ElasticsearchDelivery 解析失败

ElasticsearchDelivery failed to parse

我正在使用 lambda 函数将数据发送到 kinesis-firehose,然后发送到 elasticsearch。在我的 ElasticsearchDelivery 日志中,出现以下错误:

{"type":"mapper_parsing_exception","reason":"failed to parse","caused_by":{"type":"not_x_content_exception","reason":"Compressor detection can only be called on some xcontent bytes or compressed xcontent bytes"}}

我正在努力在线寻找解决此问题的方法。我怀疑我在 lambda 函数中返回数据的方式有问题,但不确定如何修复它。

这是我的 lambda 函数:

exports.handler = async (event) => {
        var output = [];
        var records = event.records;
        records.map(function (record) {
            output.push({
                'recordId': record['recordId'],
                'result': 'Ok',
                'data':new Buffer(record.data).toString('base64') 
            })
        });

        console.log("OUTPUT!!!!:", output)
        return {'records': output};
    };

我不得不将数据更改为:

'data': record.data.toString('base64')