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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