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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