Chat example failing with Redis storage?

[Alex Miller]

Hey Jonas, I was trying to run your chat sample and got the following:

ERR [20100103-21:30:02.380] actor: Exception when invoking
ERR [20100103-21:30:02.380] actor: actor [Actor
[se.scalablesolutions.akka.sample.chat.RedisChatStorage:
1262572999696]]
ERR [20100103-21:30:02.380] actor: with message [GetChatLog
(jonas)]
ERR [20100103-21:30:02.380] actor: java.util.NoSuchElementException:
akka.chat.log not present
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.state.RedisStorageBackend
$.getVectorStorageSizeFor(RedisStorageBackend.scala:233)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.state.PersistentVector$class.length
(Storage.scala:229)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.state.RedisPersistentVector.length
(RedisStorage.scala:41)
ERR [20100103-21:30:02.380] actor: at scala.RandomAccessSeq$$anon
$13.hasNext(RandomAccessSeq.scala:163)
ERR [20100103-21:30:02.380] actor: at scala.Seq$class.map
(Seq.scala:280)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.state.RedisPersistentVector.map
(RedisStorage.scala:41)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.sample.chat.RedisChatStorage$$anonfun$receive
$2$$anonfun$1.apply(ChatServer.scala:93)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.sample.chat.RedisChatStorage$$anonfun$receive
$2$$anonfun$1.apply(ChatServer.scala:93)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.stm.Transaction$$anon$2.execute
(Transaction.scala:131)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.stm.AtomicTemplate.executeChecked
(AtomicTemplate.java:252)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.stm.AtomicTemplate.execute
(AtomicTemplate.java:216)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.stm.Transaction$.atomic(Transaction.scala:
141)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.sample.chat.RedisChatStorage$$anonfun$receive
$2.apply(ChatServer.scala:92)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.sample.chat.RedisChatStorage$$anonfun$receive
$2.apply(ChatServer.scala:84)
ERR [20100103-21:30:02.380] actor: at scala.PartialFunction$$anon
$1.apply(PartialFunction.scala:38)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.actor.Actor$class.proceed$1(Actor.scala:908)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.actor.Actor$class.transactionalDispatch
(Actor.scala:926)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.actor.Actor$class.liftedTree1$1(Actor.scala:
867)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.actor.Actor$class.invoke(Actor.scala:866)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.sample.chat.RedisChatStorage.invoke
(ChatServer.scala:77)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.dispatch.MessageInvocation.invoke
(Reactor.scala:22)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.dispatch.ExecutorBasedEventDrivenDispatcher$
$anon$1.run(ExecutorBasedEventDrivenDispatcher.scala:68)
ERR [20100103-21:30:02.380] actor: at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask
(ThreadPoolExecutor.java:886)
ERR [20100103-21:30:02.380] actor: at
java.util.concurrent.ThreadPoolExecutor$Worker.run
(ThreadPoolExecutor.java:908)
ERR [20100103-21:30:02.380] actor: at java.lang.Thread.run
(Thread.java:637)
ERR [20100103-21:30:02.380] actor: at
se.scalablesolutions.akka.dispatch.ThreadPoolBuilder
$MonitorableThread.run(ThreadPoolBuilder.scala:244)

any clue before I go hunting? I'm using latest source. Everything
built fine.

[Jonas Bonér]

Hi Alex.

I just tried again and it works fine for me. Tried multiple sessions
and tried killing the server and starting it up again to see client
reconnect kick in. All fine.

Running against Redis 1.0.2.

Are you sure you have Redis running?

How are you running the sample?

----
Jonas Bonér

twitter: @jboner
blog: http://jonasboner.com
work: http://scalablesolutions.se
code: http://github.com/jboner
code: http://akkasource.org
also: http://letitcrash.com

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