[ERROR] ## Exception when compiling 669 sources to /basedir/spark-mine/core/target/scala-2.12/classes
java.lang.RuntimeException: rt.jar (class sbt.internal.inc.DummyVirtualFile) is not supported
scala.sys.package$.error(package.scala:27)
sbt.internal.inc.Locate$.definesClass(Locate.scala:92)
sbt.internal.inc.Locate.definesClass(Locate.scala)
sbt_inc.SbtIncrementalCompiler$1.definesClass(SbtIncrementalCompiler.java:119)
sbt.internal.inc.Locate$.$anonfun$entry$1(Locate.scala:60)
scala.collection.Iterator$$anon$9.next(Iterator.scala:575)
scala.collection.IterableOnceOps.collectFirst(IterableOnce.scala:1079)
scala.collection.IterableOnceOps.collectFirst$(IterableOnce.scala:1071)
scala.collection.AbstractIterator.collectFirst(Iterator.scala:1288)
sbt.internal.inc.Locate$.$anonfun$entry$2(Locate.scala:67)
sbt.internal.inc.LookupImpl.lookupOnClasspath(LookupImpl.scala:51)
sbt.internal.inc.IncrementalCommon$.$anonfun$isLibraryModified$3(IncrementalCommon.scala:764)
sbt.internal.inc.IncrementalCommon$.$anonfun$isLibraryModified$3$adapted(IncrementalCommon.scala:754)
scala.collection.IterableOnceOps.exists(IterableOnce.scala:591)
scala.collection.IterableOnceOps.exists$(IterableOnce.scala:588)
scala.collection.AbstractIterable.exists(Iterable.scala:919)
sbt.internal.inc.IncrementalCommon$.isLibraryChanged$1(IncrementalCommon.scala:754)
It works.
steps
problem
expectation
It works.
notes
sbt avoids this bug by working around like sbt/sbt#5522.