Upstream of log4j-jboss-logmanager contains a bug fix for serializing the ThrowableInformation correctly.
James Perkins <jperkins> made a comment on jira WFLY-1302 Pull request merged
QA_ACK granted, new version contains only mentioned bug fix https://github.com/jboss-logging/log4j-jboss-logmanager/commits/1.0.2.Final
Verified with 6.1.1.ER2: [jmartisk@dhcp-4-155 jboss-eap-6.1.1.ER2]$ pwd /home/jmartisk/EAP6/builds/jboss-eap-6.1.1.ER2 [jmartisk@dhcp-4-155 jboss-eap-6.1.1.ER2]$ ls modules/system/layers/base/org/jboss/log4j/logmanager/main/ log4j-jboss-logmanager-1.0.2.Final-redhat-1.jar module.xml