Vitalii Diravka created DRILL-6912:
--------------------------------------
Summary: NPE when other drillbit is already running
Key: DRILL-6912
URL: https://issues.apache.org/jira/browse/DRILL-6912
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.14.0
Reporter: Vitalii Diravka
If user will try to run the second drillbit process, the following output is
obtained:
{code}
vitalii@vitalii-pc:/tmp/apache-drill-1.15.0$ bin/drill-embedded
java.lang.NullPointerException
Apache Drill 1.15.0
"This isn't your grandfather's SQL."
sqlline> select * from (values(1));
No current connection
sqlline> !q
{code}
For 1.14.0 drill version the output was correct (but too long):
{code}
./bin/drill-embedded
Dec 18, 2018 7:58:47 PM org.glassfish.jersey.server.ApplicationHandler
initialize
INFO: Initiating Jersey application, version Jersey: 2.8 2014-04-29 01:25:26...
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:143)
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:155)
at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:200)
at
org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:134)
... 18 more
apache drill 1.14.0
"just drill it"
0: jdbc:drill:zk=local> !q{code}
Looks like it is fine to have a short message in console about the reason of
error, similar to:
{code}
java.sql.SQLException: Failure in starting embedded Drillbit:
java.net.BindException: Address already in use
{code}
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