lagom에서 내부적으로 persistence로 사용하는 cassandra모듈 라이브러리가 없어서 발생하는 문제이므로 build.sbt에 다음을 추가해준다.

libraryDependencies ++= Seq(lagomJavadslPersistence)

------------------오류내용---------

LF4J: com.google.inject.internal.BytecodeGen
SLF4J: The following set of substitute loggers may have been accessed
SLF4J: during the initialization phase. Logging calls during this
SLF4J: phase were not honored. However, subsequent logging calls to these
SLF4J: loggers will work as normally expected.
SLF4J: See also http://www.slf4j.org/codes.html#substituteLogger
[warn] c.l.l.i.p.c.ServiceLocatorSessionProvider - Could not find Cassandra contact points, due to: ServiceLocator is not bound
[warn] a.k.KafkaConsumerActor - Consumer interrupted with WakeupException after timeout. Message: null. Current value of akka.kafka.consumer.wakeup-timeout is 3000 milliseconds
[warn] a.k.KafkaConsumerActor - Consumer interrupted with WakeupException after timeout. Message: null. Current value of akka.kafka.consumer.wakeup-timeout is 3000 milliseconds
[warn] c.l.l.i.j.r.ServiceRegistryServiceLocator - Service name=[elastic-search] was not found. Hint: Maybe it was not registered?
[error] c.l.l.i.b.k.KafkaSubscriberActor - Topic subscription interrupted due to failure: [java.lang.IllegalStateException: Service elastic-search was not found by service locator]
[error] a.a.OneForOneStrategy - Service elastic-search was not found by service locator
java.lang.IllegalStateException: Service elastic-search was not found by service locator
        at com.lightbend.lagom.internal.client.ClientServiceCallInvoker$$anonfun$doInvoke$2.apply(ClientServiceCallInvoker.scala:75) ~[lagom-client_2.11-1.3.5.jar:1.3.5]
        at com.lightbend.lagom.internal.client.ClientServiceCallInvoker$$anonfun$doInvoke$2.apply(ClientServiceCallInvoker.scala:72) ~[lagom-client_2.11-1.3.5.jar:1.3.5]
        at scala.util.Success$$anonfun$map$1.apply(Try.scala:237) ~[scala-library-2.11.8.jar:1.0.1]
        at scala.util.Try$.apply(Try.scala:192) ~[scala-library-2.11.8.jar:1.0.1]
        at scala.util.Success.map(Try.scala:237) ~[scala-library-2.11.8.jar:1.0.1]
        at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:237) ~[scala-library-2.11.8.jar:na]
        at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:237) ~[scala-library-2.11.8.jar:na]
        at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) ~[scala-library-2.11.8.jar:na]
        at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55) ~[akka-actor_2.11-2.4.19.jar:na]
        at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91) ~[akka-actor_2.11-2.4.19.jar:na]