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Watchr: EISDIR Error: Fail to regenerate on save #427

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sergeylukin opened this Issue · 11 comments

7 participants

@sergeylukin

Hi,
I start with completely fresh project, following Quick Start guide. When saving, let's say, src/documents/posts/hello.html.eco, while docpad run or docpad watch is running on separate shell, docpad fails to regenerate file.
I get this error on both CentOS 6 and Freebsd 9 machines with identical versions of nodejs (0.8.19) and npm (1.2.10), docpad (6.21.10), docpad-plugin-eco (2.0.1) and docpad-plugin-marked (2.1.0).

Here is what was happening in my shell:

sergey@battleship: ~/code/docpad_fresh                                                         
→ docpad run
info: Welcome to DocPad v6.21.10
info: Plugins: eco, marked
info: Environment: development
info: DocPad listening to http://localhost:9778/ on directory /home/sergey/code/docpad_fresh/out
info: Generating...
info: Generated all 3 files in 0.173 seconds
info: Watching setup starting...
info: Watching setup
info: The action completed successfully

It's all fine so far, file was correctly generated.
Now I edit src/documents/posts/post.html.eco:

info: Regenerating at 07:55:16
info: Generating...
info: Generated 1 files in 0.016 seconds
info: Regenerated at 07:55:16

It worked fine as well, file successfully regenerated.
Now I edit src/documents/posts/post.html.eco again (or any other file, it's same result):

info: Regenerating at 07:55:22
info: Generating...
info: Generated 0 files in 0.005 seconds
info: Regenerated at 07:55:22

As you can see it didn't really generate any file this time (and the destination file was not regenerated of course).
Now I edit src/documents/posts/post.html.eco once again:

info: Regenerating at 07:55:33
info: Generating...
error: An error occured: 
Error: EISDIR, open '/home/sergey/code/docpad_fresh/out'
info: Regenerated at 07:55:33

Oops, even an error this time. And so the same error will appear on next files modifications..

Worth noting that I was using docpad a lot before and all was fine, was very stable. It just stopped working a week ago or so (since then I was trying to find source of problem on my end, reinstalled nodejs with all packages completely, upgrading all to latest versions, using 2 machines with different OSes, trying older versions of node and docpad and so on). I really did my best to eliminate any issues that could cause this on my end, but I gave up. Also I tried using node-inspector and running docpad in debug mode, but I just didn't get any worth result. Probably I'm not yet experienced enough with debugging Node applications. Most of the exceptions I encountered were related to few docpad plugins, but looks like the source for this issue is somewhere else as it occurs even when I started project from scratch.

Please advise

@sergeylukin

OK, seems like the issue is related directly to docpad releases. I installed docpad@6.11.0 and files were regenerated there at least, however with errors. I went ahead and tried every minor version one by one starting from latest 21 down to 11 and here is what I got (in short v6.12.0-v6.16.0 seem to work fine, others not that much):

  • Version 6.19.0 and above fail to regenerate files, behave like 6.21.0 described in issue.
  • Version 6.18.0 is the latest one for me which successfully regenerated files on save, however with following errors:

    info: Regenerating at 11:30:12
    info: Generating...
    warning: Failed to load the file: post.html.eco~
    The error follows:
    warning: An error occured: 
    Error: ENOENT, stat '/home/sergey/code/docpad_fresh/src/layouts/post.html.eco~'
    info: Generated 3 files in 0.058 seconds
    info: Regenerated at 11:30:12
    

    and as follows on next file edit:

    error: An error occured: 
    Error: EISDIR, unlink '/home/sergey/code/docpad_fresh/out'
    info: Regenerating at 11:30:23
    info: Generating...
    info: Generated 2 files in 0.017 seconds
    info: Regenerated at 11:30:23
    

    But still the file was generated.

  • Version 6.17.0 doesn't print any errors but file is not regenerated at all

  • Version 6.16.0 didn't print any errors and regerenated files just fine.
  • Version 6.15.0 didn't print any errors and regerenated files just fine.
  • Version 6.14.0 didn't print any errors and regerenated files just fine.
  • Version 6.13.0 didn't print any errors and regerenated files just fine.
  • Version 6.12.0 didn't print any errors and regerenated files just fine.
  • Version 6.11.0 regenerated files but sometimes with following error:

    error: An error occured: path must be a string TypeError: path must be a string
        at Object.fs.unlink (fs.js:578:11)
        at balUtilPaths.unlink (/home/sergey/code/docpad_fresh/node_modules/docpad/node_modules/bal-util/out/lib/paths.js:114:23)
        at Object.balUtilPaths.openFile (/home/sergey/code/docpad_fresh/node_modules/docpad/node_modules/bal-util/out/lib/paths.js:39:9)
        at Object.balUtilPaths.unlink (/home/sergey/code/docpad_fresh/node_modules/docpad/node_modules/bal-util/out/lib/paths.js:113:20)
        at DocumentModel.FileModel.delete (/home/sergey/code/docpad_fresh/node_modules/docpad/out/lib/models/file.js:458:13)
        at _Class.DocPad.watch.changeHandler (/home/sergey/code/docpad_fresh/node_modules/docpad/out/lib/docpad.js:2431:30)
        at _Class.EventEmitter.emit (events.js:98:17)
        at _Class.bubble (/home/sergey/code/docpad_fresh/node_modules/docpad/node_modules/watchr/out/lib/watchr.js:117:10)
        at _Class.watchChild.watch.listener (/home/sergey/code/docpad_fresh/node_modules/docpad/node_modules/watchr/out/lib/watchr.js:272:26)
        at _Class.EventEmitter.emit (events.js:98:17)
    info: Regenerating at 11:48:41
    info: Generating...
    info: Generated 2 files in 0.02 seconds
    info: Regenerated at 11:48:41
    
@sergeylukin

Yes, I rechecked on both machines and got to conclusion that Docpad v6.16.0 is the latest release that watches and regenerates files just fine on both FreeBSD and CentOS for me.

@amih

Thanks! I had similar behavior in ubuntu, I thought vim was the problem and switched to another editor and now I see it's actually in docpad.
I tried docpad v6.16 and v6.11 no luck on ubuntu with any of those.

@lhagan

Similar/same problem here on OS X. Dropped down to 6.16.0 from 6.21.10 and that fixed it. I actually get one regenerate per docpad run on 6.21.10, but after that first regenerate it stalls out.

@balupton
Owner

With DocPad v6.27.0, try add the following to your docpad configuration file:

watchOptions: preferredMethods: ['watchFile','watch']

Does that fix the issue?

@lhagan

Yes, that works for me (and on 6.28.0, too).

@lbv
lbv commented

Yesterday I learned about DocPad, found it interesting enough to try it out, so today I installed it and started doing my tests, and after much frustration with errors caused at re-generation time, I came across this page.

@balupton's comment about watchOptions fixed it for me as well (using docpad v6.29.0, node v0.10.2, npm v1.2.15). Could this be added to the documentation?

Thanks.

@balupton
Owner

Can everyone please try reinstalling DocPad, removing the preferredMethods option, and let me know if they still get the issue. Pushed a bunch of updates to watchr (DocPad's watching dependency) to try and combat this issue.

@sergeylukin

Issue doesn't happen in version 6.30.3 installed from scratch on both Linux and BSD machines. Thanks Benjamin!

@stegrams

preferredMethods just solve my problem too on a fresh empty docpad project that after Regenerating at ... message was stop responding. That was my first time using docpad on this OS.

OS: Ubuntu 12.04 LTS 64-bit
Nodejs: v0.10.12
DocPad: v6.42.3

@kr1zmo

Same issue with me; I had this problem a few months back until I used the perferredMethods; It has something to do with our file system API. I use Debian which Ubuntu spawned from. I think this won't be fixed until Lupton has the opportunity to debug on a server with these Operating Systems. Likely the issue will fix all similar distributions. Lupton, try virtual box (https://www.virtualbox.org/) and install a copy of Debian. It might be handy for future issues that occur as well?

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