Random hang during startup

11:09:57,347 INFO  [org.jboss.modules] JBoss Modules version 1.1.0.CR4
11:09:57,620 INFO  [org.jboss.msc] JBoss MSC version 1.0.1.GA
11:09:57,672 INFO  [org.jboss.as] JBoss AS 7.1.0.Beta1 "Tesla" starting
11:09:58,758 INFO  [org.xnio] XNIO Version 3.0.0.CR4
11:09:58,770 INFO  [org.xnio.nio] XNIO NIO Implementation Version 3.0.0.CR4
11:09:58,775 INFO  [org.jboss.as] Creating http management service using  socket-binding (management-http)
11:09:58,782 INFO  [org.jboss.remoting] JBoss Remoting version 3.2.0.CR3
11:09:58,855 INFO  [org.jboss.as.logging] JBAS011502: Removing bootstrap log handlers
11:09:58,870 INFO  [org.jboss.as.security] (ServerService Thread Pool -- 42) Activating Security Subsystem
11:09:58,893 INFO  [org.jboss.as.remoting] (MSC service thread 1-2) Listening on /127.0.0.1:29999
11:09:58,894 INFO  [org.jboss.as.remoting] (MSC service thread 1-2) Listening on /127.0.0.1:24447
11:09:58,900 INFO  [org.jboss.as.clustering] (ServerService Thread Pool -- 29) JBAS010300: Activating Infinispan subsystem.
11:09:58,905 INFO  [org.jboss.as.naming] (ServerService Thread Pool -- 36) JBAS011800: Activating Naming Subsystem
11:09:58,906 INFO  [org.jboss.as.webservices] (ServerService Thread Pool -- 46) JBAS015537: Activating WebServices Extension
11:09:58,913 INFO  [org.jboss.as.osgi] (ServerService Thread Pool -- 37) JBAS011910: Activating OSGi Subsystem
11:09:58,916 INFO  [org.jboss.as.security] (MSC service thread 1-1) Picketbox version=4.0.6.Beta1
11:09:59,014 INFO  [org.jboss.as.connector] (MSC service thread 1-1) JBAS010408: Starting JCA Subsystem (JBoss IronJacamar 1.0.5.Final)
11:09:59,045 INFO  [org.jboss.as.naming] (MSC service thread 1-3) JBAS011802: Starting Naming Service
11:09:59,091 INFO  [org.jboss.as.mail.extension] (MSC service thread 1-1) JBAS015400: Bound mail session [java:jboss/mail/Default]