Having solved my previous problem with sqlline_history, I am now getting the error below. Thanks in advance Sean C:\Drill\apache-drill-1.15.0\bin>sqlline -u "jdbc:drill:zk=local" DRILL_ARGS - " -u jdbc:drill:zk=local" HADOOP_HOME not detected... HBASE_HOME not detected... Calculating Drill classpath... WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.apache.calcite.avatica.com.google.protobuf.UnsafeUtil (file:/C:/Drill/apache-drill-1.15.0/jars/3rdparty/avatica-1.12.0.jar) to field java.nio.Buffer.address WARNING: Please consider reporting this to the maintainers of org.apache.calcite.avatica.com.google.protobuf.UnsafeUtil WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Error: Failure in starting embedded Drillbit: org.apache.drill.common.exceptions.DrillRuntimeException: Error during udf area creation [/C:/Users/Sean/drill/udf/registry] on file system [file:///] (state=,code=0) java.sql.SQLException: Failure in starting embedded Drillbit: org.apache.drill.common.exceptions.DrillRuntimeException: Error during udf area creation [/C:/Users/Sean/drill/udf/registry] on file system [file:///] at org.apache.drill.jdbc.impl.DrillConnectionImpl.(DrillConnectionImpl.java:139) at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:67) at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:67) at org.apache.calcite.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:138) at org.apache.drill.jdbc.Driver.connect(Driver.java:72) at sqlline.DatabaseConnection.connect(DatabaseConnection.java:130) at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:179) at sqlline.Commands.connect(Commands.java:1247) at sqlline.Commands.connect(Commands.java:1139) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:38) at sqlline.SqlLine.dispatch(SqlLine.java:722) at sqlline.SqlLine.initArgs(SqlLine.java:416) at sqlline.SqlLine.begin(SqlLine.java:514) at sqlline.SqlLine.start(SqlLine.java:264) at sqlline.SqlLine.main(SqlLine.java:195) Caused by: org.apache.drill.common.exceptions.DrillRuntimeException: Error during udf area creation [/C:/Users/Sean/drill/udf/registry] on file system [file:///] at org.apache.drill.common.exceptions.DrillRuntimeException.format(DrillRuntimeException.java:49) at org.apache.drill.exec.expr.fn.registry.RemoteFunctionRegistry.createArea(RemoteFunctionRegistry.java:280) at org.apache.drill.exec.expr.fn.registry.RemoteFunctionRegistry.prepareAreas(RemoteFunctionRegistry.java:237) at org.apache.drill.exec.expr.fn.registry.RemoteFunctionRegistry.init(RemoteFunctionRegistry.java:107) at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:214) at org.apache.drill.jdbc.impl.DrillConnectionImpl.(DrillConnectionImpl.java:130)