Frequently Asked Questions
JBrowse is taking a long time to complete?
Normally this should be done in around 3 minutes. However, it might be busy on the servers, so please be patient and come back to it later.
What is a SNP?
SNP (pronounced “snip”) stands for Single Nucleotide Polymorphism. This means a single nucleotide change as compared to the reference genome.
Tip: Using IGV with Galaxy
You can send data from your Galaxy history to IGV for viewing as follows:
- Install IGV on your computer (IGV download page)
- Start IGV
- In recent verions of IGV, you will have to enable the port:
- In IGV, go to
View > Preferences > Advanced
- Check the box
- In Galaxy, expand the dataset you would like to view in IGV
- Make sure you have set a reference genome/database correctly (dbkey) (instructions)
display in IGV, click on
Tip: If a Tool is Missing
If you can’t find a tool you need for a tutorial on Galaxy, please:
- Check that you are using a compatible Galaxy server
- Navigate to the overview box at the top of the tutorial
- Find the “Supporting Materials” section
- Check “Available on these Galaxies”
- If your server is not listed here, the tutorial is not supported on your Galaxy server
- You can create an account on one of the supporting Galaxies
- Use the Tutorial mode feature
- Open your Galaxy server
- Click on the curriculum icon on the top menu, this will open the GTN inside Galaxy.
- Navigate to your tutorial
- Tool names in tutorials will be blue buttons that open the correct tool for you
- Note: this does not work for all tutorials (yet)
- Still not finding the tool?
- Ask help in Gitter.
Tip: Troubleshooting errors
When someting goes wrong in Galaxy, there are a number of things you can do to find out what it was. Error messages can help you figure out whether it was a problem with one of the settings of the tool, or with the input data, or maybe there is a bug in the tool itself and the problem should be reported. Below are the steps you can follow to troubleshoot your Galaxy errors.
- Expand the red history dataset by clicking on it.
- Sometime you can already see an error message here
View the error message by clicking on the bug icon galaxy-bug
- Check the logs. Output (stdout) and error logs (stderr) of the tool are available:
- Expand the history item
- Click on the details icon
- Scroll down to the Job Information section to view the 2 logs:
- Tool Standard Output
- Tool Standard Error
- Submit a bug report! If you are still unsure what the problem is.
- Click on the bug icon galaxy-bug
- Write down any information you think might help solve the problem
- See this FAQ on how to write good bug reports
- Click galaxy-bug Report button
- Ask for help!