error:
     while compiling: <console>
        during phase: jvm
     library version: version 2.10.4
    compiler version: version 2.10.4
  reconstructed args:

  last tree to typer: Apply(constructor $read)
              symbol: constructor $read in class $read (flags: <method> <triedcooking>)
   symbol definition: def <init>(): $line19.$read
                 tpe: $line19.$read
       symbol owners: constructor $read -> class $read -> package $line19
      context owners: class iwC -> package $line19

== Enclosing template or block ==

Template( // val <local $iwC>: <notype>, tree.tpe=$line19.iwC
  "java.lang.Object", "scala.Serializable" // parents
  ValDef(
    private
    "_"
    <tpt>
    <empty>
  )
  // 5 statements
  ValDef( // private[this] val $iw: $line19.iwC
    private <local> <triedcooking>
    "$iw "
    <tpt> // tree.tpe=$line19.iwC
    <empty>
  )
  DefDef( // val $iw(): $line19.iwC
    <method> <stable> <accessor>
    "$iw"
    []
    List(Nil)
    <tpt> // tree.tpe=$line19.iwC
    $read$$iwC.this."$iw " // private[this] val $iw: $line19.iwC, tree.tpe=$line19.iwC
  )
  ValDef( // protected val $outer: $line19.$read
    protected <synthetic> <paramaccessor> <triedcooking>
    "$outer "
    <tpt> // tree.tpe=$line19.$read
    <empty>
  )
  DefDef( // val $outer(): $line19.$read
    <method> <synthetic> <stable> <expandedname>
    "$line19$$read$$iwC$$$outer"
    []
    List(Nil)
    <tpt> // tree.tpe=$line19.$read
    $read$$iwC.this."$outer " // protected val $outer: $line19.$read, tree.tpe=$line19.$read
  )
  DefDef( // def <init>(arg$outer: $line19.$read): $line19.iwC
    <method> <triedcooking>
    "<init>"
    []
    // 1 parameter list
    ValDef( // $outer: $line19.$read
      <param> <triedcooking>
      "$outer"
      <tpt> // tree.tpe=$line19.$read
      <empty>
    )
    <tpt> // tree.tpe=$line19.iwC
    Block( // tree.tpe=Unit
      // 3 statements
      If( // tree.tpe=Unit
        Apply( // final def eq(x$1: Object): Boolean in class Object, tree.tpe=Boolean
          "$outer"."eq" // final def eq(x$1: Object): Boolean in class Object, tree.tpe=(x$1: Object)Boolean
          null
        )
        Throw( // tree.tpe=Nothing
          Apply( // def <init>(): NullPointerException in class NullPointerException, tree.tpe=NullPointerException
            new NullPointerException."<init>" // def <init>(): NullPointerException in class NullPointerException, tree.tpe=()NullPointerException
            Nil
          )
        )
        Assign( // tree.tpe=Unit
          $read$$iwC.this."$outer " // protected val $outer: $line19.$read, tree.tpe=$line19.$read
          "$outer" // $outer: $line19.$read, tree.tpe=$line19.$read
        )
      )
      Apply( // def <init>(): Object in class Object, tree.tpe=Object
        $read$$iwC.super."<init>" // def <init>(): Object in class Object, tree.tpe=()Object
        Nil
      )
      Assign( // tree.tpe=Unit
        $read$$iwC.this."$iw " // private[this] val $iw: $line19.iwC, tree.tpe=$line19.iwC
        Apply( // def <init>(arg$outer: $line19.iwC): $line19.iwC, tree.tpe=$line19.iwC
          new $line19.iwC."<init>" // def <init>(arg$outer: $line19.iwC): $line19.iwC, tree.tpe=(arg$outer: $line19.iwC)$line19.iwC
          This("$iwC")class iwC extends Serializable in package $line19, tree.tpe=$line19.iwC
        )
      )
      ()
    )
  )
)

== Expanded type of tree ==

TypeRef(TypeSymbol(class $read extends Serializable))

uncaught exception during compilation: java.lang.AssertionError
java.lang.AssertionError: assertion failed: Tried to find '$line19' in '/tmp/spark-fcc2519d-6c7c-4957-ae0c-a9ce9e0c98de' but it is not a directory