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POScalaCheck, JUnit end with NoSuchMethod-exception in the default generator
 

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    <p>I have trouble running my scalachecks from within maven. E.g. the following small snipped</p> <pre><code>@RunWith(classOf[JUnitRunner]) final class MyTest extends FunSuite with Checkers { test("t2") { Prop.forAll( (a: String, b: String) =&gt; (a+b).startsWith(a) ) } } </code></pre> <p>ends up dumping with the following stack:</p> <pre><code>java.lang.NoSuchMethodError: scala.runtime.IntRef.zero()Lscala/runtime/IntRef; at org.scalacheck.Gen$.frequency(Gen.scala) at org.scalacheck.Gen$.chooseNum(Gen.scala:455) at org.scalacheck.Arbitrary$$anonfun$arbInt$1.apply(Arbitrary.scala:86) at org.scalacheck.Arbitrary$$anonfun$arbInt$1.apply(Arbitrary.scala:86) at org.scalacheck.Arbitrary$$anon$2.arbitrary$lzycompute(Arbitrary.scala:65) at org.scalacheck.Arbitrary$$anon$2.arbitrary(Arbitrary.scala:65) at org.scalacheck.Arbitrary$.arbitrary(Arbitrary.scala:69) at org.scalacheck.Arbitrary$$anonfun$arbContainer$1.apply(Arbitrary.scala:299) at org.scalacheck.Arbitrary$$anonfun$arbContainer$1.apply(Arbitrary.scala:299) at org.scalacheck.Arbitrary$$anon$2.arbitrary$lzycompute(Arbitrary.scala:65) at org.scalacheck.Arbitrary$$anon$2.arbitrary(Arbitrary.scala:65) at org.scalacheck.Arbitrary$.arbitrary(Arbitrary.scala:69) at org.scalacheck.Prop$.forAll(Prop.scala:726) at org.scalacheck.Prop$.forAll(Prop.scala:734) </code></pre> <p>I bet this is only a very small thing to solve but I couldn't find a full example of running scala-check inside scalatest with a junit-runner.</p> <p>thanks and regards</p> <p>markus</p>
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    1. CONoSuchMethodError like this usually indicates that you are using a version of library A which was compiled against a certain version of library B that isn't present in your project - for instance that scalacheck expects a certain scala version that you aren't using.
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