[HtmlUnit] [htmlunit:bugs] #1691 [MutationObserver] Few TypeError's on website load

[RBRi <rb...@us...>]

- **status**: open --> closed
- **assigned_to**: RBRi



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** [bugs:#1691] [MutationObserver] Few TypeError's on website load**

**Status:** closed
**Group:** Latest SVN
**Created:** Fri Jun 05, 2015 06:34 AM UTC by Matthew
**Last Updated:** Fri Mar 10, 2023 06:54 PM UTC
**Owner:** RBRi
**Attachments:**

- [Test.java](https://sourceforge.net/p/htmlunit/bugs/1691/attachment/Test.java) (3.4 kB; application/octet-stream)
- [error.txt](https://sourceforge.net/p/htmlunit/bugs/1691/attachment/error.txt) (61.1 kB; text/plain)


I am creating a small program that monitors a webpage for changes in data that can then be presented to me.  I am currently able to login to the site without any issues, but once back on the main page it does not update with new values.  Also when retrieving the main page an exceptions are thrown.  Below is the sample code I was testing with.  I also tried to use addHtmlAttributeChangeListener and addDomChangeListener, which was called at the correct times when changes were to be made, but the page never updated.

I do not know if this is a bug or a problem with my code, but I can not find it anywhere else.  The website works fine without any errors on firefox and chrome.  The error log and test java file are attacked so this post isnt too long.




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