3519976 - BW/4HANA Upgrade Failed With Error "MultiDB determination not possible!" During Phase HDB_HDI_CHECK_RUN

HDBHDICHK.LOG shows error after phase HDB_HDI_CHECK_RUN failed:

PID execute '~/../jvm/jre/bin/java -cp ~/bin/com.sap.hdb.sl.lib.jar:~/bin/com.sap.hdb.core.jar com.sap.hdb.core.main.cmd.HdbCmdMain HDB_CMD_CLAZZ_NAME=IS_MULTI_DB DATABASE_SID=<SID> DATABASE_HOSTNAME=<hostname> INSTANCE_NUMBER=<instance_number> JDBC_PATH=~/bin READ_FROM_STDIN=TRUE PORT=3<instance_number>15' in background, output written to '/usr/sap/SUM/abap/log/HDB_HDI_CHECK.LOG'.
PID exited with status 30 '<UNKNOWN>' 

WAITED for 1 processes to finish, 0 aborted.
The tool 'java' returned an unexpected return code '30'!
Last generated error message is: MultiDB determination not possible!
Upgrade phase "HDB_HDI_CHECK_RUN" terminated with severe errors ("<timestamp>")

HDB_HDI_CHECK.LOG shows error:

EXECUTING /usr/sap/SUM/SUM/abap/../jvm/jre/bin/java -cp /usr/sap/SUM/SUM/abap/bin/com.sap.hdb.sl.lib.jar:/usr/sap/SUM/SUM/abap/bin/com.sap.hdb.core.jar com.sap.hdb.core.main.cmd.HdbCmdMain HDB_CMD_CLAZZ_NAME=IS_MULTI_DB DATABASE_SID=<SID> DATABASE_HOSTNAME=<hostname> INSTANCE_NUMBER=<instance_number> JDBC_PATH=~/bin READ_FROM_STDIN=TRUE PORT=3<instance_number>15
ERROR in child process: Cannot execute '/usr/sap/SUM/SUM/abap/../jvm/jre/bin/java': Permission denied

HANA 2.0

BW/4HANA 

MultiDB determination, HDB_HDI_CHECK_RUN, HDBHDICHK. /jvm/jre/bin/java , KBA , HAN-LM-UPG-SAP , Upgrade of SAP Systems on HANA , Problem