【Azure Event Hub】Event Hub的Process Data页面无法通过JSON格式预览数据

问题描述

在Event Hub的门户页面中，可以通过Process Data页面查看Event Hub中的数据，但是当使用JSON格式预览时（View in JSON），却出现错误。

消息一： No data was found for preview from 'test01'. Make sure the input has recently received data and the correct format of those events has been selected. [SessionID: 6b15d63464bf41f9b6e6c758f58a26ef 

消息二：Source '<unknown_location>' had 1 occurrences of kind 'InputDeserializerError.InvalidData' between processing times '2023-07-24T06:24:42.5057556Z' and '2023-07-24T06:24:42.5057556Z'. Could not deserialize the input event(s) from resource 'Partition: [0], Offset: [0], SequenceNumber: [0]' as Json. Some possible reasons: 1) Malformed events 2) Input source configured with incorrect serialization format

只是，在Event Hub中是存有数据的。如下图左边的Incoming Message中，有98条数据，但是在右边的Query页面中，却无法正确显示。