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

SAP Knowledge Base Article - Preview

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

About this page

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

Search for additional results

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