3785914 - SAP Cloud ALM Heartbeat Job periodically canceled with error- SSSLRC_CONN_CLOSED (-10)

SAP Cloud ALM Heartbeat job is intermittently or periodically canceled with the error: SSL handshake with <region>.alm.cloud.sap:443 failed: SSSLRC_CONN_CLOSED (-10).

The dev_icm trace contains the following entry shortly before the first heartbeat failure:

[Thr 140332303906368]   no TLSextSNI was sent
[Thr 140332303906368]   Target Hostname="<region>10.alm.cloud.sap"
[Thr 140332303906368]   (GIT patchno 51,linuxx86_64_gcc43) CommonCryptoLib 8.5.51 (/usr/sap/ED6/D00/exe/libsapcrypto.so)
[Thr 140332303906368]   SSL_get_state()==0x2120 "TLS read server hello A"
[Thr 140332303906368] *** ERROR => SecuSSL_SessionStartNB(): incomplete initial SSL/TLS handshake [ssslsecu.c   6476]
[Thr 140332303906368] *** ERROR => SSL handshake with jp10.alm.cloud.sap:443 failed: SSSLRC_CONN_CLOSED (-10)
[Thr 140332303906368]              Remote Peer has closed the network connection

[Thr 140331221386816]   Disabling automagic TLSextSNI--Caller-supplied SNI detected for 'apps.support.sap.com'!
[Thr 140331224028736]   SSL_get_state()==0x2131 "TLS read server certificate B"
[Thr 140331224028736] *** ERROR in secussl_read: SSL_read() lasterr 0x20000509
[Thr 140331224028736]   => "There is no established SSL session associated with the current SSL_CONN/H_SSL handle or the session is corrupt."

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• SAP Cloud ALM
• SAP S/4HANA and SAP Business Suite 7
• SAP Kernel 7.93, patchno 51

cloud alm, ssl handshake failed, ssslrc_conn_closed, sni, tls sni, icm regression, kernel 793, outbound https, dev_icm, no tlsextsni was sent, automagic sni, heartbeat failure, rfc sap-support_portal, alm.cloud.sap , KBA , SV-CLM-INF-CON , Connectivity of managed services/systems to SAP Cloud ALM , BC-CST-IC , Internet Communication Manager , Problem