[WICKET-6942] Replace usage of log4j 1.x in tests and wicket-examples with slf4j-simple

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 9.7.0
• Fix Version/s: 10.0.0-M1, 8.14.0, 9.8.0
• Assignee: Martin Tzvetanov Grigorov
• Reporter: Martin Tzvetanov Grigorov
• Created: 30/Dec/21 10:02
• Updated: 10/Jan/22 05:11
• Resolved: 30/Dec/21 10:59

Description

Log4j 1.x is deprecated since several years.

There was a recent CVE about JMSAppender that does not affect Wicket but still it would be good to replace it with something that is maintained.