Debian packaging error message is not great

[benmccann]

Not sure what the failure is from this message

[info] java.lang.RuntimeException: Failure generating changes file.java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
[info] sbt.SimpleProcessBuilder.run(ProcessImpl.scala:388)
[info] sbt.AbstractProcessBuilder.$bang(ProcessImpl.scala:172)
[info] sbt.AbstractProcessBuilder.getString(ProcessImpl.scala:145)
[info] sbt.AbstractProcessBuilder.$bang$bang(ProcessImpl.scala:148)
[info] com.typesafe.sbt.packager.debian.NativePackaging$$anonfun$debianNativeSettings$1.apply(NativePackaging.scala:46)
[info] com.typesafe.sbt.packager.debian.NativePackaging$$anonfun$debianNativeSettings$1.apply(NativePackaging.scala:32)
[info] scala.Function6$$anonfun$tupled$1.apply(Function6.scala:35)
[info] scala.Function6$$anonfun$tupled$1.apply(Function6.scala:34)
[info] scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
[info] sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:42)
[info] sbt.std.Transform$$anon$4.work(System.scala:64)
[info] sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
[info] sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
[info] sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:18)
[info] sbt.Execute.work(Execute.scala:244)
[info] sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
[info] sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
[info] sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:160)
[info] sbt.CompletionService$$anon$2.call(CompletionService.scala:30)
[info] java.util.concurrent.FutureTask.run(FutureTask.java:262)
[info] java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
[info] java.util.concurrent.FutureTask.run(FutureTask.java:262)
[info] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[info] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[info] java.lang.Thread.run(Thread.java:744)
[info]
[info] at scala.sys.package$.error(package.scala:27)
[info] at com.typesafe.sbt.packager.debian.NativePackaging$$anonfun$debianNativeSettings$1.apply(NativePackaging.scala:45)
[info] at com.typesafe.sbt.packager.debian.NativePackaging$$anonfun$debianNativeSettings$1.apply(NativePackaging.scala:32)
[info] at scala.Function6$$anonfun$tupled$1.apply(Function6.scala:35)
[info] at scala.Function6$$anonfun$tupled$1.apply(Function6.scala:34)
[info] at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
[info] at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:42)
[info] at sbt.std.Transform$$anon$4.work(System.scala:64)
[info] at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
[info] at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
[info] at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:18)
[info] at sbt.Execute.work(Execute.scala:244)
[info] at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
[info] at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
[info] at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:160)
[info] at sbt.CompletionService$$anon$2.call(CompletionService.scala:30)
[info] at java.util.concurrent.FutureTask.run(FutureTask.java:262)
[info] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
[info] at java.util.concurrent.FutureTask.run(FutureTask.java:262)
[info] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[info] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[info] at java.lang.Thread.run(Thread.java:744)
[info] error Failure generating changes file.java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
[info] [error] sbt.SimpleProcessBuilder.run(ProcessImpl.scala:388)
[info] [error] sbt.AbstractProcessBuilder.$bang(ProcessImpl.scala:172)
[info] [error] sbt.AbstractProcessBuilder.getString(ProcessImpl.scala:145)
[info] [error] sbt.AbstractProcessBuilder.$bang$bang(ProcessImpl.scala:148)
[info] [error] com.typesafe.sbt.packager.debian.NativePackaging$$anonfun$debianNativeSettings$1.apply(NativePackaging.scala:46)
[info] [error] com.typesafe.sbt.packager.debian.NativePackaging$$anonfun$debianNativeSettings$1.apply(NativePackaging.scala:32)
[info] [error] scala.Function6$$anonfun$tupled$1.apply(Function6.scala:35)
[info] [error] scala.Function6$$anonfun$tupled$1.apply(Function6.scala:34)
[info] [error] scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
[info] [error] sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:42)
[info] [error] sbt.std.Transform$$anon$4.work(System.scala:64)
[info] [error] sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
[info] [error] sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
[info] [error] sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:18)
[info] [error] sbt.Execute.work(Execute.scala:244)
[info] [error] sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
[info] [error] sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
[info] [error] sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:160)
[info] [error] sbt.CompletionService$$anon$2.call(CompletionService.scala:30)
[info] [error] java.util.concurrent.FutureTask.run(FutureTask.java:262)
[info] [error] java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
[info] [error] java.util.concurrent.FutureTask.run(FutureTask.java:262)
[info] [error] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[info] [error] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[info] [error] java.lang.Thread.run(Thread.java:744)
[info] [error] Total time: 0 s, completed Jul 23, 2014 12:09:56 PM
[error] x debian / gen-changes
[error] {line 2} Command failed: debian:gen-changes failed

[benmccann]

Found the error :-)

The program 'dpkg-genchanges' is currently not installed. You can install it by typing:
sudo apt-get install dpkg-dev

[muuki88]

Thanks for sharing Ben! I'll try to improve the error message and write some docs for it.
I'll keep this ticket open as a reminder!