2520361 - Multi-mapping fails with NullPointerException in runtime

You configure a multi-mapping scenario (split via mapping) and get proper data to be splited if you test it in ESR. However, the following error occurs during runtime:

MappingException: Unexpected error while parsing the multi-structure document, NullPointerException:
while trying to invoke the method javax.xml.stream.XMLEventWriter.add(javax.xml.stream.events.XMLEvent) of an null object loaded from localvariable writer

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• PI Release Independent
• SAP NetWeaver
• SAP Process Integration

SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

multi-mapping, split, payload, NullPointerException, MappingException, Mapping Runtime, MultiStructureDocumentHandler, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, 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 Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI , KBA , BC-XI-CON-AFW-AAE , Advanced Adapter Engine , BC-XI-IBD-MAP , Integration Builder Design - Mapping , Problem