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Cyril Scetbon edited comment on CASSANDRA-10751 at 11/24/15 4:34 PM: --------------------------------------------------------------------- [~alexliu68] The number of splits has not changed and is the same as with 2.0.12. The strange errors are : {code} 15/11/24 15:26:32 [cluster2-blocking-task-worker-1]: DEBUG core.HostConnectionPool: Creating new connection on busy pool to /10.234.62.20:9042 15/11/24 15:26:32 [cluster2-blocking-task-worker-0]: DEBUG core.HostConnectionPool: Creating new connection on busy pool to /10.234.62.20:9042 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG core.Connection: Connection[/10.234.62.20:9042-5, inFlight=0, closed=false] Connection opened successfully 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG core.Connection: Connection[/10.234.62.20:9042-6, inFlight=0, closed=false] Connection opened successfully 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG Host.STATES: [/10.234.62.20:9042] new connection created, total = 1 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG Host.STATES: [/10.234.62.20:9042] new connection created, total = 2 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG core.Connection: Connection[/10.234.62.20:9042-6, inFlight=0, closed=true] closing connection 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG core.Connection: Connection[/10.234.62.20:9042-5, inFlight=0, closed=true] closing connection 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG Host.STATES: [/10.234.62.20:9042] connection closed, remaining = 1 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG Host.STATES: [/10.234.62.20:9042] connection closed, remaining = 0 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG core.Connection: Connection[/10.234.62.20:9042-6, inFlight=0, closed=true] has already terminated 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG core.Connection: Connection[/10.234.62.20:9042-5, inFlight=0, closed=true] has already terminated 15/11/24 15:26:32 [cluster2-blocking-task-worker-0]: DEBUG Host.STATES: Defuncting Connection[/10.234.62.20:9042-6, inFlight=0, closed=true] because: [/10.234.62.20:9042] Error while setting keyspace {code} I can see that the error "Error while setting keyspace" is displayed when there is a *ExecutionException*. It just weird that it happens so quickly ... was (Author: cscetbon): [~alexliu68] The number of splits has not changed and is the same as with 2.0.12. The strange errors are : {code} 15/11/24 15:26:32 [cluster2-blocking-task-worker-1]: DEBUG core.HostConnectionPool: Creating new connection on busy pool to /10.234.62.20:9042 15/11/24 15:26:32 [cluster2-blocking-task-worker-0]: DEBUG core.HostConnectionPool: Creating new connection on busy pool to /10.234.62.20:9042 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG core.Connection: Connection[/10.234.62.20:9042-5, inFlight=0, closed=false] Connection opened successfully 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG core.Connection: Connection[/10.234.62.20:9042-6, inFlight=0, closed=false] Connection opened successfully 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG Host.STATES: [/10.234.62.20:9042] new connection created, total = 1 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG Host.STATES: [/10.234.62.20:9042] new connection created, total = 2 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG core.Connection: Connection[/10.234.62.20:9042-6, inFlight=0, closed=true] closing connection 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG core.Connection: Connection[/10.234.62.20:9042-5, inFlight=0, closed=true] closing connection 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG Host.STATES: [/10.234.62.20:9042] connection closed, remaining = 1 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG Host.STATES: [/10.234.62.20:9042] connection closed, remaining = 0 15/11/24 15:26:32 [cluster2-nio-worker-35]: DEBUG core.Connection: Connection[/10.234.62.20:9042-6, inFlight=0, closed=true] has already terminated 15/11/24 15:26:32 [cluster2-nio-worker-34]: DEBUG core.Connection: Connection[/10.234.62.20:9042-5, inFlight=0, closed=true] has already terminated 15/11/24 15:26:32 [cluster2-blocking-task-worker-0]: DEBUG Host.STATES: Defuncting Connection[/10.234.62.20:9042-6, inFlight=0, closed=true] because: [/10.234.62.20:9042] Error while setting keyspace {code} I can see that the error "Error while setting keyspace" is displayed when there is a ExecutionException. It just weird that it happens so quickly ... > "Pool is shutdown" error when running Hadoop jobs on Yarn > --------------------------------------------------------- > > Key: CASSANDRA-10751 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10751 > Project: Cassandra > Issue Type: Bug > Environment: Hadoop 2.7.1 (HDP 2.3.2) > Cassandra 2.1.11 > Reporter: Cyril Scetbon > Assignee: Alex Liu > Attachments: output.log > > > Trying to execute an Hadoop job on Yarn, I get errors from Cassandra's > internal code. It seems that connections are shutdown but we can't understand > why ... > Here is a subtract of the errors. I also add a file with the complete debug > logs. > {code} > 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) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)