SAP Knowledge Base Article - Public

3492775 - Data Provisioning Agent disconnect often

Symptom

  1. Using the latest version of DP Agent and you see the DP Agent disconnecting often
  2. 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 
  3. 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

 2807852 - How to create DP Agent FullSystemDump - Smart Data Integration - SAP for Me

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