Type mismatch in value from map - 代码天地

Type mismatch in value from map

其他 2019-06-12 01:57:35 阅读次数: 0

在这里插入图片描述
查看Job中设置的输入输出的class数据类型和实际Mapper和Reducer中的输入输出数据类型是否一致。

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转载自blog.csdn.net/weixin_40626699/article/details/88815466

Type mismatch in value from map：

Type mismatch in value from map

hadoop问题Type mismatch in value from map解决方法

Type mismatch in value from map: expected org.apache.hadoop.io.Text, received org.apache.hadoop.io.

Type mismatch in key from map: expected .. Text, received … LongWritable

Type mismatch: cannot convert from element type Object to Map.Entry＜String,String＞

Type mismatch: cannot convert from CascadeType to CascadeType[]

Type mismatch: cannot convert from ComboPooledDataSource to DataSource

Type mismatch in key from map: expected org.apache.hadoop.io.Text, received org.apache.hadoop.io.LongWritable

Type mismatch affecting row number 0 and column type 'BIGINT': Value [7] is of type [Integer] and c

Cannot determine value type from string 'xxxxxx'

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Cannot determine value type from string ‘山东‘

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Cannot deserialize value of type `int` from String “{}“: not a valid `int` value；

Failed to convert from type [null] to type [int] for value 'null';

Could not set property 'id' of 'class XX' with value 'XX' argument type mismatch 解决办法

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