[GROOVY-9709] Date.format throws groovy.lang.MissingMethodException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Bug
• Affects Version/s: 3.0.5, 2.5.13
• Component/s: groovy-runtime
• Environment: Ubuntu 18.04.5 LTS ; OpenJDK Java 1.8.0_265 (Private Build 25.265-b01) ; Gradle 5.6.3
• Assignee: Unassigned
• Reporter: Sam Gleske
• Created: 01/Sep/20 05:16
• Updated: 01/Sep/20 15:10
• Resolved: 01/Sep/20 15:10

Description

Description

Date.format appears broken in Groovy 2.5 and later.

Example code

// Works in Groovy 2.4.20 but throws groovy.lang.MissingMethodException
// in Groovy 2.5.13 and 3.0.5

new Date().format('YYYYMMdd')

Expected behavior

Returns the current date formatted as a string.  e.g. 20200901

Actual behavior

Throws exception.

groovy.lang.MissingMethodException: No signature of method: java.util.Date.format() is applicable for argument types: (String) values: [YYYYMMdd]
Possible solutions: from(java.time.Instant), stream(), getAt(java.lang.String), parse(java.lang.String), print(java.lang.Object), print(java.io.PrintWriter)

Groovy version matrix

Groovy version	Behavior
2.4.20	Returns date
2.5.13	throws exception
3.0.5	throws exception