Hi James,

That is indeed strange. Would you mind opening an issue with this description, 
and maybe even a minimized reproducer?

B/ 

On 22 May 2014 at 14:50:23, James Brems ([email protected]) wrote:

Hi Björn,

today I found out that the root cause seems to be the length of the fully 
qualified class name of the snapshot class. If the length (pacakge+class name) 
exceeds 60 characters an EOFException is thrown instead of calling fromBinary.

Here's my reference.conf:

akka {
  actor {
    serializers {
        customSerializer = "com.handler.util.CommonSerializer"
    }
    serialization-bindings {
        "com.handler.common.dispatcher.xxxxxxxxxxxxxxxxxxx.MySnapshot" = 
customSerializer
    }
  }
}

Here's the scala file where I define the MySnapshot class:

package com.handler.common.dispatcher.xxxxxxxxxxxxxxxxxxx

@SerialVersionUID(1L)
case class MySnapshot(id: String)

Here's the common serializer:

package com.handler.util

class CommonSerializer extends Serializer {
  def includeManifest: Boolean = true
  def identifier = 5177

  def toBinary(obj: AnyRef): Array[Byte] = {
    val outputStream = new ByteArrayOutputStream()
    outputStream.toByteArray
  }

  def fromBinary(bytes: Array[Byte],
                 clazz: Option[Class[_]]): AnyRef = {
    None
  }
}

If I make the package name shorter it works without throwing an EOFException - 
fromBinary is called then.
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Björn Antonsson
Typesafe – Reactive Apps on the JVM
twitter: @bantonsson

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