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File to RFC Synchronous Scenario: Error "Channel is not a Receiver Type"

Dear All,

We are using a File-to-RFC Synchronous scenario, where PI reads a file from a FTP server, and posts some business transaction synchronously into SAP. After posting the data, the SAP system gives back a status response corresponding to the data, which is captured by PI and a status file is written. The source file is moved to an archive folder. We are not using a BPM to achieve this; instead using RequestResponseBean and ResponseOneWayBean to achieve this. The interface was running without a hitch; suddenly we are experiencing a problem while processing the file. In the MDT, the error details are given as : Attempt to process file failed with Error: invalid receiver channel '45aartsfse92347g1g816deb10235b963b'. When we look through the defaultTrace.trc, we come accross an error which states:Channel 45aartsfse92347g1g816deb10235b963b is not receiver type. We tried CPACache refresh, anticipating that it is a Cache issue, but no luck whatsoever. Has anybody encountered such a problem? Is there a known solution to it?

Awaiting answers.

Thanks and Regards,


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  • Posted on Sep 10, 2010 at 08:55 AM

    It is actually a cache issue.

    Did you CPA cache refresh complete without any errors?

    try a full cache refresh. Else another option would be to try and restart the RFC adapter service from VA or NWA.

    And a final step might be to try to restart the java stack itself

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    • Hi Shabarish,

      Thanks for the prompt reply. We have solved the problem, although the reason was really trivial: The user who was monitoring RWB had accidentally stopped the File receiver channel. So, while processing the source file, the module processor found the stopped channel and identified it as a channel which is not of type receiver. That's why the error was triggered. Closing the thread.

      Thanks and Regards,


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