Question

sqoop导出失败并显示错误。

我的导出命令是：
sqoop export --connect jdbc:mysql://<ip>:3306/<database> --username user --password pass --verbose --table <table name> --export-dir <dir in hdfs>

字段由hive默认分隔符终止。

错误消息：

15/01/12 08:50:23 INFO mapred.JobClient: Task Id :     attempt_201412261920_1440_m_000000_1, Status : FAILED
java.util.NoSuchElementException
at java.util.ArrayList$Itr.next(ArrayList.java:757)
at <tablename>.__loadFromFields(<tablename>.java:418)
at <tablename>.parse(<tablename>.java:332)
at com.cloudera.sqoop.mapreduce.TextExportMapper.map(TextExportMapper.java:81)
at com.cloudera.sqoop.mapreduce.TextExportMapper.map(TextExportMapper.java:40)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at com.cloudera.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:189)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:647)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323)
at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:416)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
at org.apache.hadoop.mapred.Child.main(Child.java:264)`

Answer 1

我发现了错误..这是来自hive和mysql表的列不匹配的bcz。现在它运作良好。

sqoop导出无法从hive仓库文件夹将数据加载到mysql中

1 个答案: