• 解决sqoop报错:SQLServerException: 将字符串转换为 uniqueidentifier 时失败。


    报错栈:

    Error: java.io.IOException: Cannection handler cannot recover failure: 
            at org.apache.sqoop.mapreduce.db.SQLServerDBRecordReader.nextKeyValue(SQLServerDBRecordReader.java:169)
            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$2.run(YarnChild.java:164)
            at java.security.AccessController.doPrivileged(Native Method)
            at javax.security.auth.Subject.doAs(Subject.java:422)
            at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
            at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
    Caused by: java.io.IOException: SQLException in nextKeyValue
            at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:277)
            at org.apache.sqoop.mapreduce.db.SQLServerDBRecordReader.nextKeyValue(SQLServerDBRecordReader.java:148)
            ... 12 more
    Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: 将字符串转换为 uniqueidentifier 时失败。
            at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:216)
            at com.microsoft.sqlserver.jdbc.SQLServerResultSet$FetchBuffer.nextRow(SQLServerResultSet.java:4853)
            at com.microsoft.sqlserver.jdbc.SQLServerResultSet.fetchBufferNext(SQLServerResultSet.java:1781)
            at com.microsoft.sqlserver.jdbc.SQLServerResultSet.next(SQLServerResultSet.java:1034)
            at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:237)
            ... 13 more
    解决:uniqueidentifier类型的列不能作为参数--split-by的值
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  • 原文地址:https://www.cnblogs.com/aprilrain/p/7118818.html
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