3506944 - Bootstrap terminates with exit code 558 - UnresolvedAddressException

After Database maintenance, AS Java fails to start. Log files show exceptions:

dev_bootstrap

[...]
F  [Thr 139709249738496] *** LOG => SfCJavaVm: exit hook is called. (rc = 558)
F  
F  ********************************************************************************
F  *** ERROR => Java node 'Instance_bootstrap' terminated with exit code 558.
F  ***
F  *** Please see section 'Java program exit codes'
F  *** in SAP Note 1316652 for additional information and trouble shooting advice.
F  ********************************************************************************
F  
F  [Thr 139709249738496] *** LOG => exiting (exitcode 558, retcode 1).
[...]

jvm_boostrap:

[...]
Caused by: com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JDBC: Cannot connect to jdbc:sap://<hostname>:<port>/ [Unknown host <hostname>:<port>.  -709: (uninitialized) -> <hostname>:<port> ConnectionID:0 SessionID:0].
    at com.sap.db.jdbc.exceptions.SQLExceptionSapDB._newInstance(SQLExceptionSapDB.java:126)
    at com.sap.db.jdbc.exceptions.SQLExceptionSapDB._newInstance(SQLExceptionSapDB.java:222)
    at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.newInstance(SQLExceptionSapDB.java:50)
[...]
Caused by: java.nio.channels.UnresolvedAddressException
    at sun.nio.ch.Net.checkAddress(Net.java:100)
    at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:627)
    at com.sap.db.jdbc.Session._connect(Session.java:970)
    at com.sap.db.jdbc.Session.<init>(Session.java:442)
    at com.sap.db.jdbc.BasicSocketSession.<init>(BasicSocketSession.java:21)
    at com.sap.db.jdbc.BasicChannelSession.<init>(BasicChannelSession.java:21)
    at com.sap.db.jdbc.Session.newInstance(Session.java:380)
    at com.sap.db.jdbc.ConnectionSapDB._connectAnchor(ConnectionSapDB.java:3459)
    at com.sap.db.jdbc.DriverSapDB._connect(DriverSapDB.java:3428)
    ... 25 more
[...]

SAP NetWeaver Application Server Java all versions

DB, HANDB, HANA DB, HANA, HAN, HAN DB, JDBC, JDBC driver, jstart, dev_jstart , KBA , BC-JAS-SF , Startup Framework , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , HAN-DB-CLI , SAP HANA Clients (JDBC, ODBC) , Problem