Servlets & Charts

Hi!
I'd like use Perspective chart in servlet (as GIF generator). Everything works fine in JDeveloper (WTG), but in my main web server (Netscape Enterprise 4.1) I get error message about invalid operation with swing's UpdateUI. Any help???
Tomek

I handled this a wile ago (several years now) using 2D graphics to create a GIF which was served back to the web browser via a servlet. It wasn't a spectacular package but it worked pretty well and fairly quick. The one HUGE problem I had was during deployment. I had developed this on an NT Workstation (WebLogic I believe) and deployed to a headless Solaris Server. Because the server didn't have a graphics card, it was unable to peform the 2D graphics. I'm not sure if this is still the case. Because I was only doing bar charts, I ended up setting the width of a colored GIF file which ended up representing a bar. Kind of a hack but it worked remarkably well.

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  • IE problem with img tag calling stored procedure

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    null

  • A problem with servlet  mapping , using a servlet to produce some chart in

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  • Need a good charting library (for use in a servlet/jsp environment)

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    There...Yonder....Over the cliff...Coming on strong......The entire Bolivian army...

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  • Chart Servlet

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    Post Author: training2go
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         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.component.UIXCollection.encodeEnd(UIXCollection.java:529)
         at oracle.adfinternal.view.faces.bi.renderkit.gantt.GanttChartTreeTable.encodeEnd(GanttChartTreeTable.java:100)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at oracle.adf.view.rich.render.RichRenderer.encodeStretchedChild(RichRenderer.java:1963)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelSplitterRenderer._renderPane(PanelSplitterRenderer.java:1044)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelSplitterRenderer._renderSecondPane(PanelSplitterRenderer.java:959)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelSplitterRenderer.encodeAll(PanelSplitterRenderer.java:197)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:298)
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         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:241)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.__encodeRecursive(UIXComponentBase.java:1515)
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         at oracle.adfinternal.view.faces.bi.renderkit.gantt.RichGanttRenderer.encodeGantt(RichGanttRenderer.java:1919)
         at oracle.adfinternal.view.faces.bi.renderkit.gantt.RichProjectGanttRenderer.encodeGantt(RichProjectGanttRenderer.java:391)
         at oracle.adfinternal.view.faces.bi.renderkit.gantt.RichGanttRenderer.encodeAll(RichGanttRenderer.java:1247)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.component.UIXCollection.encodeEnd(UIXCollection.java:529)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:405)
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         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:255)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:330)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:298)
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         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.render.RenderUtils.encodeRecursive(RenderUtils.java:70)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:410)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:298)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:574)
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         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:432)
         at oracle.adfinternal.view.faces.renderkit.rich.PageTemplateRenderer.encodeAll(PageTemplateRenderer.java:70)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.encodeEnd(ContextSwitchingComponent.java:153)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:432)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer.encodeAll(RegionRenderer.java:176)
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         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at oracle.adf.view.rich.component.fragment.UIXRegion.encodeEnd(UIXRegion.java:289)
         at org.apache.myfaces.trinidad.render.RenderUtils.encodeRecursive(RenderUtils.java:70)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:410)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:2567)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:298)
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         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:241)
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         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
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         at oracle.adfinternal.view.faces.renderkit.rich.DecorativeBoxRenderer.encodeFacet(DecorativeBoxRenderer.java:290)
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         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
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         at oracle.adfinternal.view.faces.renderkit.rich.PanelSplitterRenderer.encodeAll(PanelSplitterRenderer.java:197)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1369)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
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         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:416)
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         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:574)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:241)
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         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
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         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:765)
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         at org.apache.myfaces.trinidad.component.UIXComponentBase.__encodeRecursive(UIXComponentBase.java:1515)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeAll(UIXComponentBase.java:786)
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