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Ubuntu 11.10 server side restart not working #82

davisford opened this Issue · 17 comments

7 participants

  • node v0.6.14
  • nodemon 0.6.14
uname -a
Linux kafka 3.0.0-15-generic #26-Ubuntu SMP Fri Jan 20 17:23:00 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Server side changes are not restarted by nodemon. I saw this: #79, but this is a normal linux install, not on a read-only filesystem.

Same code base checked out on Mac OS X started with: nodemon app.js => edit app.js => save => nodemon restarts app.js

On Ubuntu 11.10, nodemon does not restart app.js

Any ideas?


i guess this is a dupe of #66 -- i'm also using socketstream. fix was mentioned to drop down to 0.5.7 nodemon. note remy said fix would be pushed to 0.6.10, but problem still exists for me in 0.6.14


I can duplicate this issue as well. Similar environment. Ubuntu 11.10. nodemon 0.6.14


I'm having the same issue on Debian linux. I tracked this down to nodemon executing the following command:
find -L "/home/bramp/src/flickr-timemachine" -type f -mtime -1s -print
which results in this error:
find: invalid argument `-print' to `-mtime'

I fixed this, by just changing
noWatch = !,
at the very top of nodemon, and now it's using native, instead of polling find.

Perhaps vs polling vs whatever, should be a config option?


I'm also having this issue on Ubuntu 11.10. Seemed like it was working until I upgraded to Node 0.6.15.

uname -a
Linux 3.0.0-17-server #30-Ubuntu SMP Thu Mar 8 22:15:30 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux


@bramp thanks for tracking the issue down; i did revert my nodemon to 0.5.7 and that fixes the problem on ubuntu, so either apply @bramp 's fix or revert to an older version.

@dylanmcd dylanmcd referenced this issue from a commit in dylanmcd/nodemon
@dylanmcd dylanmcd Fix for #82, while maintaining compatibility with #72. Uses …
…as a fallback.

I still have this issue with Debian 6 64bit...

root@dev:~# node -v
root@dev:~# npm -v
root@dev:~# uname -a
Linux 2.6.32-5-amd64 #1 SMP Mon Jan 9 20:49:59 UTC 2012 x86_64 GNU/Linux

@panosru Can you help troubleshoot this?

I'll give a brief rundown of how Nodemon looks for changes (in 0.6.18)

By default, unless on windows, nodemon will use the "find" command. The find command relies on being able to search for files modified within x seconds, which not all versions of find do. In particular, recent Debian flavors don't seem to support this feature. When nodemon starts, it tries to detect whether your version of find supports this feature.

The other behavior is to use behaves differently on different systems - and that may be where you are running into trouble.

To figure out where the problem is coming from, you'll want to put tracers in the startMonitor() function. First figure out what version of changeFunction is being used (depends on what noWatch is set to), then try tracing the potential errors and exceptions. There are several potential errors that are silently ignored.

The other thing that could go wrong is the detection code at ~line 33. That's where the program decides if the "find" method will work. You can try setting noWatch explicitly to true or false after that and see if that makes a difference.


So far I got these debug info:

1) noWatch is set to true, I tried to set it to false but it still didn't restart.

2) while noWatch is on true i tries to run this command find -L /dev/null -type f -mtime -1s -print but I'm getting this error:

{ [Error: Command failed: find: invalid argument `-print' to `-mtime'
] killed: false, code: 1, signal: null }

then it checks for and it exists so it sets noWatch to false and continues process

Then I checked changeFunction and it seems to recognize all the files of the project, all try {} catch (e) {} blocks don't have any error, everything seems to be recognized normally, dirs, files, stats of files etc

I use this command to run nodemon here: NODE_ENV=development nodemon -w apps/api/ bootstrap.api.js and I have .nodemonignore file on root where bootstrap.api.js is which contains this:


I tried with cmds.push('find -L "' + dir + '" -type f -mmin -1'); but it didn't worked too... :/


Thanks for doing some debugging, everything is as it should be (including the error).

I installed Debian 6 to see if I could reproduce and was unable to. However, the way you are running node, it would only respond to files changes that are within the app/api/directory. So if you are editing bootstrap.api.js, nodemon will not reload (by design). -w instructs nodemon to ONLY watch files within that folder (and that folders subdirectories).

So just to clarify, nodemon won't reload even when you edit stuff within apps/api/ ? Can you try a test of running nodemon just like nodemon app.js and changing app.js to see if you can get a reload?


@dylanmcd thanks a lot for your help, the files I'm editing are under app/api/ I tried to run # nodemon bootstrap.api.js and edit that file but still nodemon wont restart... Also one thing I forgot to mention is that the folder where bootstrap.api.js is located is on my OSX machine as I have Debian 6 install on VMWare and use it for my local development server, nodemon is installed in debian 6 and I use fstab in order to mount the paths I need via NFS but it used to work normally...



I think if you want to pursue it at this point you may need to track down at which version nodemon stopped working for that use case, and diff with the version that stops working to see what changed. nodemon is small and just a single file, so the difference should jump out at you. If I could reproduce it, I'd be happy to help, but it works on Debian 6 for me (w/o the mounting to OSX stuff of course). Good luck!


@dylanmcd thank you for all your help so far! :) I found out that v 0.6.7 is the latest version that works fine for me, what do you suggest me? make a diff of nodemon.js file for each version after 0.6.7?

I'll do a diff with latest version of nodemon since there is no point of doing a diff for each version after 0.6.7 :)



I diffed 0.6.7 with 0.6.8 and the major change is that 0.6.8 starts using to detect changes instead of a custom method. is more perfomant, but apparently you've got a use case where it doesn't work (somewhat documented in ).

The problem is, seems to fail silently. If we can figure out how to detect whether will work or not, we can reintegrate the original method as a fall back. One way might be to create a file in /tmp, make a change to it, and see if it triggers That could get a bit messy though. I'll think on it.



Since this is a separate issue from the Ubuntu 11.10 issue, I've opened up a new one that explains the problem.


@dylanmcd ok! Thanks :) for now I use nodemon@0.6.7 to speed up my development because I'm a bit busy but once I'll get some time I'll try to debug it deeper :)


Both issues should be closed now, at least in the current repo.


@dylanmcd I close this issue but I commented on the #93 because there is another issue now which makes nodemon -L restart all the time without editing any file...

@remy remy closed this
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