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Sep 13, 2023 at 08:28 PM

Mulesoft Receiving Timeout Error from SAP PO

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Hello SAP Gurus,

We have more than 25 synchronous interfaces using Rest sender in our landscape. These messages are coming from Mulesoft -> SAP PO -> SAP S4 and vice versa. Let's say for one interface, PO is receiving 20 messages and sending a response to S4 immediately. However, for some messages, there is a slight delay of 3 minutes before the response is sent to Mulesoft. Mulesoft is receiving the following error in this case, even though there is no error in SAP PO monitoring or communication channel error.

The sync timeout parameter is also configured in the sender rest channel, but this has not solved the issue.

Could you please suggest how to solve this issue? Do we need to add any additional parameters at the SAP PO side or Mulesoft side?

HTTP/1.0 500 Internal Server Error
<html><head><title>Application Server Error</title><style>

</style>
</head><body>
<div class="content">
<div class="valigned">
<p class="centerText">
<p class="errorTextHeader"> <span>500 Connection Timed Out
</span> </p>
<p class="detailText"> <span id="msgText">Timeout occured</span> </p>
<p class="detailText"> <span id="msgText">Server time: 2023-08-08 14:18:10</span> </p>
</p>
</div>
</div>
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Regards,

Kalyan