[LOG4J2-2320] AbstractLogger NPE hides actual cause when getFormat returns null

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.11.0
• Fix Version/s: 3.0.0
• Component/s: Core
• Assignee: Carter Kozak
• Reporter: Carter Kozak
• Created: 17/Apr/18 18:19
• Updated: 24/Apr/18 13:40
• Resolved: 17/Apr/18 19:23

Description

NPE on Message.getFormat().length()

java.lang.NullPointerException: null
        at org.apache.logging.log4j.spi.AbstractLogger.handleLogMessageException(AbstractLogger.java:2184) ~[log4j-api-2.11.0.jar:2.11.0]
        at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2173) ~[log4j-api-2.11.0.jar:2.11.0]
        at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2125) ~[log4j-api-2.11.0.jar:2.11.0]
        at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2108) ~[log4j-api-2.11.0.jar:2.11.0]
        at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1827) ~[log4j-api-2.11.0.jar:2.11.0]
        at org.apache.logging.log4j.spi.AbstractLogger.trace(AbstractLogger.java:2272) ~[log4j-api-2.11.0.jar:2.11.0]