Hi everybody..
Hope you can help with this.. Were running Tomcat 6.0 in cluster, its been running now maybe 2yrs without problems.. then this.. We've checked and renewed all network components (cables, hubs & switches) checked all machines Including monitoring with Wireshark & tcpdump... Best regards Tim 25.04.2013 17:17:14 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2260923,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 2013-04-25 17:17:18,525 DEBUG (HotelFewoDetails.java:223) - mapAvailable 2013-04-25 17:17:18,526 DEBUG (HotelFewoDetails.java:141) - image 25.04.2013 17:17:31 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2277935,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:17:31 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2277935,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:17:48 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2294751,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:17:48 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2294751,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:17:54 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2301120,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:17:54 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2301120,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:19:34 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2400766,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:19:34 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2400766,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:20:58 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2479368,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:20:58 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2479368,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:21:46 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2533416,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:21:46 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2533416,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:24:25 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2692718,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:24:25 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2692718,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 25.04.2013 17:29:26 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Received memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp:/ /{-64, -88, 6, 19}: 4000,{-64, -88, 6, 19},4000, alive=2992655,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, pay load={}, command={}, domain={}, ]] message. Will verify. 25.04.2013 17:29:26 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector memberDisappeared INFO: Verification complete. Member still alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{-6 4, -88, 6, 19}:4000,{-64, -88, 6, 19},4000, alive=2992655,id={-10 1 -21 124 -22 1 79 68 -85 47 27 -30 -97 54 55 92 }, payload={}, command={}, domain={}, ]] 2013-04-25 17:30:51,853 DEBUG (HotelFewoDetails.java:223) - mapAvailable 2013-04-25 17:30:51,854 DEBUG (HotelFewoDetails.java:141) - image 2013-04-25 17:32:52,128 DEBUG (HotelFewoDetails.java:223) - mapAvailable 2013-04-25 17:32:52,130 DEBUG (HotelFewoDetails.java:141) - image