n ipsum"

Hi @Konstantin Gagac 

What are you expecting the outcome to be for that replacement?

When you use "\n" in the replaceAll() and other functions, it represents the newline character, and not the literal value.

Kind regards,

Hi @Konstantin Gagac
The previous function that I mentioned works fine via the Inteliji IDE (Java JDK 8) but somehow doesn't work with Jira:


Anyway, I retested in the Jira Automation and found this correct one:

{{Description.replace("\\n", "")}}

(Note: Kindly notice that it should be "\\n" with double "\\")


Test result:

Screen Shot 2022-10-01 at 12.22.14.png

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Thankx, i checked your suggestion anf yes it works with replace, but not with replaceAll

i will test with replace for longer time

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