NIFI IMAP 消耗处理器问题

Question

我们在 nifi 管道中使用 IMAP 消费者处理器来读取来自 office 365 的电子邮件。我们在使用来自 office 365 邮箱的电子邮件时一直在观察 IMAP 处理器中的问题。 请查找以下错误日志以供参考。

2021-01-04 11:00:00,286 ERROR [Timer-Driven Process Thread-6] o.a.nifi.processors.email.ConsumeIMAP ConsumeIMAP[id=c31e4176-842d-3464-b870-2460ee675eee] Failed to receive messages from Email server: [javax.mail.MessagingException - A3 BAD Request is throttled. Suggested Backoff Time: 68448 milliseconds
2021-01-04 11:00:00,286 ERROR [Timer-Driven Process Thread-6] o.a.nifi.processors.email.ConsumeIMAP ConsumeIMAP[id=c31e4176-842d-3464-b870-2460ee675eee] Failed to process session due to org.apache.nifi.processor.exception.ProcessException: Failed to receive messages from Email server: [javax.mail.MessagingException - A3 BAD Request is throttled. Suggested Backoff Time: 68448 milliseconds: org.apache.nifi.processor.exception.ProcessException: Failed to receive messages from Email server: [javax.mail.MessagingException - A3 BAD Request is throttled. Suggested Backoff Time: 68448 milliseconds
org.apache.nifi.processor.exception.ProcessException: Failed to receive messages from Email server: [javax.mail.MessagingException - A3 BAD Request is throttled. Suggested Backoff Time: 68448 milliseconds
at org.apache.nifi.processors.email.AbstractEmailProcessor.fillMessageQueueIfNecessary(AbstractEmailProcessor.java:328)
at org.apache.nifi.processors.email.AbstractEmailProcessor.receiveMessage(AbstractEmailProcessor.java:381)

以下是 nifi 属性：

图像.png

如果我们在上面的截图中遗漏了一些配置，请告诉我们。

感谢和问候，
伊布尼哈桑

Answer 1

这不是 NiFi 特有的错误 - O365 告诉您您正在受到限制。您需要适当调整 O365 设置，这超出了 NiFi 的范围。

见：

1. https://docs.microsoft.com/en-gb/archive/blogs/exchangedev/exchange-online-throttling-and-limits-faq
2. https://docs.microsoft.com/en-us/exchange/mailbox-migration/office-365-migration-best-practices#office-365-throttling