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From "hemanth meka (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SQOOP-3139) sqoop tries to re execute select query during import in case of a connection reset error and this is causing lots of duplicate records from source
Date Wed, 22 Feb 2017 11:59:44 GMT
hemanth meka created SQOOP-3139:
-----------------------------------

             Summary: sqoop tries to re execute select query during import in case of a connection
reset error and this is causing lots of duplicate records from source
                 Key: SQOOP-3139
                 URL: https://issues.apache.org/jira/browse/SQOOP-3139
             Project: Sqoop
          Issue Type: Bug
    Affects Versions: 1.4.6
            Reporter: hemanth meka


We cannot reproduce this issue as it depends on network. Here is a edited log content for
understanding the issue. 


Log start
.
.
2017-02-22 07:35:37,638 INFO [main] org.apache.sqoop.mapreduce.sqlserver.SqlServerRecordReader:
Using query: select sequence_number, analytical_bundle_masked where ( Sequence_Number >=
8571429 ) AND ( Sequence_Number <= 10000000 )
2017-02-22 07:35:37,662 INFO [main] org.apache.sqoop.mapreduce.db.DBRecordReader: Executing
query: select sequence_number, analytical_bundle_masked where ( Sequence_Number >= 8571429
) AND ( Sequence_Number <= 10000000 )
2017-02-22 07:39:00,533 ERROR [main] org.apache.sqoop.mapreduce.db.DBRecordReader: Top level
exception: 
com.microsoft.sqlserver.jdbc.SQLServerException: Connection reset
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:2399)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:2383)
	at com.microsoft.sqlserver.jdbc.TDSChannel.read(IOBuffer.java:1884)
	at com.microsoft.sqlserver.jdbc.TDSReader.readPacket(IOBuffer.java:6685)
	at com.microsoft.sqlserver.jdbc.TDSReader.nextPacket(IOBuffer.java:6595)
	at com.microsoft.sqlserver.jdbc.TDSReader.ensurePayload(IOBuffer.java:6571)
	at com.microsoft.sqlserver.jdbc.TDSReader.readBytes(IOBuffer.java:6864)
	at com.microsoft.sqlserver.jdbc.TDSReader.readWrappedBytes(IOBuffer.java:6886)
	at com.microsoft.sqlserver.jdbc.TDSReader.readUnsignedShort(IOBuffer.java:6801)
	at com.microsoft.sqlserver.jdbc.ServerDTVImpl.getValuePrep(dtv.java:3570)
	at com.microsoft.sqlserver.jdbc.ServerDTVImpl.getValue(dtv.java:3936)
	at com.microsoft.sqlserver.jdbc.DTV.getValue(dtv.java:226)
	at com.microsoft.sqlserver.jdbc.Column.getValue(Column.java:144)
	at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getValue(SQLServerResultSet.java:2099)
	at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getValue(SQLServerResultSet.java:2084)
	at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getString(SQLServerResultSet.java:2427)
	at org.apache.sqoop.lib.JdbcWritableBridge.readString(JdbcWritableBridge.java:71)
	at com.cloudera.sqoop.lib.JdbcWritableBridge.readString(JdbcWritableBridge.java:61)
	at QueryResult.readFields0(QueryResult.java:10706)
	at QueryResult.readFields(QueryResult.java:10415)
	at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:244)
	at org.apache.sqoop.mapreduce.db.SQLServerDBRecordReader.nextKeyValue(SQLServerDBRecordReader.java:148)
	at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:556)
	at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
	at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
	at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
	at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)
	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
2017-02-22 07:39:00,552 WARN [main] org.apache.sqoop.mapreduce.db.SQLServerDBRecordReader:
Trying to recover from DB read failure: 
java.io.IOException: SQLException in nextKeyValue
	at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:277)
	at org.apache.sqoop.mapreduce.db.SQLServerDBRecordReader.nextKeyValue(SQLServerDBRecordReader.java:148)
	at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:556)
	at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
	at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
	at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
	at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)
	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Connection reset
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:2399)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:2383)
	at com.microsoft.sqlserver.jdbc.TDSChannel.read(IOBuffer.java:1884)
	at com.microsoft.sqlserver.jdbc.TDSReader.readPacket(IOBuffer.java:6685)
	at com.microsoft.sqlserver.jdbc.TDSReader.nextPacket(IOBuffer.java:6595)
	at com.microsoft.sqlserver.jdbc.TDSReader.ensurePayload(IOBuffer.java:6571)
	at com.microsoft.sqlserver.jdbc.TDSReader.readBytes(IOBuffer.java:6864)
	at com.microsoft.sqlserver.jdbc.TDSReader.readWrappedBytes(IOBuffer.java:6886)
	at com.microsoft.sqlserver.jdbc.TDSReader.readUnsignedShort(IOBuffer.java:6801)
	at com.microsoft.sqlserver.jdbc.ServerDTVImpl.getValuePrep(dtv.java:3570)
	at com.microsoft.sqlserver.jdbc.ServerDTVImpl.getValue(dtv.java:3936)
	at com.microsoft.sqlserver.jdbc.DTV.getValue(dtv.java:226)
	at com.microsoft.sqlserver.jdbc.Column.getValue(Column.java:144)
	at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getValue(SQLServerResultSet.java:2099)
	at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getValue(SQLServerResultSet.java:2084)
	at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getString(SQLServerResultSet.java:2427)
	at org.apache.sqoop.lib.JdbcWritableBridge.readString(JdbcWritableBridge.java:71)
	at com.cloudera.sqoop.lib.JdbcWritableBridge.readString(JdbcWritableBridge.java:61)
	at QueryResult.readFields0(QueryResult.java:10706)
	at QueryResult.readFields(QueryResult.java:10415)
	at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:244)
	... 13 more
.
.
2017-02-22 07:39:00,928 INFO [main] org.apache.sqoop.mapreduce.sqlserver.SqlServerRecordReader:
Using query: select sequence_number, analytical_bundle_masked where ( Sequence_Number >=
8571429 ) AND ( Sequence_Number <= 10000000 )
2017-02-22 07:39:00,929 INFO [main] org.apache.sqoop.mapreduce.db.DBRecordReader: Executing
query: select sequence_number, analytical_bundle_masked where ( Sequence_Number >= 8571429
) AND ( Sequence_Number <= 10000000 )

2017-02-22 08:05:03,199 INFO [Thread-15] org.apache.sqoop.mapreduce.AutoProgressMapper: Auto-progress
thread is finished. keepGoing=false
2017-02-22 08:05:03,295 INFO [main] org.apache.hadoop.mapred.Task: Task:attempt_1486732304049_0615_m_000006_0
is done. And is in the process of committing
2017-02-22 08:05:03,344 INFO [main] org.apache.hadoop.mapred.Task: Task attempt_1486732304049_0615_m_000006_0
is allowed to commit now
2017-02-22 08:05:03,350 INFO [main] org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter:
Saved output of task 'attempt_1486732304049_0615_m_000006_0' to hdfs://ehaascluster/jcrew/hdfs/qa/secure/work/customer/experian/experian_jb_analytical_bundle/_temporary/1/task_1486732304049_0615_m_000006
2017-02-22 08:05:03,390 INFO [main] org.apache.hadoop.mapred.Task: Task 'attempt_1486732304049_0615_m_000006_1'
done.
End of LogType:syslog



Container: container_e58_1486732304049_0615_01_000005 on bi4c-11665-data-1.bi.services.bluemix.net_45454
==========================================================================================================
LogType:stderr
Log Upload Time:Wed Feb 22 08:07:25 +0000 2017
LogLength:243
Log Contents:
log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.impl.MetricsSystemImpl).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
End of LogType:stderr

LogType:stdout
Log Upload Time:Wed Feb 22 08:07:25 +0000 2017
LogLength:0
Log Contents:
End of LogType:stdout

LogType:syslog
Log Upload Time:Wed Feb 22 08:07:25 +0000 2017
LogLength:104358



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