2480283 - NWDS error: Another key for this value already exists | SAP Knowledge Base Article

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2480283 - NWDS error: Another key for this value already exists


  • You are using Process Integration (PI) or Process Orchestration (PO) and cannot open a mapping-object in the NeWeaver Developer Sudio (NWDS) or export the mapping to spreadsheet.
  • You receive the below error:
    java.lang.IllegalArgumentException: Another key for this value already exists.
    at com.sap.ide.esr.tools.core.util.BijectiveMap.testPut(BijectiveMap.java:51)
    at com.sap.ide.esr.tools.core.util.BijectiveMap.put(BijectiveMap.java:61)
    at com.sap.ide.esr.tools.mapping.ui.model.NodeModel.createVariable(NodeModel.java:130)
    at com.sap.ide.esr.tools.mapping.ui.model.NodeModel.reloadVariables(NodeModel.java:106)
    at com.sap.ide.esr.tools.mapping.ui.editor.MappingTool.verifyMappings(MappingTool.java:363)
    at com.sap.ide.esr.tools.mapping.ui.editor.MappingTool.refreshMessages(MappingTool.java:328)
    at com.sap.ide.esr.tools.mapping.ui.editor.MessageMappingOverviewPage.reloadPage(MessageMappingOverviewPage.java:96)
    at com.sap.ide.esr.tools.mapping.ui.editor.MessageMappingOverviewPage.createFormContent(MessageMappingOverviewPage.java:43)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1488)



  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration


SAP NetWeaver all versions ; SAP Process Integration all versions


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, Eclipse Tools , KBA , BC-XI-IDE-IFL , NWDS / Eclipse IDE Tools for Integration Flow , BC-XI-IDE-MAP , Eclipse Tools for mapping tooling , Problem

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