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[Solved] RabbitMQ PRECONDITION_FAILED – unknown delivery tag

Hello Guys, How are you all? Hope You all Are Fine. Today I get the following error RabbitMQ PRECONDITION_FAILED – unknown delivery tag in php. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How RabbitMQ PRECONDITION_FAILED – unknown delivery tag Error Occurs?

Today I get the following error RabbitMQ PRECONDITION_FAILED – unknown delivery tag in php.

How To Solve RabbitMQ PRECONDITION_FAILED – unknown delivery tag Error ?

  1. How To Solve RabbitMQ PRECONDITION_FAILED – unknown delivery tag Error ?

    To Solve RabbitMQ PRECONDITION_FAILED – unknown delivery tag Error If you aknowledge twice the same message you can have this error.

  2. RabbitMQ PRECONDITION_FAILED – unknown delivery tag

    To Solve RabbitMQ PRECONDITION_FAILED – unknown delivery tag Error If you aknowledge twice the same message you can have this error.

Solution 1

“PRECONDITION_FAILED – unknown delivery tag” usually happens because of double ack-ing, ack-ing on wrong channels or ack-ing messages that should not be ack-ed.

So in same case you are tying to execute basic.ack two times or basic.ack using another channel

Solution 2

If you aknowledge twice the same message you can have this error.

Summery

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you? Thank You.

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