This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.
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Process instances which execute a K2 Connect SmartObject intermittently get connection-related errors.
- Type 'ERPConnect.CommunicationException' in Assembly 'ERPConnect35, Version=22.214.171.124, Culture=neutral, PublicKeyToken=737201975e95eeee' is not marked as serializable.
RfcInvoke failed(RFC_INVALID_HANDLE): Invalid RFC connection handle: 486516512;
LOCATION CPIC (TCP/IP) on local host with Unicode
ERROR program state check for conversation 82710016
TIME Tue Aug 15 11:22:41 2017
COMPONENT CPIC (TCP/IP) with Unicode
DETAIL called function STSEND in state state=BUFFER_DATA2
- RfcInvokeFailed(RFC_INVALID_HANDLE): An invalid handle was passed to the API call;
Multiple instances of the process are kicked off at the same time. A possible reason for the intermittent connection errors certain instances would receive, would be the simultaneous K2 Connect SmartObject calls to SAP
A fix is available for K2 Connect 4.7. If you are experiencing a similar issue, kindly log a ticket to K2 Support referencing this KB article to obtain the fix.