Infinispan session storage problems

[lex]

Hi All,

We've been using Infinispan/Hotrod for session storage successfully,
however occasionally we get Railo errors that start out sporadically,
but then eventually occur on every request. Here's the first part of
the error:

Railo 3.3.1.000 Error
(org.infinispan.client.hotrod.exceptions.InvalidResponseException)
Message Invalid magic number. Expected 0xa1 and received 0x74
Cause
org.infinispan.client.hotrod.exceptions.InvalidResponseException

We are new to Infinispan, so don't know much about configuring or
troubleshooting. We are using this in a clustered environment.

Thanks for any help anyone can give.

Lex

[Denny]

Hi Lex!

The "magic number" error (generally) happens when there is a non-hotrod
serialized object added to the cache.

Are you adding to the cache using other clients? It is possible to do
so, but you must use the JBoss marshaler so that the hotrod clients can
deserialize.

I'll see that error in testing when I forget to start the stand-alone
client in hot rod mode.

I don't know offhand if you can somehow evict the offending object
without kicking the node.

If you are not using other clients, I suspect that something incorrect
is sneaking in-- or perhaps I'm barking up the wrong tree (always
possible!) :)

:Denny

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