SAP Knowledge Base Article - Preview

2826656 - Agentry Error: Web socket session error: null


  • While synching to the Agentry Cloud Edition using Work Manager, there is an error that shows up in the Cloud log file that looks like the following:

    ~~~~~~~~~~Start Here~~~~~~~~~~
    2019 08 06 C, 722, 21,  16, 08/06/2019 14:31:06,    ,975341,   378,   usernameA, >unknown< |

    2019 08 06 socket session error: null

               at org.apache.coyote.http11.upgrade.NioServletInputStream.doRead(


               at org.apache.tomcat.websocket.server.WsFrameServer.onDataAvailable(

               at org.apache.tomcat.websocket.server.WsHttpUpgradeHandler$WsReadListener.onDataAvailable(

               at org.apache.coyote.http11.upgrade.AbstractServletInputStream.onDataAvailable(

               at org.apache.coyote.http11.upgrade.AbstractProcessor.upgradeDispatch(

               at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(


     ~~~~~~~~End here~~~~~~~~~~~~

#NOTE: Let usernameA be a placeholder in this article and equal to the actual user's mobile username

  • What does this error mean?



  • SAP Work Manager 6.5 ACE
  • SAP HEC Environment (SMP 3.0)
  • Agentry Cloud Edition (ACE Server)


SAP Mobile Platform 3.0 ; SAP Work Manager 6.5.0


" Web socket session error","Web socket session error: null","Agentry Cloud Edition","ACE crash","ACE error","Agentry Error 13","Work Manager fail to transmit" , KBA , MOB-CLD-AGS , HCP Cloud Agentry services , MOB-SYC-SAP , Syclo Mobility for SAP backend , MOB-ONP-AGS , SAP Mobile On Premise Agentry Server , MOB-ONP-COR , SAP Mobile On Premise Core Services , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.