2509762 - HTTP 500 error received in AS2 sender channel

You configured a sender AS2 channel and your partner tries to send you an AS2 message but they receive an HTTP 500 error. In the default traces you found similar entries:

500 Internal Server Error is returned for HTTP request [https://<host>:<port>/AS2/SapErrorHandlerServlet]:
  component [AS2DispatcherServlet],
  web module [AS2],
  application [sap.com/com.sap.aii.adapter.as2.app],
  DC name [sap.com/com.sap.aii.adapter.as2.app],
  CSN component[BC-XI-CON-B2B],
  problem categorization [com.sap.ASJ.web.000137],
  internal categorization [-1355819106].

[EXCEPTION]
javax.servlet.ServletException: AS2 adaper is not running: java.lang.NullPointerException: while trying to invoke the method com.sap.engine.interfaces.messaging.api.Message.getMessageId() of a null object loaded from field com.sap.aii.adapter.as2.ra.integration.ChannelDispatcher.xiMessage of an object loaded from local variable 'this'
at com.sap.aii.adapter.as2.servlet.AS2DispatcherServlet.doPost(AS2DispatcherServlet.java:262)

Read more...

• SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1 >= SP08
• SAP NetWeaver 7.3 >= SP05
• SAP enhancement package 1 for SAP NetWeaver 7.3
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5
• SAP Process Integration, business-to-business add-on

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Process Integration, business-to-business add-on 1.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1

AS2, AS2 Sender, AS2 Subject, AS2From, AS2To, HTTP 500 error. ChannelDispatcher error, com.sap.aii.adapter.as2.ra.integration.ChannelDispatcher.xiMessage, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX , KBA , BC-XI-CON-B2B-AS2 , Applicability Statement Protocol Adapter , Problem