[LOG4J2-2276] ConcurrentModificationException from org.apache.logging.log4j.status.StatusLogger.<clinit>(StatusLogger.java:71)

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.10.0
• Fix Version/s: 2.11.0, 3.0.0
• Component/s: API

Environment

Server version: Apache Tomcat/8.5.23
Server built: Sep 28 2017 10:30:11 UTC

OS Name: Windows Server 2008 R2
Architecture: amd64

JVM Version: 1.8.0_151-b12
JVM Vendor: Oracle Corporation

JAR:
log4j-api-2.10.0.jar

• Assignee: Gary D. Gregory
• Reporter: Sean Baxter
• Created: 28/Feb/18 19:23
• Updated: 05/Mar/18 16:50
• Resolved: 01/Mar/18 00:24

Description

Looks like the class constructor in StatusLogger has an issue.

Caused by: java.util.ConcurrentModificationException

at java.util.Hashtable$Enumerator.next(Hashtable.java:1383)
at org.apache.logging.log4j.util.SystemPropertiesPropertySource.forEach(SystemPropertiesPropertySource.java:38)
at org.apache.logging.log4j.util.PropertiesUtil$Environment.reload(PropertiesUtil.java:330)
at org.apache.logging.log4j.util.PropertiesUtil$Environment.<init>(PropertiesUtil.java:322)
at org.apache.logging.log4j.util.PropertiesUtil$Environment.<init>(PropertiesUtil.java:310)
at org.apache.logging.log4j.util.PropertiesUtil.<init>(PropertiesUtil.java:69)
at org.apache.logging.log4j.status.StatusLogger.<clinit>(StatusLogger.java:71)
... 18 more