I just upgraded from Appian 7.5 to 7.10 on JBoss 6.4. On start up, the following

I just upgraded from Appian 7.5 to 7.10 on JBoss 6.4. On start up, the following exception is thrown. Any idea what is causing this error?

14:34:31,185 ERROR [stderr] (MSC service thread 1-3) log4j:ERROR Could not instantiate class [com.appiancorp.common.monitoring.SystemMetrics$Layout].
14:34:31,191 ERROR [stderr] (MSC service thread 1-3) java.lang.ClassNotFoundException: com.appiancorp.common.monitoring.SystemMetrics$Layout from [Module "deployment.suite.ear:main" from Service Module Loader]
14:34:31,192 ERROR [stderr] (MSC service thread 1-3) at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213)
14:34:31,192 ERROR [stderr] (MSC service thread 1-3) at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459)
14:34:31,193 ERROR [stderr] (MSC service thread 1-3) at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408)
14:3...

OriginalPostID-161528

OriginalPostID-161528