How to Get Rid of that Pesky “missing (jsForm.htm)” Message in ArcIMS

Caitlin Dempsey

Major content update:

Minor updates:

A faded web map with a circle with a red line over a computer popup message.

If you have ever worked on customizing an ArcIMS’ Htmlviewer application, you’ve probably run into an alert box informing you “Unable to start. Required HTML Form missing (jsForm.htm).”

The file is where it should be but you’re still getting that message.

These quick steps provide a solution to removing that alert box.

Difficulty Level: Easy    Time Required: One minute


Here’s How:





  • Open the aimsCommon.js in a text editor.
  • Look for the function getStartExtent.
  • Find the section:
    } else { alert(“Unable to start. Required HTML Form missing (jsForm.htm).”); }
  • Change this code to:
    } else { parent.location.reload(); //alert(“Unable to start. Required HTML Form missing (jsForm.htm).”); }

Tips:

  • Make sure you clear your cache to remove any old files.
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Caitlin Dempsey

Caitlin Dempsey is a geographer, writer, and founder and editor of Geography Realm. She holds bachelor's and master's degrees in Geography from UCLA and a Master of Library and Information Science (MLIS) from San José State University.

For more than two decades, she has written about geography, maps, geographic information systems (GIS), remote sensing, satellite imagery, and environmental science. Her work focuses on making geography accessible to a broad audience through articles, tutorials, and educational resources.

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1 thought on “How to Get Rid of that Pesky “missing (jsForm.htm)” Message in ArcIMS”

  1. i always face the same problem“Unable to start. Required HTML Form missing (jsForm.htm).” in this site and i cant solve it.

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