40d09919 - DRILL-5881:Java Client: [Threat Modeling] Drillbit may be spoofed by an attacker and this may lead to data being written to the attacker's target instead of Drillbit
DRILL-5881:Java Client: [Threat Modeling] Drillbit may be spoofed by an attacker and this may lead to data being written to the attacker's target instead of Drillbit
Also set connection to null after its closed
This closes #999
