SAP Knowledge Base Article - Preview

1943340 - JDBC: Messages are stuck in "To Be Delivered" status

Symptom

In Message Monitoring tool you notice that there are several messages stuck with "To Be Delivered" status regarding JDBC communication channels.
The Monitoring tools depending on the system version are the followings:

In SAP NetWeaver PI 7.1x:

  1. Open Runtime Workbench tool at http://<host>:<port>/rwb
  2. Open the Queue Information overview: goto Component Monitoring -> Display -> Adapter Engine -> Engine Status -> Additinal Data.
  3. You notice that there are plenty of entries in DispatchDisp queue and in one of the four JDBC_http://sap.com/xi/XI/System* queues:

    queue-information.PNG

In SAP NetWeaver 7.3x & 7.4x:

  1. Open the PI Monitoring tool at http://<host>:<port>/pimon
  2. Open the Java Adapter queues overview at Monitoring -> Adapter Engine -> Engine Status -> Additional Data.
  3. You notice that there are plenty of entries in DispatchDisp queue and in one of the four JDBC_http://sap.com/xi/XI/System* queues

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Environment

  • SAP NetWeaver Process Integration 7.1
  • SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1
  • SAP NetWeaver 7.3
  • SAP enhancement package 1 for SAP NetWeaver 7.3
  • SAP NetWeaver 7.4

Product

SAP NetWeaver 7.1 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1

Keywords

JDBC, To Be Delivered, Messages stuck, threads, Java queues, TBD, RWB, PIMON, Component Monitoring, Display, Adapter Engine, Engine Status, Additinal Data, DispatchDisp, JDBC, Queue Information, Java Adapter, Queues, Sender, Receiver, Communication Channel, JDBC database, JDBC messages, EOIO, Threads, Timeout parameter, Integration Builder, Advanced Mode, Parameters tab, Advanced tab, poolWaitingTime, Milliseconds, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Integration 7.4, PI 7.4 , KBA , BC-XI-CON-JDB , JDBC Adapter , Problem

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