[NIFI-8475] EL query parser can produce wrong output when input contains multiple escaped expressions

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.13.2
• Fix Version/s: 1.14.0
• Component/s: Core Framework
• Assignee: Peter Turcsanyi
• Reporter: Peter Turcsanyi
• Created: 26/Apr/21 16:43
• Updated: 25/Jun/21 18:01
• Resolved: 25/Jun/21 18:00

Description

It can be replicated with GenerateFlowFile using 'Custom Text':

aaa $${var1} bbb
ccc $${var2} ddd

Output:

aaa ${var1}aaa ${var1} bbb
ccc ${var2} ddd

Expected output:

aaa ${var1} bbb
ccc ${var2} ddd

Issue Links

• links to: GitHub Pull Request #5031