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In addition to the Local/Global package conflict issue described above, other issues can arise involving R Studio Server (or less commonly, command-line R). If all else fails, submit a help request to our rctf-support@utexas.edu support email.
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R Studio Server becomes unresponsive
One common problem is that R Studio Server may become unresponsive, even with repeated attempts to establish a new session. To troubleshoot this sort of issue, close the R Studio Server application and make some R-associated files and directories invisible to R like this:
| Code Block |
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mv ~/.rstudio ~/.rstudio.bak
mv ~/.RData ~/.RData.bak
mv ~/.local ~/.local.bak |
Note that .RData files may be in different directories. For example, if you a working in an R Project you have set up, there may be an .RData file in the project directory.
| Tip |
|---|
Large .RData files can be extremely slow to load from both R and R Studio Server. If you must save R data this way, consider renaming the .RData file to a different name so that it can be loaded explicitly only when needed, instead of always when R is invoked. |
Browser issues
A number of other issues can occur when attempting to reach the use RStudio server from in a browser. Most commonly these occur when first connecting to the server, but can also occur at later stages of use.
One common error . A common one is the "This site can't be reached" browser error (Windows), which may indicate a browser-related security issue.
For this and other initial connection browser related problems:
- Close all browser windows and restart your computer.
- Fragmented RAM (computer memory) can sometimes cause problems.
- Make sure the browser software being used is the latest version.
- Version checks are usually found in the browser's "Help" → "About" dialog, accessible from the options menu in the upper right of a browser's taskbar.
- Try different browsers (e.g. Firefox instead of Chrome, Microsoft Edge, or Safari).
- If it is a security issue, a different browser may indicate that there are security risks accessing the website, but give the option to accept the risk and go ahead.
- Try accessing the site from an "Incognito" or "Private" browser window (usually found in an options menu in the upper right of a browser's taskbar.
- This can bypass browser cache or cookie issues that can interfere with connections.
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If accessing a specific server works when using the virtual host does not, please let us know by emailing our rctf-support@utexas.edu support email.
R Studio Server becomes unresponsive
One common problem is that R Studio Server may become unresponsive, even with repeated attempts to establish a new session. To troubleshoot this sort of issue, close the R Studio Server application and make some R-associated files and directories invisible to R like this:
| Code Block |
|---|
mv ~/.rstudio ~/.rstudio.bak
mv ~/.RData ~/.RData.bak
mv ~/.local ~/.local.bak |
Note that .RData files may be in different directories. For example, if you a working in an R Project you have set up, there may be an .RData file in the project directory.
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Disk quota exceeded
Another type of problem can arise when a user's 100 GB Home directory quota has been exceeded (not applicable on the EDU pod). This can produce errors when trying to start R Studio Server or R, perform work in R, or even install additional packages. For example, you may see a "Cannot connect to service" message after logging in to R Studio Server. Or, if an R session has been established and saving a new file would exceed the Home directory quota, users will often (but not always) see an error like the following:
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