1556854 - Error: NullPointerException using OBN Navigation | SAP Knowledge Base Article

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1556854 - Error: NullPointerException using OBN Navigation

Symptom

  • "java.lang.NullPointerException" will be logged in the defaultTrace each time an OBN navigation is triggered
  • OBN navigation is working correctly!
  • NullPointerException when using OBN navigation in NetWeaver Portal
  • Example of the Error exceptions from defaultTrace:

    ... Error# java.lang.NullPointerException: while trying to
    invoke the method java.lang.String.length() of an object loaded from
    local variable ...

    ... Error# java.lang.StringBuffer ...

    ... Error# com.sap.portal.unification.obntargetcreator.ParameterMapping ...

    ... Error# com.sap.portal.navigation.mapping.OBNParametersMapping ...


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Environment

SAP NetWeaver Portal  7.00, 7.01 and 7.02

Product

SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 2 for SAP NetWeaver 7.0

Keywords

java.lang.StringBuffer, getOBNMappedParameters,  obntargetcreator, ParameterMapping, OBN Parameter Mapping TRUE, com.sap.portal.navigation.objbased, OBNParametersMapping, ParametersMappingActive , KBA , EP-PIN-OBN , Object Based Navigation , Problem

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