java.lang.InternalError: java.lang.AbstractMethodError
at java.lang.invoke.MethodHandleStatics.newInternalError(Unknown Source)
at java.lang.invoke.BoundMethodHandle.cloneExtend(Unknown Source)
at java.lang.invoke.BoundMethodHandle.bindArgument(Unknown Source)
at java.lang.invoke.MethodHandle.bindArgument(Unknown Source)
at java.lang.invoke.DirectMethodHandle.bindArgument(Unknown Source)
at java.lang.invoke.MethodHandles.insertArguments(Unknown Source)
at java.lang.invoke.MethodHandles.constant(Unknown Source)
at java.lang.invoke.SwitchPoint.<clinit>(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at ConcurrentClassLoadingTest$Loader.run(ConcurrentClassLoadingTest.java:153)
Caused by: java.lang.AbstractMethodError
at java.lang.invoke.BoundMethodHandle$Species_L.cloneExtendI(Unknown Source)
... 10 more

on jdk ppc it fails with java.lang.ClassNotFoundException like in JDK-8026941