Hi,

Trying to execute an Hadoop job on Yarn, I got errors from Cassandra's internal 
code. It seems that connections are closed but I can't understand why ...

Here is a subtract of the errors :

15/11/22 20:05:54 [main]: DEBUG core.RequestHandler: Error querying 
node006.internal.net/192.168.12.22:9042, trying next host (error is: 
com.datastax.driver.core.ConnectionException: 
[node006.internal.net/192.168.12.22:9042] Pool is shutdown)
Failed with exception java.io.IOException:java.io.IOException: 
com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried 
for
 query failed (tried: node006.internal.net/192.168.12.22:9042 
(com.datastax.driver.core.ConnectionException: 
[node006.internal.net/192.168.12.22:9042] Pool is shutdown))
15/11/22 20:05:54 [main]: ERROR CliDriver: Failed with exception 
java.io.IOException:java.io.IOException: 
com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried 
for
 query failed (tried: node006.internal.net/192.168.12.22:9042 
(com.datastax.driver.core.ConnectionException: 
[node006.internal.net/192.168.12.22:9042] Pool is shutdown))
java.io.IOException: java.io.IOException: 
com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried 
for
 query failed (tried: node006.internal.net/192.168.12.22:9042 
(com.datastax.driver.core.ConnectionException: 
[node006.internal.net/192.168.12.22:9042] Pool is shutdown))
        at 
org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:508)
        at 
org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:415)
        at org.apache.hadoop.hive.ql.exec.FetchTask.fetch(FetchTask.java:140)
        at org.apache.hadoop.hive.ql.Driver.getResults(Driver.java:1672)
        at 
org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:233)
        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:165)
        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:376)
        at 
org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:736)
        at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:681)
        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621)
        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:497)
        at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.io.IOException: 
com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried 
for
 query failed (tried: node006.internal.net/192.168.12.22:9042 
(com.datastax.driver.core.ConnectionException: 
[node006.internal.net/192.168.12.22:9042] Pool is shutdown))
        at 
org.apache.hadoop.hive.cassandra.input.cql.HiveCqlInputFormat.getRecordReader(HiveCqlInputFormat.java:132)
        at 
org.apache.hadoop.hive.ql.exec.FetchOperator$FetchInputFormatSplit.getRecordReader(FetchOperator.java:674)
        at 
org.apache.hadoop.hive.ql.exec.FetchOperator.getRecordReader(FetchOperator.java:324)
        at 
org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:446)
        ... 15 more
Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All 
host(s) tried 
for
 query failed (tried: node006.internal.net/192.168.12.22:9042 
(com.datastax.driver.core.ConnectionException: 
[node006.internal.net/192.168.12.22:9042] Pool is shutdown))
        at 
com.datastax.driver.core.exceptions.NoHostAvailableException.copy(NoHostAvailableException.java:84)
        at 
com.datastax.driver.core.DriverThrowables.propagateCause(DriverThrowables.java:37)
        at 
com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(DefaultResultSetFuture.java:214)
        at 
com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:52)
        at 
com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:36)
        at 
org.apache.cassandra.hadoop.cql3.CqlRecordReader.fetchKeys(CqlRecordReader.java:578)
        at 
org.apache.cassandra.hadoop.cql3.CqlRecordReader.buildQuery(CqlRecordReader.java:526)
        at 
org.apache.cassandra.hadoop.cql3.CqlRecordReader.initialize(CqlRecordReader.java:148)
 I also add a file with the complete debug logs.

You can also find the complete log at 
https://www.dropbox.com/s/thwugpw8amv5x9q/output.log?dl=0

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