KBEC-00483 - Property Expansion Exceeds Maximum Allowed Character Limit

Summary

You want to use a property whose value is extremely large in a Groovy job. When the property is expanded, you see the following error:

String too long. The given string is 85408 Unicode code units long, but only a maximum of 65535 is allowed.

Problem

This issue can occur if you expand properties using $[/path/to/property]. The way to understand this is as follows:

Prior to the script being executed by the Groovy interpreter, it is parsed by the CD interpreter and the $[myvar] notation is written as text into the Groovy script. Then the Groovy script simply has a string constant. There is a Groovy limitation where string constants cannot exceed 65535 characters.

Solution

Instead of expanding properties like:

$[/path/to/property]

You should instead use:

ef.getProperty(propertyName: "/path/to/property").property.value

This getProperty mechanism for retrieving the value is functionally equal to the $[/path/to/property] method, but the method is a Groovy method being executed in the script by the Groovy interpreter and so it comes in escaped for Groovy.

Environment

  • All

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