Can't use sbt 0.13.7 with my play project

[Wei Chen]

Trying out the new 0.13.7, but get this when start the play console. Any idea?

BTW, the project builds fine on 0.13.1.

java.lang.UnsupportedOperationException: Position.start on class scala.reflect.internal.util.OffsetPosition

        at scala.reflect.internal.util.Position.start(Position.scala:114)

        at sbt.internals.parser.SbtParser.sbt$internals$parser$SbtParser$$convertStatement$1(SbtParser.scala:142)

        at sbt.internals.parser.SbtParser$$anonfun$4.apply(SbtParser.scala:147)

        at sbt.internals.parser.SbtParser$$anonfun$4.apply(SbtParser.scala:147)

        at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:251)

        at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:251)

        at scala.collection.immutable.List.foreach(List.scala:318)

        at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:251)

        at scala.collection.AbstractTraversable.flatMap(Traversable.scala:105)

        at sbt.internals.parser.SbtParser.splitExpressions(SbtParser.scala:147)

        at sbt.internals.parser.SbtParser.<init>(SbtParser.scala:60)

        at sbt.EvaluateConfigurations$.splitExpressions(EvaluateConfigurations.scala:227)

        at sbt.EvaluateConfigurations$.parseConfiguration(EvaluateConfigurations.scala:69)

        at sbt.EvaluateConfigurations$.evaluateSbtFile(EvaluateConfigurations.scala:107)

        at sbt.Load$.sbt$Load$$loadSettingsFile$1(Load.scala:710)

        at sbt.Load$$anonfun$sbt$Load$$memoLoadSettingsFile$1$1.apply(Load.scala:715)

        at sbt.Load$$anonfun$sbt$Load$$memoLoadSettingsFile$1$1.apply(Load.scala:714)

        at scala.Option.getOrElse(Option.scala:120)

        at sbt.Load$.sbt$Load$$memoLoadSettingsFile$1(Load.scala:714)

        at sbt.Load$$anonfun$loadFiles$1$2.apply(Load.scala:721)

        at sbt.Load$$anonfun$loadFiles$1$2.apply(Load.scala:721)

        at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)

        at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)

        at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)

[Josh Suereth]

This is related to the new incremental compiler.   Can you try the following:

incOptions := incOptions.value.withNameHashing(false)

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[Wei Chen]

I believe it is this problem:

https://github.com/sbt/sbt/issues/1739

Both workarounds work for me. I think it is a bug sbt should fix unless scala 2.10.4 is required.

Wei