[jira] [Created] (DRILL-6351) Drill fails with NullPointerException when starting in embedded mode

["Volodymyr Vysotskyi (JIRA)" <ji...@apache.org>]

Volodymyr Vysotskyi created DRILL-6351:
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             Summary: Drill fails with NullPointerException when starting in embedded mode
                 Key: DRILL-6351
                 URL: https://issues.apache.org/jira/browse/DRILL-6351
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Volodymyr Vysotskyi


When starting Drill in embedded mode and another Drill instance is already ran, it fails with NPE:
{noformat}
java.lang.NullPointerException
        at org.apache.drill.exec.coord.local.LocalClusterCoordinator.update(LocalClusterCoordinator.java:98)
        at org.apache.drill.exec.server.Drillbit.close(Drillbit.java:231)
        at org.apache.drill.jdbc.impl.DrillConnectionImpl.cleanup(DrillConnectionImpl.java:827)
        at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:186)
        at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:72)
        at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:68)
        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:167)
        at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:213)
        at sqlline.Commands.close(Commands.java:925)
        at sqlline.Commands.quit(Commands.java:889)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:36)
        at sqlline.SqlLine.dispatch(SqlLine.java:742)
        at sqlline.SqlLine.begin(SqlLine.java:621)
        at sqlline.SqlLine.start(SqlLine.java:375)
        at sqlline.SqlLine.main(SqlLine.java:268)
{noformat}
The correct exception with stack trace is:
{noformat}
Error: Failure in starting embedded Drillbit: java.net.BindException: Address already in use (state=,code=0)
java.sql.SQLException: Failure in starting embedded Drillbit: java.net.BindException: Address already in use
        at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:144)
        at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:72)
        at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:68)
        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:167)
        at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:213)
        at sqlline.Commands.connect(Commands.java:1083)
        at sqlline.Commands.connect(Commands.java:1015)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:36)
        at sqlline.SqlLine.dispatch(SqlLine.java:742)
        at sqlline.SqlLine.initArgs(SqlLine.java:528)
        at sqlline.SqlLine.begin(SqlLine.java:596)
        at sqlline.SqlLine.start(SqlLine.java:375)
        at sqlline.SqlLine.main(SqlLine.java:268)
Caused by: java.net.BindException: Address already in use
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:279)
        at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80)
        at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:218)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.server.Server.doStart(Server.java:337)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.apache.drill.exec.server.rest.WebServer.start(WebServer.java:168)
        at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:193)
        at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:135)
        ... 18 more
{noformat}
This is a regression caused by changes introduced in DRILL-6289



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