Re: Receiving OverlappingFileLockException after executing sbt at dos command prompt

[Francisco Carriedo]

Yeah.

I'm on a work laptop with the HOME directory located on the network drive. I'm connected through VPN. Digging into this, this seems to be the problem as you mention.

I'll confirm once I get into my work's network.

Thanks!

On Thursday, September 20, 2012 10:52:48 PM UTC-7, Thomas Corbat wrote:

Hi

I've encountered the same problem yesterday. After failing to find a satisfying solution on the web, I tried solving the problem myself.
One thing I could observe was that sbt creates a hidden directory ".sbt" in my home directory. As I have been working with the notebook of my company at home, I did not have the connection my home drive, which is located on some server. It was available in offline mode though.
When I tried the same at work, with the connection to the corporate network, I had no problem executing sbt.

I the same works for you.

Regards
Thomas

On Thursday, August 30, 2012 11:55:54 PM UTC+2, mark dufresne wrote:

I'm receiving the following Exception:

C:\Users\GT907054>sbt

java.nio.channels.OverlappingFileLockException

        at sun.nio.ch.FileChannelImpl$SharedFileLockTable.checkList(FileChannelImpl.java:1166)

        at sun.nio.ch.FileChannelImpl$SharedFileLockTable.add(FileChannelImpl.java:1068)

        at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:868)

        at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)

        at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:65)

        at xsbt.boot.Locks$GlobalLock.withChannelRetries$1(Locks.scala:58)

        at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:79)

        at xsbt.boot.Using$.withResource(Using.scala:11)

        at xsbt.boot.Using$.apply(Using.scala:10)

        at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:51)

        at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:51)

        at xsbt.boot.Locks$.apply0(Locks.scala:30)

        at xsbt.boot.Locks$.apply(Locks.scala:27)

        at xsbt.boot.Update.apply(JavaConversions.scala:89)

        at xsbt.boot.Provider$initialize.call(Provider.scala:34)

        at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:75)

        at xsbt.boot.Locks$GlobalLock.withChannelRetries$1(Locks.scala:58)

        at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:79)

        at xsbt.boot.Using$.withResource(Using.scala:11)

        at xsbt.boot.Using$.apply(Using.scala:10)

        at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:51)

        at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:51)

        at xsbt.boot.Locks$.apply0(Locks.scala:30)

        at xsbt.boot.Locks$.apply(Locks.scala:27)

        at scala.collection.mutable.FlatHashTable$class.$init$(Proxy.scala:32)

        at xsbt.boot.Launch$ScalaProvider$AppProvider.<init>(Launch.scala:130)

        at xsbt.boot.Launch$ScalaProvider.app(Launch.scala:128)

        at xsbt.boot.Launch$.run(Launch.scala:50)

        at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:43)

        at xsbt.boot.Launch$.launch(Launch.scala:68)

        at xsbt.boot.Launch$.apply(Launch.scala:14)

        at xsbt.boot.Boot$.runImpl(Boot.scala:25)

        at xsbt.boot.Boot$.main(Boot.scala:15)

        at xsbt.boot.Boot.main(Boot.scala)

        at SbtJansiLaunch.main(SbtJansiLaunch.java:4)

Error during sbt execution: java.nio.channels.OverlappingFileLockException

Anyone have any idea why?

thanks so much

[Fluffy]

Depending on how you are running sbt, most scripts support a -sbt-dir flag that allows you to specify a different home directory for SBT.

If this is a windows machine (I assume), then you can use -Dsbt.boot.directory=/somewhere/local

I have a patch for the windows bat scripts that allows you to create a "config file" for SBT.  You'd be able to specify a non-home-directory for SBT in this, and then file locks should work.

It appears to be an issue with using real file locks on "offline" home directories....

[Josh Suereth]

Hey guys, I just duplicated this issue.  I'm looking for a solution.  I think it *may* be related to permissions n the BAT file on MSI install (or some other "you can't see these permissions easily" issues).   I'm investigating workarounds now that I can duplicate.

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[Mark Harrah]

On Sat, 22 Sep 2012 20:25:28 -0400
Josh Suereth <joshua....@gmail.com> wrote:

> Hey guys, I just duplicated this issue. I'm looking for a solution. I
> think it *may* be related to permissions n the BAT file on MSI install (or
> some other "you can't see these permissions easily" issues). I'm
> investigating workarounds now that I can duplicate.

There is a property in the [boot] section of sbt.boot.properties:

lock: false

that disables using file locks. With that setting, it is important that only one instance of sbt is run at a time to avoid corruption.

-Mark

> >>>> java.nio.channels.**OverlappingFileLockException
> >>>> at sun.nio.ch.FileChannelImpl$**SharedFileLockTable.checkList(*
> >>>> *FileChannelImpl.java:1166)
> >>>> at sun.nio.ch.FileChannelImpl$**SharedFileLockTable.add(**
> >>>> FileChannelImpl.java:1068)
> >>>> at sun.nio.ch.FileChannelImpl.**tryLock(FileChannelImpl.java:**
> >>>> 868)
> >>>> at java.nio.channels.FileChannel.**
> >>>> tryLock(FileChannel.java:962)
> >>>> at xsbt.boot.Locks$GlobalLock.**withChannel$1(Locks.scala:65)
> >>>> at xsbt.boot.Locks$GlobalLock.**withChannelRetries$1(Locks.**
> >>>> scala:58)
> >>>> at xsbt.boot.Locks$GlobalLock$$**anonfun$withFileLock$1.apply(*
> >>>> *Locks.scala:79)
> >>>> at xsbt.boot.Using$.withResource(**Using.scala:11)
> >>>> at xsbt.boot.Using$.apply(Using.**scala:10)
> >>>> at xsbt.boot.Locks$GlobalLock.**liftedTree1$1(Locks.scala:51)
> >>>> at xsbt.boot.Locks$GlobalLock.**withLock(Locks.scala:51)
> >>>> at xsbt.boot.Locks$.apply0(Locks.**scala:30)
> >>>> at xsbt.boot.Locks$.apply(Locks.**scala:27)
> >>>> at xsbt.boot.Update.apply(**JavaConversions.scala:89)
> >>>> at xsbt.boot.Provider$initialize.**call(Provider.scala:34)
> >>>> at xsbt.boot.Locks$GlobalLock.**withChannel$1(Locks.scala:75)
> >>>> at xsbt.boot.Locks$GlobalLock.**withChannelRetries$1(Locks.**
> >>>> scala:58)
> >>>> at xsbt.boot.Locks$GlobalLock$$**anonfun$withFileLock$1.apply(*
> >>>> *Locks.scala:79)
> >>>> at xsbt.boot.Using$.withResource(**Using.scala:11)
> >>>> at xsbt.boot.Using$.apply(Using.**scala:10)
> >>>> at xsbt.boot.Locks$GlobalLock.**liftedTree1$1(Locks.scala:51)
> >>>> at xsbt.boot.Locks$GlobalLock.**withLock(Locks.scala:51)
> >>>> at xsbt.boot.Locks$.apply0(Locks.**scala:30)
> >>>> at xsbt.boot.Locks$.apply(Locks.**scala:27)
> >>>> at scala.collection.mutable.**FlatHashTable$class.$init$(**
> >>>> Proxy.scala:32)
> >>>> at xsbt.boot.Launch$**ScalaProvider$AppProvider.<**
> >>>> init>(Launch.scala:130)
> >>>> at xsbt.boot.Launch$**ScalaProvider.app(Launch.**scala:128)
> >>>> at xsbt.boot.Launch$.run(Launch.**scala:50)
> >>>> at xsbt.boot.Launch$$anonfun$**explicit$1.apply(Launch.scala:**
> >>>> 43)
> >>>> at xsbt.boot.Launch$.launch(**Launch.scala:68)
> >>>> at xsbt.boot.Launch$.apply(**Launch.scala:14)
> >>>> at xsbt.boot.Boot$.runImpl(Boot.**scala:25)
> >>>> at xsbt.boot.Boot$.main(Boot.**scala:15)
> >>>> at xsbt.boot.Boot.main(Boot.**scala)
> >>>> at SbtJansiLaunch.main(**SbtJansiLaunch.java:4)
> >>>> Error during sbt execution: java.nio.channels.**
> >>>> OverlappingFileLockException