database - Derby Network Server not started automatically -

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i application, file 'apache.jndi.properties' contains

ds.jdbcdriver=org.apache.derby.jdbc.embeddeddriver  ds.jdbcurl=jdbc:derby:memory:derbydb;create=true;derby.drda.startnetworkserver=true

the network server not started automatically regarding above configs, started programmatically when try below code

new networkservercontrol(inetaddress.getbyname("localhost"),1527).start(null)

what's wrong apache.jndi.properties , why not started automatically?


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