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3777505 - RFC communication ending up with service unknown

Symptom

It has been perceived JCo RFC communication errors, and upon checking JCo trace, following is perceived.

=====
20xx-xx-xx xx:xx:xx.921745 [139888875939840]    << RfcConnectionBase::openNew returned 1
20xx-xx-xx xx:xx:xx.921751 [139888875939840]    >> RfcConnectionBase::disconnect
20xx-xx-xx xx:xx:xx.921756 [139888875939840]    >> CpicConnection::close
20xx-xx-xx xx:xx:xx.921761 [139888875939840]    << CpicConnection::close returned 0
20xx-xx-xx xx:xx:xx.921766 [139888875939840]    << RfcConnectionBase::disconnect returned 0
20xx-xx-xx xx:xx:xx.921783 [139888875939840] << API RfcOpenConnection returned RFC_COMMUNICATION_FAILURE
        RFC_ERROR_INFO.key: RFC_COMMUNICATION_FAILURE
        RFC_ERROR_INFO.message:
LOCATION    CPIC (TCP/IP) on local host <name-of-the-host> with Unicode
ERROR       service 'sapms<SID>' unknown
TIME        Wed xxx xx xx:xx:xx 20xx
RELEASE     753
COMPONENT   NI (network interface)
VERSION     40
RC          -3
MODULE      /bas/753_REL/src/base/ni/niuxi.c
LINE        1831
DETAIL      NiPGetServByName: 'sapms<SID>' not found
SYSTEM CALL getaddrinfo
COUNTER     2
=====


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Environment

  • SAP Java Connector(JCo) release independent;
  • Linux Operating system.

Keywords

java connector, sap java connector, jco, rfc, jcorfc, jco rfc, gw, gateway, unknown, sapms, message server, 3600, 3601, cpic, service , KBA , BC-MID-CON-JCO , Java-Connector , Problem

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