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Sqoop在导入MySQL数据时遇到Timestamp列为空时报错，解决方法是：在JDBC连接后加上?zeroDateTimeBehavior=convertToNull
Error: java.io.IOException: SQLException in nextKeyValue
at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:277)
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:168)
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:162)
Caused by: java.sql.SQLException: Value '0000-00-00' can not be represented as java.sql.Date
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
at com.mysql.jdbc.ResultSetRow.getDateFast(ResultSetRow.java:141)
at com.mysql.jdbc.ByteArrayRow.getDateFast(ByteArrayRow.java:238)
at com.mysql.jdbc.ResultSetImpl.getDate(ResultSetImpl.java:2185)
at com.mysql.jdbc.ResultSetImpl.getDate(ResultSetImpl.java:2147)
at org.apache.sqoop.lib.JdbcWritableBridge.readDate(JdbcWritableBridge.java:115)
at com.cloudera.sqoop.lib.JdbcWritableBridge.readDate(JdbcWritableBridge.java:87)
at party_org.readFields(party_org.java:441)
at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:244)
... 12 more
Sqoop在导入MySQL数据时遇到Timestamp列为空时报错，解决方法是：在JDBC连接后加上?zeroDateTimeBehavior=convertToNull
例如：
sqoop import --driver com.mysql.jdbc.Driver --connect jdbc:mysql://192.168.4.48:3306/xdgc?zeroDateTimeBehavior=convertToNull --username root --password <...> --table party_org --hive-import --hive-table ori.party_org --incremental lastmodified --check-column last_update_time --last-value '2014-01-01 00:00:00.000'
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