hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [wain017.slac.stanford.edu/172.23.2.17:1094:anonymous] Unexpected IO exception on socket
java.io.IOException: [wain017.slac.stanford.edu/172.23.2.17:1094:anonymous] No handler found for handle 0 (status=0)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:270)
        at java.lang.Thread.run(Thread.java:619)

 hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [wain019.slac.stanford.edu/172.23.2.19:1094:anonymous] Unexpected IO exception on socket
java.io.IOException: [wain019.slac.stanford.edu/172.23.2.19:1094:anonymous] No handler found for handle 1 (status=0)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:270)
        at java.lang.Thread.run(Thread.java:619)

hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [wain018.slac.stanford.edu/172.23.2.18:1094:anonymous] Unexpected IO exception on socket
java.io.IOException: [wain018.slac.stanford.edu/172.23.2.18:1094:anonymous] No handler found for handle 2 (status=0)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:270)
        at java.lang.Thread.run(Thread.java:619)

hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [wain019.slac.stanford.edu/172.23.2.19:1094:anonymous] Unexpected IO exception on socket
java.io.IOException: [wain019.slac.stanford.edu/172.23.2.19:1094:anonymous] No handler found for handle 7 (status=0)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:270)
        at java.lang.Thread.run(Thread.java:619)

hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [wain017.slac.stanford.edu/172.23.2.17:1094:anonymous] Unexpected IO exception on socket
java.io.EOFException
        at java.io.DataInputStream.readShort(DataInputStream.java:298)
        at hep.io.root.daemon.xrootd.Multiplexor$Response.read(Multiplexor.java:391)
        at hep.io.root.daemon.xrootd.Multiplexor$Response.access$200(Multiplexor.java:379)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:211)
        at java.lang.Thread.run(Thread.java:619)

sometimes followed by

org.apache.catalina.core.StandardWrapperValve invoke
INFO: *** Clearing plot reigstry for session 987A5B6A934C63970BA2E35F92EB817B
java.io.IOException: Xrootd error 3006: Invalid request; user not logged in
        at hep.io.root.daemon.xrootd.Session.waitForResponse(Session.java:371)
        at hep.io.root.daemon.xrootd.Session.stat(Session.java:194)
        at hep.io.root.daemon.xrootd.XrootdURLConnection.connect(XrootdURLConnection.java:95)
        at hep.io.root.daemon.xrootd.XrootdURLConnection.getInputStream(XrootdURLConnection.java:46)
        at hep.io.root.RootFileReader.<init>(RootFileReader.java:95)
        at hep.io.root.RootFileReader.<init>(RootFileReader.java:118)
        at hep.aida.ref.root.XrootdStore.read(XrootdStore.java:73)
        at hep.aida.ref.tree.Tree.init(Tree.java:1041)
        at hep.aida.ref.tree.TreeFactory.createTree(TreeFactory.java:183)
        at hep.aida.ref.tree.TreeFactory.create(TreeFactory.java:115)
        at hep.aida.web.taglib.util.TreeUtils.getTree(TreeUtils.java:80)
        at org.glast.dataqualitymonitoring.application.web.DataMonitoringWebApplication.getDataTree(DataMonitoringWebApplication.java:218)

hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [glast-rdr.slac.stanford.edu/134.79.200.91:-1:anonymous] Unexpected IO exception on socket
java.io.IOException: Socket closed
        at hep.io.root.daemon.xrootd.Multiplexor.sendMessage(Multiplexor.java:365)
        at hep.io.root.daemon.xrootd.Session$3.sendMessage(Session.java:189)
        at hep.io.root.daemon.xrootd.Session.redirectConnection(Session.java:104)
        at hep.io.root.daemon.xrootd.ResponseHandler.handleRedirect(ResponseHandler.java:19)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:292)
        at java.lang.Thread.run(Thread.java:619)

hep.io.root.daemon.xrootd.Multiplexor handleSocketException
WARNING: [glast-rdr.slac.stanford.edu/134.79.200.92:-1:anonymous] Unexpected IO exception on socket
java.io.IOException: Socket closed
        at hep.io.root.daemon.xrootd.Multiplexor.sendMessage(Multiplexor.java:398)
        at hep.io.root.daemon.xrootd.Session$3.sendMessage(Session.java:189)
        at hep.io.root.daemon.xrootd.Session.redirectConnection(Session.java:104)
        at hep.io.root.daemon.xrootd.ResponseHandler.handleRedirect(ResponseHandler.java:19)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:321)
        at java.lang.Thread.run(Thread.java:619)

SEVERE: [wain017.slac.stanford.edu/172.23.2.17:1094:anonymous] multiplexor thread dead!
java.lang.ArrayIndexOutOfBoundsException
        at java.net.SocketInputStream.read(SocketInputStream.java:121)
        at java.io.DataInputStream.readFully(DataInputStream.java:178)
        at hep.io.root.daemon.xrootd.Session$8.handleResponse(Session.java:311)
        at hep.io.root.daemon.xrootd.Multiplexor.run(Multiplexor.java:337)
        at java.lang.Thread.run(Thread.java:619)