Error  :


Failed with exception java.io.IOException:org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer



reason :

在设置IO类型时采用了错误的数据类型


fieldNames.add("activityName");//9
fieldOIs.add(PrimitiveObjectInspectorFactory.javaStringObjectInspector);

previous :
fieldOIs.add(PrimitiveObjectInspectorFactory.javaIntObjectInspector);


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