I removed the message delivery temporarily but I have still the same effect.
Here are the new log messages:
12:30:33,331 INFO [org.jboss.system.server.Server] Shutting down the server, blockingShutdown: false
12:30:33,331 INFO [org.jboss.system.server.Server] Server exit(0) called
12:30:33,331 INFO [org.jboss.system.server.Server] Runtime shutdown hook called, forceHalt: true
12:30:33,347 INFO [org.jboss.system.server.Server] JBoss SHUTDOWN: Undeploying all packages
12:30:34,003 INFO [org.jboss.ejb3.EJBContainer] STOPPED EJB: de.impex.service.DataReceiverService ejbName: DataReceiverService
12:30:34,003 DEBUG [org.jboss.jms.server.connectionfactory.ConnectionFactoryJNDIMapper] Server[3].ConnFactoryJNDIMapper received notification from node 3
12:30:34,003 DEBUG [org.jboss.jms.server.connectionmanager.SimpleConnectionManager] unregistered connection ConnectionEndpoint[rf-wl7al83g-1-9xv7l83g-9wts1w-k5027p4] with remo
ting session ID ...-g38la5ov-6q
12:30:34,003 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@165ad40 from registry
12:30:34,003 DEBUG [org.jboss.remoting.Client] Client[2120549:4p7205k-w1stw9-g38l7vx9-1-g38la78v-eq] is disconnected
12:30:34,003 DEBUG [org.jboss.jms.server.remoting.JMSServerInvocationHandler] removing callback handler ServerInvokerCallbackHandler[4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6q+4p72
05k-w1stw9-g38l7vx9-1-g38la5u3-7l]
12:30:34,003 DEBUG [org.jboss.remoting.Client] Client[5331451:4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6q].connect(null)
12:30:34,003 DEBUG [org.jboss.remoting.Client] Client[5331451:4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6q] connected to InvokerLocator [bisocket://169.254.0.200:866776360/callback?c
allbackServerHost=169.254.0.200&callbackServerPort=866776360&callbackServerProtocol=bisocket&clientMaxPoolSize=1&clientSocketClass=org.jboss.jms.client.remoting.ClientSocketWr
apper&datatype=jms&guid=4p7205k-w1stw9-g38l7vx9-1-g38la5rx-7c&isCallbackServer=true&onewayThreadPool=org.jboss.jms.server.remoting.DirectThreadPool&serverSocketClass=org.jboss
.jms.server.remoting.ServerSocketWrapper]
12:30:34,003 DEBUG [org.jboss.remoting.ServerInvoker] ServerInvoker (SocketServerInvoker[UNINITIALIZED]) removing client callback handler with session id of 4p7205k-w1stw9-g38
l7vx9-1-g38la5ov-6q+4p7205k-w1stw9-g38l7vx9-1-g38la5u3-7l.
12:30:34,003 DEBUG [org.jboss.remoting.transport.bisocket.BisocketServerInvoker] unrecognized listener ID: 4p7205k-w1stw9-g38l7vx9-1-g38la5u3-7l
12:30:34,003 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@19e8474 from registry
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[5331451:4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6q] is disconnected
12:30:34,019 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:30:34,019 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@11ec4e7's count, current count 101
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[6505558:4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6q] is disconnected
12:30:34,019 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@1f1efce's count, current count 101
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[9429906:4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6r] is disconnected
12:30:34,019 DEBUG [org.jboss.jms.server.connectionmanager.SimpleConnectionManager] unregistered connection ConnectionEndpoint[d6-ln5al83g-1-9xv7l83g-9wts1w-k5027p4] with remo
ting session ID ...-g38la5it-4s
12:30:34,019 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@4a0e77 from registry
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[18698774:4p7205k-w1stw9-g38l7vx9-1-g38la5lu-62] is disconnected
12:30:34,019 DEBUG [org.jboss.jms.server.remoting.JMSServerInvocationHandler] removing callback handler ServerInvokerCallbackHandler[4p7205k-w1stw9-g38l7vx9-1-g38la5it-4s+4p72
05k-w1stw9-g38l7vx9-1-g38la5k4-5v]
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[33271547:4p7205k-w1stw9-g38l7vx9-1-g38la5it-4s].connect(null)
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[33271547:4p7205k-w1stw9-g38l7vx9-1-g38la5it-4s] connected to InvokerLocator [bisocket://169.254.0.200:857481459/callback?
callbackServerHost=169.254.0.200&callbackServerPort=857481459&callbackServerProtocol=bisocket&clientMaxPoolSize=1&clientSocketClass=org.jboss.jms.client.remoting.ClientSocketW
rapper&datatype=jms&guid=4p7205k-w1stw9-g38l7vx9-1-g38la5j8-54&isCallbackServer=true&onewayThreadPool=org.jboss.jms.server.remoting.DirectThreadPool&serverSocketClass=org.jbos
s.jms.server.remoting.ServerSocketWrapper]
12:30:34,019 DEBUG [org.jboss.remoting.ServerInvoker] ServerInvoker (SocketServerInvoker[UNINITIALIZED]) removing client callback handler with session id of 4p7205k-w1stw9-g38
l7vx9-1-g38la5it-4s+4p7205k-w1stw9-g38l7vx9-1-g38la5k4-5v.
12:30:34,019 DEBUG [org.jboss.remoting.transport.bisocket.BisocketServerInvoker] unrecognized listener ID: 4p7205k-w1stw9-g38l7vx9-1-g38la5k4-5v
12:30:34,019 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@1de2198 from registry
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[33271547:4p7205k-w1stw9-g38l7vx9-1-g38la5it-4s] is disconnected
12:30:34,019 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:30:34,019 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@11ec4e7's count, current count 100
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[18719185:4p7205k-w1stw9-g38l7vx9-1-g38la5it-4s] is disconnected
12:30:34,019 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@1f1efce's count, current count 100
12:30:34,019 DEBUG [org.jboss.remoting.Client] Client[27270070:4p7205k-w1stw9-g38l7vx9-1-g38la5it-4t] is disconnected
12:30:34,019 DEBUG [org.jboss.jms.server.connectionfactory.ConnectionFactoryJNDIMapper] Server[3].ConnFactoryJNDIMapper received notification from node 3
12:30:34,035 DEBUG [org.jboss.jms.server.connectionmanager.SimpleConnectionManager] unregistered connection ConnectionEndpoint[ss1-mldal83g-1-9xv7l83g-9wts1w-k5027p4] with rem
oting session ID ...-g38la69p-ar
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@fd12ba from registry
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[23034736:4p7205k-w1stw9-g38l7vx9-1-g38ladkq-1rb] is disconnected
12:30:34,035 DEBUG [org.jboss.jms.server.remoting.JMSServerInvocationHandler] removing callback handler ServerInvokerCallbackHandler[4p7205k-w1stw9-g38l7vx9-1-g38la69p-ar+4p72
05k-w1stw9-g38l7vx9-1-g38la780-em]
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[14185445:4p7205k-w1stw9-g38l7vx9-1-g38la69p-ar].connect(null)
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[14185445:4p7205k-w1stw9-g38l7vx9-1-g38la69p-ar] connected to InvokerLocator [bisocket://169.254.0.200:866360669/callback?
callbackServerHost=169.254.0.200&callbackServerPort=866360669&callbackServerProtocol=bisocket&clientMaxPoolSize=1&clientSocketClass=org.jboss.jms.client.remoting.ClientSocketW
rapper&datatype=jms&guid=4p7205k-w1stw9-g38l7vx9-1-g38la74j-e8&isCallbackServer=true&onewayThreadPool=org.jboss.jms.server.remoting.DirectThreadPool&serverSocketClass=org.jbos
s.jms.server.remoting.ServerSocketWrapper]
12:30:34,035 DEBUG [org.jboss.remoting.ServerInvoker] ServerInvoker (SocketServerInvoker[UNINITIALIZED]) removing client callback handler with session id of 4p7205k-w1stw9-g38
l7vx9-1-g38la69p-ar+4p7205k-w1stw9-g38l7vx9-1-g38la780-em.
12:30:34,035 DEBUG [org.jboss.remoting.transport.bisocket.BisocketServerInvoker] unrecognized listener ID: 4p7205k-w1stw9-g38l7vx9-1-g38la780-em
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@1d4ce42 from registry
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[14185445:4p7205k-w1stw9-g38l7vx9-1-g38la69p-ar] is disconnected
12:30:34,035 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@11ec4e7's count, current count 99
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[15209730:4p7205k-w1stw9-g38l7vx9-1-g38la69p-ar] is disconnected
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@1f1efce's count, current count 99
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[10312622:4p7205k-w1stw9-g38l7vx9-1-g38la69p-as] is disconnected
12:30:34,035 DEBUG [org.jboss.jms.server.connectionmanager.SimpleConnectionManager] unregistered connection ConnectionEndpoint[na-u86al83g-1-9xv7l83g-9wts1w-k5027p4] with remo
ting session ID ...-g38la5ma-63
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@9d8f8c from registry
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[17199068:4p7205k-w1stw9-g38l7vx9-1-g38la5wp-8l] is disconnected
12:30:34,035 DEBUG [org.jboss.jms.server.remoting.JMSServerInvocationHandler] removing callback handler ServerInvokerCallbackHandler[4p7205k-w1stw9-g38l7vx9-1-g38la5ma-63+4p72
05k-w1stw9-g38l7vx9-1-g38la5ov-6s]
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[3880389:4p7205k-w1stw9-g38l7vx9-1-g38la5ma-63].connect(null)
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[3880389:4p7205k-w1stw9-g38l7vx9-1-g38la5ma-63] connected to InvokerLocator [bisocket://169.254.0.200:861473485/callback?c
allbackServerHost=169.254.0.200&callbackServerPort=861473485&callbackServerProtocol=bisocket&clientMaxPoolSize=1&clientSocketClass=org.jboss.jms.client.remoting.ClientSocketWr
apper&datatype=jms&guid=4p7205k-w1stw9-g38l7vx9-1-g38la5ma-65&isCallbackServer=true&onewayThreadPool=org.jboss.jms.server.remoting.DirectThreadPool&serverSocketClass=org.jboss
.jms.server.remoting.ServerSocketWrapper]
12:30:34,035 DEBUG [org.jboss.remoting.ServerInvoker] ServerInvoker (SocketServerInvoker[UNINITIALIZED]) removing client callback handler with session id of 4p7205k-w1stw9-g38
l7vx9-1-g38la5ma-63+4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6s.
12:30:34,035 DEBUG [org.jboss.remoting.transport.bisocket.BisocketServerInvoker] unrecognized listener ID: 4p7205k-w1stw9-g38l7vx9-1-g38la5ov-6s
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] removed org.jboss.remoting.transport.local.LocalClientInvoker@11a24ee from registry
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[3880389:4p7205k-w1stw9-g38l7vx9-1-g38la5ma-63] is disconnected
12:30:34,035 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:30:34,035 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@11ec4e7's count, current count 98
12:30:34,035 DEBUG [org.jboss.remoting.Client] Client[30398857:4p7205k-w1stw9-g38l7vx9-1-g38la5ma-63] is disconnected
12:30:34,050 DEBUG [org.jboss.remoting.InvokerRegistry] decremented org.jboss.remoting.transport.local.LocalClientInvoker@1f1efce's count, current count 98
12:30:34,050 DEBUG [org.jboss.remoting.Client] Client[13816871:4p7205k-w1stw9-g38l7vx9-1-g38la5ma-64] is disconnected
12:30:34,050 INFO [org.jboss.ejb3.EJBContainer] STOPPED EJB: de.schnittstellen.sap.alternativartikel.in.mq.SapAlternativArtikelInImpexMitteListener ejbName: SapAlternativArtikelInImpexMitteListener
12:30:34,050 INFO [org.jboss.ejb3.EJBContainer] STOPPED EJB: de.schnittstellen.sap.alternativartikel.in.service.SapAlternativArtikelInImpexService ejbName: SapAlternativArtikelInImpexService
12:30:34,050 INFO [org.jboss.ejb3.EJBContainer] STOPPED EJB: de.generation.komplett.service.AllGenerationCheckCompleteService ejbName: AllGenerationCheckCompleteService
12:32:09,327 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:32:09,327 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:34:19,323 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:34:19,323 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:35:35,994 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[c0e346, bisocket://169.254.0.200:1608597621] disconnecting ...
12:35:35,994 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[c0e346, bisocket://169.254.0.200:1608597621] disconnecting ...
12:35:35,994 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:35:35,994 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:35:35,994 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:35:35,994 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:35:35,994 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:35:35,994 DEBUG [org.jboss.remoting.ServerInvoker] SocketServerInvoker[UNINITIALIZED] stopped
12:36:29,321 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:36:29,321 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:38:39,321 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:38:39,321 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider
12:40:49,322 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/DefaultJMSProvider