Appian 17.1 / JBoss 6.4.11

I'm getting an error message when I try to start JBoss 6.4.11 after fresh installation of Appian 17.1:

05:02:01,141 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC000001: Failed to start service jboss.deployment.subunit."suite.ear"."web.war".component."com.appiancorp.rdbms.datasource.BusinessDataSourceValidator".WeldInstantiator: org.jboss.msc.service.StartException in service jboss.deployment.subunit."suite.ear"."web.war".component."com.appiancorp.rdbms.datasource.BusinessDataSourceValidator".WeldInstantiator: Failed to start service
          at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1936) [jboss-msc-1.1.6.Final-redhat-1.jar:1.1.6.Final-redhat-1]
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_121]
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_12...

OriginalPostID-264260

server.log