Fix errors

Author: nakamura-to

kweet/src/KweetApplication.kt

@@ -11,7 +11,7 @@ import io.ktor.server.application.Application
 import io.ktor.server.application.ApplicationCall
 import io.ktor.server.application.install
 import io.ktor.server.freemarker.FreeMarker
-import io.ktor.server.plugins.callloging.CallLogging
+import io.ktor.server.plugins.calllogging.CallLogging
 import io.ktor.server.plugins.conditionalheaders.ConditionalHeaders
 import io.ktor.server.plugins.defaultheaders.DefaultHeaders
 import io.ktor.server.plugins.partialcontent.PartialContent
@@ -78,6 +78,7 @@ class Logout()
 /**
  * Represents a session in this site containing the userId.
  */
+@Serializable
 data class KweetSession(val userId: String)
 
 /**

kweet/src/Register.kt

@@ -3,15 +3,14 @@ package io.ktor.samples.kweet
 import io.ktor.http.Parameters
 import io.ktor.samples.kweet.dao.DAOFacade
 import io.ktor.samples.kweet.model.User
-import io.ktor.server.application.application
-import io.ktor.server.application.call
 import io.ktor.server.application.log
 import io.ktor.server.freemarker.FreeMarkerContent
 import io.ktor.server.request.receive
 import io.ktor.server.resources.get
 import io.ktor.server.resources.post
 import io.ktor.server.response.respond
 import io.ktor.server.routing.Route
+import io.ktor.server.routing.application
 import io.ktor.server.sessions.get
 import io.ktor.server.sessions.sessions
 import io.ktor.server.sessions.set