Set the admin parameter to true only when username is specified and the passed admin parameter is true.
Set the admin parameter to true only when username is specified and the passed admin parameter is true.

VoltDB/voltdb,migue/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,migue/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,paulmartel/voltdb,deerwalk/voltdb,deerwalk/voltdb,migue/voltdb,migue/voltdb,migue/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,migue/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,paulmartel/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,migue/voltdb,migue/voltdb,paulmartel/voltdb,deerwalk/voltdb,VoltDB/voltdb,deerwalk/voltdb,paulmartel/voltdb,VoltDB/voltdb