hg 19 unavailable

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Charlotte Hemingbrough

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May 29, 2026, 2:18:08 AM (2 days ago) May 29
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Hi 

I am using desktop version 2.16.2 and for the past 24 hours have been unable to load human genome hg19 - getting the following error:

Unexpected error: com.google.gson.stream.MalformedJsonException: Use     JsonReader.setLenient(true) to accept malformed JSON at line 2 column 12     path $.
See igv.log for more details  

The genome server URL on my advanced settings is: https://igv.org/genomes/genomes.tsv

Thanks in advance

igv-help

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May 29, 2026, 2:18:38 AM (2 days ago) May 29
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I'm working on a solution now.   

igv-help

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May 29, 2026, 2:44:04 AM (2 days ago) May 29
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This should be fixed, but you will need to re-download your genome from the server.  To do this use "Genomes > Select Genome from Host".

Let us know if this resolves the problem.

Charlotte Hemingbrough

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May 29, 2026, 9:18:34 AM (2 days ago) May 29
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Hi 

Unfortunately I am still getting the same error

igv-help

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May 29, 2026, 10:53:18 AM (2 days ago) May 29
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Just to verify,   you re-selected hg19 from the Genomes menu as shown in these screenshots? 

Screenshot 2026-05-29 at 7.48.51 AM.pngScreenshot 2026-05-29 at 7.50.09 AM.png



Charlotte Hemingbrough

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May 29, 2026, 1:13:09 PM (2 days ago) May 29
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I can confirm that was the steps taken but still received the same error

On Fri, 29 May 2026, 15:53 igv-help, <igv-...@googlegroups.com> wrote:
Just to verify,   you re-selected hg19 from the Genomes menu as shown in these screenshots? 

Screenshot 2026-05-29 at 7.48.51 AM.pngScreenshot 2026-05-29 at 7.50.09 AM.png



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igv-help

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May 29, 2026, 1:19:53 PM (2 days ago) May 29
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If you are unable to update to the latest IGV I will need more information.   You can email this information go igv...@broadinstitute.org if you don't wish to post it here.

First, confirm that your "Genome Server URL",  which you will find in "View > Preferences > Advanced",  is https://igv.org/genomes/genomes.tsv.

Second, could you take a screenshot of the contents of the directory "<user home>/igv/genomes"?  Preferably the screenshot will include the sizes of the files in that directory.

Finally, could you attach a copy of the file "hg19.json" in that directory?  Also,  if there is a file "hg19.genome" in the directory delete it.   In fact this might solve the issue.

Thanks



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