Symptom
- Using the latest version of DP Agent and you see the DP Agent disconnecting often
- In the DP Agent framework trace there is the warning
2024-06-28 11:35:42,843 [WARN ] DPFramework | JDBCConnector.writeMessageInternal [] - JDBC connection(10) Server says an invalid request was received: Message rejected, invalid agent token - Following the warning the DP Agent terminates the session and one can see the messages related to session termination in the framework trace. After the termination, the DP Agent restarts with the message
2024-06-28 11:57:38,806 [INFO ] DPFramework | Activator.start [] - Framework Starting...!!
Environment
SAP Datasphere
Cause
- A HANA DP server crash
- Another DP Agent running with the same name connecting to the server.
Resolution
- Create a database user follow help link Create a Database Analysis User to Debug Database Issues and check the dp server trc file to see if the server is restarting with statements like this during the same timestamp when the warning appeared in the dp agent framework.trc file.
2024-06-29 22:53:27.815163 i Basis TraceStream.cpp(00524) : ==== Starting hdbdpserver - If there are other DP agents trying to connect to the same Datasphere tenant. Stop the DP Agents running and check to see if the issue gets resolved.
See Also
Keywords
dpagent, dp server, dp agent, framework, trace, database user , KBA , DS-DI-CON , Connections , HAN-DP-SDI , SAP HANA smart data integration (SDI) , Problem
Product
SAP Datasphere 1.0