3395686 - SAP Business Connector - Peer sent alert: Alert Fatal: bad certificate

You have recently updated your Business Connector, and you are encountering an issue in the SAP ECC transaction RFC error to the target system, with the following error:

023-10-18 10:37:24 CEST com.sap.conn.jco.JCoException: (104) JCO_ERROR_SYSTEM_FAILURE: xxx.xx.xxx.xxx.server.ServiceException: iaik.security.ssl.SSLException: Peer sent alert: Alert Fatal: bad certificate (raised by system [JCoServer@xxx-xxxxxxxx<-xxx|xxxxxxx|x_xxx])
    at com.sap.conn.jco.rt.AbstractConnection.generateJCoException(AbstractConnection.java:624)
    at com.sap.conn.jco.rt.AbstractServerConnection.listen(AbstractServerConnection.java:1009)
    at com.sap.conn.jco.rt.CPICServerWorker.dispatch(CPICServerWorker.java:73)
    at com.sap.conn.jco.rt.AbstractServerWorker.loop(AbstractServerWorker.java:350)
    at com.sap.conn.jco.rt.AbstractServerWorker.run(AbstractServerWorker.java:316)
    at com.wm.util.TimeWrappingProvider$TimeMesuredTask.run(TimeWrappingProvider.java:41)
    at com.wm.pkg.sap.rfc.ListenerThread.run(ListenerThread.java:70)
Caused by: RfcException raised by system [JCoServer@xxx-xxxxxxxx<-xxx|xxxxxxx|x_xxx]:
    message: com.wm.app.b2b.server.ServiceException: iaik.security.ssl.SSLException: Peer sent alert: Alert Fatal: bad certificate
    return code: RFC_FAILURE (1)
    error group: 104
    key: RFC_ERROR_SYSTEM_FAILURE
    at com.sap.conn.jco.rt.AbstractServerConnection.executePlayback(AbstractServerConnection.java:1394)
    at com.sap.conn.jco.rt.AbstractServerConnection.playbackTRfc(AbstractServerConnection.java:1259)
    at com.sap.conn.jco.rt.AbstractServerConnection.handletRfcRequest(AbstractServerConnection.java:1419)
    at com.sap.conn.jco.rt.AbstractServerConnection.listen(AbstractServerConnection.java:921)
    ... 5 more
Caused by: RfcException raised by system [JCoServer@xxx-xxxxxxxx<-xxx|xxxxxxx|x_xxx]:
    message: com.wm.app.b2b.server.ServiceException: iaik.security.ssl.SSLException: Peer sent alert: Alert Fatal: bad certificate
    return code: RFC_FAILURE (1)
    error group: 104
    key: RFC_ERROR_SYSTEM_FAILURE
    at com.sap.conn.jco.rt.AbstractServerConnection.dispatchRequest(AbstractServerConnection.java:2033)
    at com.sap.conn.jco.rt.AbstractServerConnection.executePlayback(AbstractServerConnection.java:1388)

SAP Business Connector

Peer sent alert, Alert Fatal, bad certificate, Peer sent alert: Alert Fatal , KBA , BC-MID-BUS , Business Connector , Problem