Re: Registering classes with KryoSerializer

2015-04-14 Thread Imran Rashid
hmm, I dunno why IntelliJ is unhappy, but you can always fall back to getting a class from the String: Class.forName(scala.reflect.ClassTag$$anon$1) perhaps the class is package private or something, and the repl somehow subverts it ... On Tue, Apr 14, 2015 at 5:44 PM, Arun Lists

Re: Registering classes with KryoSerializer

2015-04-14 Thread Arun Lists
Wow, it all works now! Thanks, Imran! In case someone else finds this useful, here are the additional classes that I had to register (in addition to my application specific classes): val tuple3ArrayClass = classOf[Array[Tuple3[Any, Any, Any]]] val anonClass =

Re: Registering classes with KryoSerializer

2015-04-14 Thread Imran Rashid
Hi Arun, It can be hard to use kryo with required registration because of issues like this -- there isn't a good way to register all the classes that you need transitively. In this case, it looks like one of your classes has a reference to a ClassTag, which in turn has a reference to some

Re: Registering classes with KryoSerializer

2015-04-14 Thread Arun Lists
Hi Imran, Thanks for the response! However, I am still not there yet. In the Scala interpreter, I can do: scala classOf[scala.reflect.ClassTag$$anon$1] but when I try to do this in my program in IntelliJ, it indicates an error: Cannot resolve symbol ClassTag$$anon$1 Hence I am not any closer

Re: Registering classes with KryoSerializer

2015-04-13 Thread Imran Rashid
Those funny class names come from scala's specialization -- its compiling a different version of OpenHashMap for each primitive you stick in the type parameter. Here's a super simple example: *➜ **~ * more Foo.scala class Foo[@specialized X] *➜ **~ * scalac Foo.scala *➜ **~ * ls

Registering classes with KryoSerializer

2015-04-13 Thread Arun Lists
Hi, I am trying to register classes with KryoSerializer. This has worked with other programs. Usually the error messages are helpful in indicating which classes need to be registered. But with my current program, I get the following cryptic error message: *Caused by:

Registering classes with KryoSerializer

2015-03-30 Thread Arun Lists
I am trying to register classes with KryoSerializer. I get the following error message: How do I find out what class is being referred to by: *OpenHashMap$mcI$sp ?* *com.esotericsoftware.kryo.KryoException: java.lang.IllegalArgumentException: Class is not registered: