0: jdbc:drill:zk=local> !list
1 active connection:
#0  closed   jdbc:drill:zk=local

java.lang.NoClassDefFoundError: Could not initialize class
org.apache.drill.exec.server.Drillbit
at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:117)
at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:64)
at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:69)
at net.hydromatic.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:126)
at org.apache.drill.jdbc.Driver.connect(Driver.java:72)
at sqlline.DatabaseConnection.connect(DatabaseConnection.java:167)
....