Resolution:
Description:
===========
Once the Google Chrome frame plugin is installed, the Form preview in studio does not work.

Environment:
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TIBCO Business Studio – BPM Edition v3.5.20
Google Chrome Frame plugin – v28

Symptoms:
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When Form - Preview is clicked, the following pop-up box is seen:

Title - Message from webpage
Body – WARNING: Unable to instantiate ‘class com.allen_sauer.gwt.log.client.DivLogger’ due to com.google.gwt.core.client.JavaScriptException: (TypeError): Object doesn’t support this property or method
              number: -2146827850
              description: Object doesn’t support this property or method

When clicked Ok, the below message is seen instead of the Form Preview –

(TypeError): Object doesn't support this property or method number: -2146827850 description: Object doesn't support this property or method
Please check the log for more details.

Cause:
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Form – Preview tries to open a webpage. This triggers the below issue with the Eclipse Platform -  

https://bugs.eclipse.org/bugs/show_bug.cgi?id=317322

Resolution:
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Eclipse Bug 317322 should resolve this issue. In the meanwhile, there are two alternatives that could be used:

1). Uninstall the Google Chrome Frame plugin.

2). Preview the form in an external browser or IE. When the preview fails to load, you can right-click – Properties and copy/paste the address (URL) into a browser.

References:
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https://bugs.eclipse.org/bugs/show_bug.cgi?id=317322

In TIBCO Business Studio - BPM Edition, Form preview feature does not work after the Google Chrome frame plugin is installed.