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2611751 - UD Connect Timeouts - Startup of application sap.com/sessionmgmt~jco~applib finished with non-critical warnings

Symptom

Universal Data Connect (UDC) is not working properly. Connections are interrupted.

The following entries refer to the issue:

  • in dev_jco_rfc.trc:

>RfcIoException:
    message: connection already closed
    Return code: RFCIO_ERROR_DEALLOCATED(10)<

  • in defaultTrace files of AS Java:

#Warning#com.sap.engine.services.deploy.server.TransactionManager#
com.sap.ASJ.dpl_ds.0005541#BC-JAS-COR-SES#sap.com/sessionmgmt~jco~applib#C000C112300400170000001F00003F5A#698979850000000001##com.sap.engine.services.deploy.server.TransactionManager#deploy_service#0##6E295945F85211E79F48000029A9960A#6e295945f85211e79f48000029a9960a##0#Deploy Parallel Start Thread 1#Plain##
Global [startApp] operation of application [sap.com/sessionmgmt~jco~applib] finished with non-critical warnings for [31] ms on server process [698979850]: [

[...]
#Warning#com.sap.engine.core.session.Manager#
com.sap.ASJ.ses.cf0023#BC-JAS-COR-SES#kernel.sda#C000C112300400000000000100007EFC###com.sap.engine.core.session.Manager########Thread[main,5,main]#Plain##
Could not register com.sap.engine.session.mbeans.ListAllOpenMBean. Exception is: java.lang.IllegalAccessException: Class com.sap.engine.core.session.Manager can not access a member of class com.sap.engine.session.mbeans.CleanPersistedSessionsMBean with modifiers ""#
[...]

[...]
#Warning#com.sap.engine.core.session.Manager#
com.sap.ASJ.ses.cf0023#BC-JAS-COR-SES#kernel.sda#C000C112300400000000000300007EFC###com.sap.engine.core.session.Manager########Thread[main,5,main]#Plain##
Could not register com.sap.engine.session.mbeans.ListSessionsOpenMBean. Exception is: java.lang.InstantiationException: com.sap.engine.session.mbeans.MonitorSessionsOpenMBean#
[...]

[...]
java.lang.NullPointerException: while trying to invoke the method com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcSendData(com.sap.conn.rfc.api.IRfcParameter[], com.sap.conn.rfc.api.IRfcParameter[], com.sap.conn.rfc.api.IRfcTable[]) of a null object loaded from field com.sap.conn.jco.rt.ServerConnection.rfcHandle of an object loaded from field com.sap.conn.jco.rt.ServerWorker.conn of an object#
[...]


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Environment

SAP Netweaver for Application Server Java 7.3X/7.4/7.5

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

NullPointerException, com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcSendData, com.sap.conn.jco.rt.ServerWorker.conn, InstantiationException, IllegalAccessException, sap.com/sessionmgmt~jco~applib, RFCIO_ERROR_DEALLOCATED, connection already closed, jco, Universal Data Connect, UDC, UD Connect , KBA , BC-JAS-COR-SES , Session Management , BC-MID-CON-JCO , Java-Connector , Problem

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