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MAPReducer Driver运行报错Exception in thread "main" java.lang.RuntimeException: com.aliyun.odps.OdpsException: java.lang.ClassCastException: com.aliyun.odps.io.DoubleWritable cannot be cast to com.aliyun.odps.io.LongWritable

我是照着海量电力设备监测数据存储分析里面的海量电力设备监测数据存储分析实验步骤来的，代码这些都是和教程里面是一样的，在用eclipse运行TJDriver时候报错。Exception in thread "main" java.lang.RuntimeException: com.aliyun.od...

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