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2229801 - RFC Receiver channel does not retry if conection pool is exhausted

Symptom

You have a receiver RFC channel configured with a certain pool size(by Maximum Connections parameter).
You notice the following error occurs when there're multiple messages sent to this channel at the same time:

com.sap.aii.adapter.rfc.core.client.RfcClientException: resource error: could not get a client from JCO.Pool:
com.sap.mw.jco.JCO$Exception: (106) JCO_ERROR_RESOURCE: Connection pool RfcClient[<Channel Name>]
<GUID> is exhausted. The current pool size limit (max connections) is <n> connections.


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Environment

SAP Netweaver Process Integration

Product

SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Keywords

RFC receiver channel, connection pool, retry, JCO_ERROR_RESOURCE, size limit, exhausted. , KBA , BC-XI-CON-RFC , RFC Adapter , Problem

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