[LOG4J2-2101] non-string value MapMessage ClassCastException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.1
• Fix Version/s: 2.10.0
• Component/s: Filters
• Assignee: Mikael Ståldal
• Reporter: Carter Kozak
• Created: 06/Nov/17 18:08
• Updated: 30/Nov/17 19:28
• Resolved: 11/Nov/17 21:48

Description

Using a MapFilter with a MapMessage containing non-string values results in a ClassCastException attempting to cast values to strings.

ClassCastException: java.lang.Long cannot be cast to java.lang.String
    at org.apache.logging.log4j.message.MapMessage.get(MapMessage.java:214)
    at org.apache.logging.log4j.core.filter.MapFilter.filter(MapFilter.java:87)
    at org.apache.logging.log4j.core.filter.MapFilter.filter(MapFilter.java:79)
    at org.apache.logging.log4j.core.filter.AbstractFilterable.isFiltered(AbstractFilterable.java:182)
    at org.apache.logging.log4j.core.config.AppenderControl.isFilteredByAppender(AppenderControl.java:151)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:128)

Issue Links

• links to: GitHub Pull Request #124
• links to: GitHub Pull Request #129