There's a deadlock in Push Server when the Bridge sends out another blocking request next to an outstanding blocking request just as the session expires:

Java stack information for the threads listed above:
===================================================
"TP-Processor1663":
        at org.icefaces.push.server.SessionManager.isValid(SessionManager.java:182)
        - waiting to lock <0x53183048> (a java.util.HashMap)
        - locked <0x53183020> (a java.util.HashMap)
        at org.icefaces.push.server.SessionManager.isValid(SessionManager.java:172)
        - locked <0x53183020> (a java.util.HashMap)
        at org.icefaces.push.server.ReceiveUpdatedViewsHandler.run(ReceiveUpdatedViewsHandler.java:175)
        at org.icefaces.push.server.AbstractHandler.handle(AbstractHandler.java:76)
        at org.icefaces.push.server.IDVerifier.run(IDVerifier.java:38)
        at org.icefaces.push.server.AbstractHandler.handle(AbstractHandler.java:76)
        at org.icefaces.push.server.SessionBoundServlet$1.handle(SessionBoundServlet.java:79)
        at org.icefaces.push.server.SendUpdatedViewsServer.service(SendUpdatedViewsServer.java:87)
        at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:25)
        at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)
        at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
        at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:47)
        at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
        at org.icefaces.push.server.PushServlet.service(PushServlet.java:143)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:307)
        at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:385)
        at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:748)
        at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:678)
        at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:871)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)
"http-0.0.0.0-18080-2":
        at org.icefaces.push.server.SessionManager.isValid(SessionManager.java:167)
        - waiting to lock <0x53183020> (a java.util.HashMap)
        at org.icefaces.push.server.ReceiveUpdatedViewsHandler.run(ReceiveUpdatedViewsHandler.java:175)
        at org.icefaces.push.server.AbstractHandler.handle(AbstractHandler.java:76)
        at org.icefaces.push.server.SessionManager.iceFacesIdDisposed(SessionManager.java:120)
        - locked <0x53183048> (a java.util.HashMap)
        - locked <0x53183070> (a org.icefaces.push.server.RequestManager)
        at org.icefaces.push.server.ContextEventMessageHandler.handle(ContextEventMessageHandler.java:80)
        at com.icesoft.net.messaging.MessageSeparator.handle(MessageSeparator.java:85)
        at com.icesoft.net.messaging.http.HttpAdapter$1.dispatch(HttpAdapter.java:101)
        at com.icesoft.net.messaging.http.HttpAdapter$1.service(HttpAdapter.java:143)
        at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:25)
        at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)
        at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
        at org.icefaces.push.server.PushServlet.service(PushServlet.java:143)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)

Found 1 deadlock.