[SPARK-8678] Default values in Pipeline API should be immutable

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.1
• Fix Version/s: 1.4.1, 1.5.0
• Component/s: ML, PySpark
• Target Version/s: 1.4.2, 1.5.0
• Assignee: Manoj Kumar
• Reporter: Manoj Kumar
• Created: 27/Jun/15 16:40
• Updated: 11/Aug/15 17:13
• Resolved: 30/Jun/15 17:30

Description

If the default params are mutable, then if the function or method is called again without any value for the default params, then the changed values are used.

Issue Links

• is related to: SPARK-9828 Should not share `{}` among instances