Question: Unable to use custom build/dbkey
gravatar for kmsindelar
24 months ago by
kmsindelar0 wrote:


I'm using the public main Galaxy instance from a browser. Since Sunday morning, the Trackster visualizer has refused to load my custom build. It reports "Could not load chroms for this dbkey:" and the name of my build. This error message occurs intermittently, rather than every time; sometimes it'll just read 'Loading' instead of giving chromosome names, and 0-0 instead of coordinates. But error message or not, no dataset will load.

Has anyone else been having this issue, or know of a workaround? I'd been using this visualization successfully for ~6 weeks (for an assignment due, hilariously, last Sunday night). I'm heartbroken.

ADD COMMENTlink modified 24 months ago by Jennifer Hillman Jackson25k • written 24 months ago by kmsindelar0
gravatar for Jennifer Hillman Jackson
24 months ago by
United States
Jennifer Hillman Jackson25k wrote:


The problem could be due to continued maintenance items still in progress. Full details here:

However, I suspect that the custom build itself could be the source of the problem. It might be undergoing data migration or, if created recently, it may be corrupted (meaning - the job indexing the genome failed at some step and that wasn't captured properly due to other server issues).


  1. Recreate the Custom Build now and try again. Delete the prior or use a different dbkey name for the build. Avoid having two custom builds associated with the same account that use the same dbkey.

  2. Wait for the banner at to clear, then try the above.

  3. Consider using a different Galaxy server until maintenance is completed at Galaxy main.

Hopefully one of these options works out for you! Jen, Galaxy team

ADD COMMENTlink modified 24 months ago • written 24 months ago by Jennifer Hillman Jackson25k
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