When accessing the Introscope Workstation, during the authentication/ logon phase, it freezes indefinitely.
By following this CA article, it is possible to set the workstation logs to debug in order to gather more data when reproducing the issue. The logs in debug will then present the following error message reported many times:
1/17/17 02:16:56 AM CST [DEBUG] [Workstation.PostOfficeHub] Notifying transport Loopback PO: Workstation_<xxxx>.client_main that route Post Office: Agent_<xxxxx>.client_main, 2 hops via Socket Transport connected with Socket[addr=/<xx.xxx.xxx.xxx>,port=<xxxx>,localport=<xxxx>] is down
The following errors might be also be found in the Enterprise Manager logs:
|... loadbalancing (?): [Manager.LoadBalancer] LoadBalancerBean: getCollectorReconnectList(...) failed to determine MOM socket port for socketType=default and # of entries in fMOMSocketInfos=0; using default momPort=|
9/12/17 12:21:56.132 PM UTC [ERROR] [Dispatcher 1] [Manager.IncomingMessageDeliveryTask] Cannot deserialize message while reading from node at: Socket Transport connected with Socket[addr=<host>/<IP>,port=<PORT>,localport=<PORT>]
The MOM thread dump will show all Outgoing Delivery threads stuck on Nio writing as in the following error:
In the managed system configuration, the following error might be seem in the Introscope Host Adapter activity log:
On instance : <Instance>
The following symptoms might also be observed:
- Agent connection issues
- Poor Performance
- Problems to logon via workstation(intermittent behaviour)
- Communication between WebView and EM is slow
- Low CPU consumption
- Slow response time for the Enterprise Manager UI after restart
- SAP Solution Manager 7.1
- SAP Solution Manager 7.2
ava.nio.channels.CancelledKeyException , Notifying transport Loopback PO: Workstation_<xxxx>.client_main that route Post Office: Agent_<xxxxx>.client_main, 2 hops via Socket Transport connected with Socket[addr=/<xx.xxx.xxx.xxx>,port=<xxxx>,localport=<xxxx>] is down , Java New I/O (Java NIO, or NIO) capabilities , Java NIO channels , Java I/O , Introscope Java NIO metrics , transport.enable.nio , webview , workstation EM_HOME/config/IntroscopeEnterpriseManager.properties , KBA , XX-PART-WILY , Introscope by CA Technologies , Problem
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