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Merge pull request #22020 from akka/wip-catch-deserialization-patriknw

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catch NotSerializableException from deserialization, #20641
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Patrik Nordwall 2017-01-02 16:00:06 +01:00 • committed by GitHub
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akka-docs/rst/scala/serialization.rst
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@ -135,6 +135,15 @@ This is how a ``SerializerWithStringManifest`` looks like:
You must also bind it to a name in your :ref:`configuration` and then list which classes
that should be serialized using it.
It's recommended to throw ``java.io.NotSerializableException`` in ``fromBinary``
if the manifest is unknown. This makes it possible to introduce new message types and
send them to nodes that don't know about them. This is typically needed when performing
rolling upgrades, i.e. running a cluster with mixed versions for while.
``NotSerializableException`` is treated as a transient problem in the TCP based remoting
layer. The problem will be logged and message is dropped. Other exceptions will tear down
the TCP connection because it can be an indication of corrupt bytes from the underlying
transport.
Serializing ActorRefs
---------------------