oracle.discoiv.Disco4iv: Discoverer error: java.lang.NullPointerException

Oracle Community | 346644 | 1 decade ago
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    9i Discoverer Server Unable to display Charts

    Oracle Community | 1 decade ago | 346644
    oracle.discoiv.Disco4iv: Discoverer error: java.lang.NullPointerException

    Root Cause Analysis

    1. oracle.discoiv.Disco4iv

      Discoverer error: java.lang.NullPointerException

      at oracle.discoiv.state.DataAvailableState.getExportFormat()
    2. oracle.discoiv.state
      StateMachine.getData
      1. oracle.discoiv.state.DataAvailableState.getExportFormat(DataAvailableState.java:394)
      2. oracle.discoiv.state.DataAvailableState.getData(DataAvailableState.java:77)
      3. oracle.discoiv.state.StateMachine.getData(StateMachine.java:128)
      3 frames
    3. oracle.discoiv.controller
      DiscovererController.getData
      1. oracle.discoiv.controller.DiscovererController.getData(DiscovererController.java:262)
      1 frame
    4. oracle.discoiv.servlet
      DiscoServlet.doGet
      1. oracle.discoiv.servlet.DiscovererHttpHandler.processRequest(DiscovererHttpHandler.java:110)
      2. oracle.discoiv.servlet.DiscoServlet.doRequest(DiscoServlet.java:314)
      3. oracle.discoiv.servlet.DiscoServlet.doGet(DiscoServlet.java:148)
      3 frames