1546732 - Error creating JCO connection: NullPointerException | SAP Knowledge Base Article

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1546732 - Error creating JCO connection: NullPointerException

Symptom

When creating or viewing a Jco connection in the Web Dynpro Content Administrator it fails with a similar error to the following:

Screen shot

Error as seen in the defaultTrace:

  • Exception occured during processing of Web Dynpro application sap.com/tc~wd~tools/Explorer. The causing exception is nested. 
    [EXCEPTION]
     java.lang.NullPointerException
    at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.checkStatus(SystemLandscapeFactory.java:991)
    at com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscape.checkStatus(WDSystemLandscape.java:485)
    at com.sap.tc.webdynpro.tools.sld.NameDefinition.updateJCODestinations(NameDefinition.java:286)
    at com.sap.tc.webdynpro.tools.sld.NameDefinition.updateNavigation(NameDefinition.java:251)
    at com.sap.tc.webdynpro.tools.sld.NameDefinition.wdDoInit(NameDefinition.java:158)
    at com.sap.tc.webdynpro.tools.sld.wdp.InternalNameDefinition.wdDoInit(InternalNameDefinition.java:236)
    .............

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Environment

  • SAP J2EE Engine 640
  • SAP J2EE Engine 700
  • Product

    SAP NetWeaver 2004 ; SAP NetWeaver 7.0

    Keywords

    JCo Destinations , KBA , BC-WD-JAV , Web Dynpro Java , BC-MID-CON-JCO , Java-Connector , Problem

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