3244297 - Troubleshooting S/4 1909 Patching Error During PREP_INIT/HDB_HDI_CHECK Phase

Following error occurs during S/4 1909 Patching:

Repeat Phase
Severe error(s) occurred in phase PREP_INIT/HDB_HDI_CHECK!

Last error code set:
Unexpected result ''

SAPup_trouleticket.log:
1EETQ399 Last error code set is: Unexpected result ''
1EETQ204 Upgrade phase "HDB_HDI_CHECK" aborted with severe errors ("20220617104621")

HDBHDICHK.LOG: 
EXECUTING /usr/sap/SUM/abap/../jvm/jre/bin/java -cp /usr/sap/SUM/abap/bin/com.sap.hdb.sl.lib.jar:/usr/sap/SUM/abap/bin/com.sap.hdb.core.jar com.sap.hdb.core.main.cmd.HdbCmdMain HDB_CMD_CLAZZ_NAME=IS_MULTI_DB DATABASE_SID=CD2 DATABASE_HOSTNAME=abhanacd2.xyzgroup.net INSTANCE_NUMBER=00 JDBC_PATH=/usr/sap/SUM/abap/bin READ_FROM_STDIN=TRUE SYSTEMDB_PORT=30015 DATABASE_MODE=MULTIPLE

HDB_HDI_CHECK.LOG:
Fri Jun 17 09:46:08 GMT-05:00 2022 | com.sap.hdb.sl.lib.connection.sql.JdbcConnection | Start new connection with connect URL: jdbc:sap://abhanacd2.xyzgroup.net:30015?databaseName=CD2 connect user: SYSTEM
Fri Jun 17 09:46:20 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | Error during execution of HdbCmdClazz section!
Fri Jun 17 09:46:20 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.sl.lib.exceptions.HdbException: com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JDBC: Cannot connect to jdbc:sap://abhanacd2.xyzgroup.net:30015 [Connection to database server lost; check server and network status [System error: java.io.IOException: error 104 - Connection reset by peer]].
Fri Jun 17 09:46:20 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.sl.lib.exceptions.HdbException: com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JDBC: Cannot connect to jdbc:sap://abhanacd2.xyzgroup.net:30015 [Connection to database server lost; check server and network status [System error: java.io.IOException: error 104 - Connection reset by peer]].

HdbCmdOut.log:
Thu Jun 23 12:19:08 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | Start new command section
Thu Jun 23 12:19:08 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | Version of com.sap.hdb.core.jar | Changelist: 206348 | Release: lmts_025_REL | API-Version: 00
Thu Jun 23 12:19:08 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | Version of com.sap.hdb.sl.lib.jar | Changelist: 206867 | Release: lmts_025_REL | API-Version: 35
Thu Jun 23 12:19:09 GMT-05:00 2022 | com.sap.hdb.sl.lib.connection.sql.JdbcDriver | URI: file:/usr/sap/CD2/SUM/abap/bin/ngdbc.jar
Thu Jun 23 12:19:09 GMT-05:00 2022 | com.sap.hdb.sl.lib.connection.sql.JdbcConnection | Instance is a multiple-container system.
Thu Jun 23 12:19:45 GMT-05:00 2022 | com.sap.hdb.sl.lib.connection.sql.JdbcConnection | Start new connection with connect URL: jdbc:sap://abhanacd2.xyzgroup.net:30015?databaseName=CD2 connect user: SYSTEM
Thu Jun 23 12:19:57 GMT-05:00 2022 | com.sap.hdb.sl.lib.user.password.HdbPassword | Error retrieving password policy from database: com.sap.hdb.sl.lib.exceptions.HdbException: com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JD
BC: Cannot connect to jdbc:sap://abhanacd2.xyzgroup.net:30015 [Connection to database server lost; check server and network status [System error: java.io.IOException: error 104 - Connection reset by peer]].. Using default values.
Thu Jun 23 12:19:57 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | Name of HdbCmdClazz: class com.sap.hdb.sl.lib.utils.cmd.clazz.IsMultiDB
Thu Jun 23 12:19:57 GMT-05:00 2022 | com.sap.hdb.sl.lib.connection.sql.JdbcConnection | Instance is a multiple-container system.
Thu Jun 23 12:19:57 GMT-05:00 2022 | com.sap.hdb.sl.lib.connection.sql.JdbcConnection | Start new connection with connect URL: jdbc:sap://abhanacd2.xyzgroup.net:30015?databaseName=CD2 connect user: SYSTEM
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | Error during execution of HdbCmdClazz section!
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.sl.lib.exceptions.HdbException: com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JDBC: Cannot connect to jdbc:sap://abhanacd2.xyzgroup.net:
30015 [Connection to database server lost; check server and network status [System error: java.io.IOException: error 104 - Connection reset by peer]].
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.sl.lib.connection.sql.JdbcConnection.getDatabaseMode(JdbcConnection.java:758)
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.sl.lib.connection.sql.JdbcConnection.isMultiDB(JdbcConnection.java:817)
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.sl.lib.utils.cmd.clazz.IsMultiDB.execute(IsMultiDB.java:48)
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.core.main.cmd.HdbCmdMain.execute(HdbCmdMain.java:113)
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | com.sap.hdb.core.main.cmd.HdbCmdMain.main(HdbCmdMain.java:74)
Thu Jun 23 12:20:09 GMT-05:00 2022 | com.sap.hdb.core.main.cmd.HdbCmdMain | *************************************************************

SAP HANA DB 2.0

S/4 1909 Patching, PREP_INIT/HDB_HDI_CHECK, Severe error, Unexpected result, SAPup_trouleticket.log, HDBHDICHK.LOG, HDB_HDI_CHECK.LOG, HdbCmdOut.log, Connection reset by peer, hdbuserstore, SQL port number, SYSTEMDB, SYS_DATABASES.M_SERVICES, SUM update , KBA , HAN-LM-UPG-SAP , Upgrade of SAP Systems on HANA , Problem