https://issues.apache.org/bugzilla/show_bug.cgi?id=47292
Martin Sulak <martin.su...@nam.cz> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
--- Comment #8 from Martin Sulak <martin.su...@nam.cz> 2009-07-08 22:12:15 PST
---
Hello,
In node 2 session request was sent to node 1 and reply arrived in 105 ms.
8.7.2009 22:13:02 org.apache.catalina.ha.session.DeltaManager
getAllClusterSessions
WARNING: Manager [localhost#/inetgweb2], requesting session state from
org.apache.catalina.tribes.membership.MemberImpl[tcp://{127, 0, 1,
1}:4000,{127, 0, 1, 1},4000, alive=482259865,id={77 104 -45 52 13 -18 77 -88
-123 -28 -35 -2 111 103 73 -108 }, payload={}, command={}, domain={}, ]. This
operation will timeout if no session state has been received within 60 seconds.
8.7.2009 22:13:02 org.apache.catalina.ha.session.DeltaManager
waitForSendAllSessions
INFO: Manager [localhost#/inetgweb2]; session state send at 8.7.09 22:13
received in 105 ms.
----------------------------------------------------------------------
In node 1 session request was sent to node 1 again and reply did not arrive.
8.7.2009 22:36:59 org.apache.catalina.ha.session.DeltaManager
getAllClusterSessions
WARNING: Manager [localhost#/inetgweb2], requesting session state from
org.apache.catalina.tribes.membership.MemberImpl[tcp://{127, 0, 1,
1}:4000,{127, 0, 1, 1},4000, alive=483696349,id={77 104 -45 52 13 -18 77 -88
-123 -28 -35 -2 111 103 7
3 -108 }, payload={}, command={}, domain={}, ]. This operation will timeout if
no session state has been received within 60 seconds.
...
8.7.2009 22:37:59 org.apache.catalina.ha.session.DeltaManager
waitForSendAllSessions
SEVERE: Manager [localhost#/inetgweb2]: No session state send at 8.7.09 22:36
received, timing out after 60 009 ms.
8.7.2009 22:37:59 org.apache.catalina.ha.session.DeltaManager
getAllClusterSessions
WARNING: Manager [localhost#/inetgweb2]: Drop message SESSION-GET-ALL inside
GET_ALL_SESSIONS sync phase start date 8.7.09 22:36 message date 1.1.70 1:00
----------------------------------------------------------------------
More interesting are logs about memberAdded events (on node1,
tcplistenport=4000):
INFO: Starting Servlet Engine: Apache Tomcat/6.0.18
8.7.2009 22:34:52 org.apache.catalina.ha.tcp.SimpleTcpCluster start
INFO: Cluster is about to start
8.7.2009 22:34:52 org.apache.catalina.tribes.transport.ReceiverBase bind
INFO: Receiver Server Socket bound to:/127.0.1.1:4000
8.7.2009 22:34:52 org.apache.catalina.tribes.membership.McastServiceImpl
setupSocket
INFO: Setting cluster mcast soTimeout to 500
8.7.2009 22:34:52 org.apache.catalina.tribes.membership.McastServiceImpl
waitForMembers
INFO: Sleeping for 1000 milliseconds to establish cluster membership, start
level:4
8.7.2009 22:34:52 org.apache.catalina.ha.tcp.SimpleTcpCluster memberAdded
INFO: Replication member
added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{127, 0, 1,
1}:4000,{127, 0, 1, 1},4000, alive=483569817,id={77 104 -45 52 13 -18 77 -88
-123 -28 -35 -2 111 103 73 -108 }, payload={}, command={}, domain={}, ]
8.7.2009 22:34:52 org.apache.catalina.tribes.io.BufferPool getBufferPool
INFO: Created a buffer pool with max size:104857600 bytes of
type:org.apache.catalina.tribes.io.BufferPool15Impl
8.7.2009 22:34:52 org.apache.catalina.ha.tcp.SimpleTcpCluster memberAdded
INFO: Replication member
added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{127, 0, 1,
1}:4001,{127, 0, 1, 1},4001, alive=483264299,id={62 80 120 -81 31 -10 76 115
-123 78 5 44 -86 -85 -85 -59 }, payload={}, command={}, domain={}, ]
8.7.2009 22:34:53 org.apache.catalina.ha.tcp.SimpleTcpCluster memberAdded
INFO: Replication member
added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{127, 0, 1,
1}:4001,{127, 0, 1, 1},4001, alive=81647,id={-113 -69 -19 41 -24 -23 76 53 -89
-13 125 -49 95 -62 63 2 }, payload={}, command={}, domain={}, ]
8.7.2009 22:34:53 org.apache.catalina.tribes.membership.McastServiceImpl
waitForMembers
INFO: Done sleeping, membership established, start level:4
8.7.2009 22:34:53 org.apache.catalina.tribes.membership.McastServiceImpl
waitForMembers
INFO: Sleeping for 1000 milliseconds to establish cluster membership, start
level:8
8.7.2009 22:34:54 org.apache.catalina.tribes.membership.McastServiceImpl
waitForMembers
INFO: Done sleeping, membership established, start level:8
----------------------------------------------------------------------
I'm not sure why there are two memberadded events for port 4001 - node2.
However there should definitely not be memberadded for port 4000 - node1
itself, which is first event in log.
This is cause of both my bugs:
As I've seen in SimpleTcpCluster.java, session messages are sent to all
members. This can explain my first bug.
In DeltaManager.findSessionMasterMember first member is in
getAllClusterSessions.
This explains my second bug.
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