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Exception with empty LESS file #76

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eximius313 opened this issue Sep 22, 2015 · 4 comments
Closed

Exception with empty LESS file #76

eximius313 opened this issue Sep 22, 2015 · 4 comments

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@eximius313
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If I have an empty less file, Play Framewok will throw this exception:

Warning: node.js detection failed, sbt will use the Rhino based Trireme JavaScript engine instead to run JavaScript assets compilation, which in some cases may
be orders of magnitude slower than using node.js.
[info] LESS compiling on 1 source(s)
[error] TypeError: [object Object] is not a function, it is object. (/path/project/target/node-modules/webjars/less/lib/less/index.js#4)
  at /path/project/target/node-modules/webjars/less/lib/less/index.js:4
[error]     at /path/project/target/node-modules/webjars/less/lib/less-node/index.js:1
[error]     at module.js:456
[error]     at module.js:474
[error]     at module.js:356
[error]     at module.js:312
[error]     at module.js:364
[error]     at require (module.js:380)
[error]     at /path/project/target/node-modules/webjars/less/index.js:1
[error]     at module.js:456
[error]     at module.js:474
[error]     at module.js:356
[error]     at module.js:312
[error]     at module.js:364
[error]     at require (module.js:380)
[error]     at /path/project/target/less/sbt-less-1.1.0.jar:14
[error]     at /path/project/target/less/sbt-less-1.1.0.jar:3
[error]     at module.js:456
[error]     at module.js:474
[error]     at module.js:356
[error]     at module.js:312
[error]     at module.js:497
[error]     at startup (trireme.js:142)
[error]     at trireme.js:923
[info]
[trace] Stack trace suppressed: run last web-assets:less for the full output.
[error] (web-assets:less) com.typesafe.sbt.jse.SbtJsTask$JsTaskFailure: TypeError: [object Object] is not a function, it is object. (/home/users/project/project
/project/target/node-modules/webjars/less/lib/less/index.js#4)    at /path/project/target/node-modules/webjars/less/lib/less/index.js:4
[error]     at /path/project/target/node-modules/webjars/less/lib/less-node/index.js:1
[error]     at module.js:456
[error]     at module.js:474
[error]     at module.js:356
[error]     at module.js:312
[error]     at module.js:364
[error]     at require (module.js:380)
[error]     at /path/project/target/node-modules/webjars/less/index.js:1
[error]     at module.js:456
[error]     at module.js:474
[error]     at module.js:356
[error]     at module.js:312
[error]     at module.js:364
[error]     at require (module.js:380)
[error]     at /path/project/target/less/sbt-less-1.1.0.jar:14
[error]     at /path/project/target/less/sbt-less-1.1.0.jar:3
[error]     at module.js:456
[error]     at module.js:474
[error]     at module.js:356
[error]     at module.js:312
[error]     at module.js:497
[error]     at startup (trireme.js:142)
[error]     at trireme.js:923
[error] application -
! @6n7dim8ji - Internal server error, for (GET) [/] ->

play.sbt.PlayExceptions$UnexpectedException: Unexpected exception[JsTaskFailure: TypeError: [object Object] is not a function, it is object. (/home/users/projec
t/project/project/target/node-modules/webjars/less/lib/less/index.js#4)    at /path/project/target/node-modules/webjars/less/lib/less/inde
x.js:4
    at /path/project/target/node-modules/webjars/less/lib/less-node/index.js:1
    at module.js:456
    at module.js:474
    at module.js:356
    at module.js:312
    at module.js:364
    at require (module.js:380)
    at /path/project/target/node-modules/webjars/less/index.js:1
    at module.js:456
    at module.js:474
    at module.js:356
    at module.js:312
    at module.js:364
    at require (module.js:380)
    at /path/project/target/less/sbt-less-1.1.0.jar:14
    at /path/project/target/less/sbt-less-1.1.0.jar:3
    at module.js:456
    at module.js:474
    at module.js:356
    at module.js:312
    at module.js:497
    at startup (trireme.js:142)
    at trireme.js:923
]
        at play.sbt.run.PlayReload$$anonfun$taskFailureHandler$1.apply(PlayReload.scala:51) ~[na:na]
        at play.sbt.run.PlayReload$$anonfun$taskFailureHandler$1.apply(PlayReload.scala:44) ~[na:na]
        at scala.Option.map(Option.scala:145) ~[scala-library-2.11.6.jar:na]
        at play.sbt.run.PlayReload$.taskFailureHandler(PlayReload.scala:44) ~[na:na]
        at play.sbt.run.PlayReload$.compileFailure(PlayReload.scala:40) ~[na:na]
        at play.sbt.run.PlayReload$$anonfun$compile$1.apply(PlayReload.scala:17) ~[na:na]
        at play.sbt.run.PlayReload$$anonfun$compile$1.apply(PlayReload.scala:17) ~[na:na]
        at scala.util.Either$LeftProjection.map(Either.scala:377) ~[scala-library-2.11.6.jar:na]
        at play.sbt.run.PlayReload$.compile(PlayReload.scala:17) ~[na:na]
        at play.sbt.run.PlayRun$$anonfun$playRunTask$1$$anonfun$apply$2$$anonfun$apply$3$$anonfun$2.apply(PlayRun.scala:60) ~[na:na]
Caused by: com.typesafe.sbt.jse.SbtJsTask$JsTaskFailure: TypeError: [object Object] is not a function, it is object. (/path/project/target
/node-modules/webjars/less/lib/less/index.js#4)    at /path/project/target/node-modules/webjars/less/lib/less/index.js:4
    at /path/project/target/node-modules/webjars/less/lib/less-node/index.js:1
    at module.js:456
    at module.js:474
    at module.js:356
    at module.js:312
    at module.js:364
    at require (module.js:380)
    at /path/project/target/node-modules/webjars/less/index.js:1
    at module.js:456
    at module.js:474
    at module.js:356
    at module.js:312
    at module.js:364
    at require (module.js:380)
    at /path/project/target/less/sbt-less-1.1.0.jar:14
   at /path/project/target/less/sbt-less-1.1.0.jar:3
   at module.js:456
   at module.js:474
   at module.js:356
   at module.js:312
   at module.js:497
   at startup (trireme.js:142)
   at trireme.js:923

       at com.typesafe.sbt.jse.SbtJsTask$$anonfun$com$typesafe$sbt$jse$SbtJsTask$$executeJsOnEngine$1.apply(SbtJsTask.scala:195) ~[na:na]
       at com.typesafe.sbt.jse.SbtJsTask$$anonfun$com$typesafe$sbt$jse$SbtJsTask$$executeJsOnEngine$1.apply(SbtJsTask.scala:167) ~[na:na]
       at scala.util.Success$$anonfun$map$1.apply(Try.scala:206) ~[scala-library-2.11.6.jar:na]
       at scala.util.Try$.apply(Try.scala:161) ~[scala-library-2.11.6.jar:na]
       at scala.util.Success.map(Try.scala:206) ~[scala-library-2.11.6.jar:na]
       at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235) ~[scala-library-2.11.6.jar:na]
       at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235) ~[scala-library-2.11.6.jar:na]
       at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) ~[scala-library-2.11.6.jar:na]
       at scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107) ~[scala-library-2.11.6.jar:na]
       at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) ~[scala-library-2.11.6.jar:na]

If I remove the file - everything works
@huntc
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huntc commented Sep 22, 2015

Have you tried the latest version? I recall this issue from a long time back b

@eximius313
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I'm using:

addSbtPlugin("com.typesafe.sbt" % "sbt-less" % "1.1.0")

@eximius313 eximius313 mentioned this issue Sep 22, 2015
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@jroper
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jroper commented Sep 23, 2015

According to the discussion in #53, this is actually a bug in less itself: less/less.js#2430

@kxbmap kxbmap mentioned this issue Oct 23, 2015
Merged
@eximius313
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It seems that this is not only for empty file: #80 so I'm closing this issue

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@jroper @huntc @eximius313