'play framework'에 해당되는 글 2건

  1. 2013.07.27 [ValidationException: HV000041: Call to TraversableResolver.isReachable() threw an exception.]
  2. 2013.07.27 Your first Play application

[ValidationException: HV000041: Call to TraversableResolver.isReachable() threw an exception.]

Play Framework todolist 예제를 따라하다가 발생한 에러


검색해보면 setter/getter를 추가해라는 답변도 있는데, 콘솔 에러를 보면
! @6f4fl4mol - Internal server error, for (POST) [/tasks] ->

play.api.Application$$anon$1: Execution exception[[ValidationException: HV000041: Call to TraversableResolver.isReachable() threw an exception.]]
        at play.api.Application$class.handleError(Application.scala:289) ~[play_2.10.jar:2.1.2]
    ...
        at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:133) ~[hibernate-validator.jar:4.3.0.Final]
Caused by: java.lang.RuntimeException: No @javax.persistence.Id field found in class [class models.Task]
        at play.db.ebean.Model._idAccessors(Model.java:54) ~[play-java-ebean_2.10.jar:2.1.2]
        at play.db.ebean.Model._getId(Model.java:67) ~[play-java-ebean_2.10.jar:2.1.2]
        at play.db.ebean.Model.hashCode(Model.java:208) ~[play-java-ebean_2.10.jar:2.1.2]
        at org.hibernate.validator.internal.engine.resolver.SingleThreadCachedTraversableResolver$TraversableHolder.buildHashCode(SingleThreadCachedTraversableResolver.java:153) ~[hibernate-validator.jar:4.3.0.Final]
        at org.hibernate.validator.internal.engine.resolver.SingleThreadCachedTraversableResolver$TraversableHolder.<init>(SingleThreadCachedTraversableResolver.java:114) ~[hibernate-validator.jar:4.3.0.Final]
        at org.hibernate.validator.internal.engine.resolver.SingleThreadCachedTraversableResolver$TraversableHolder.<init>(SingleThreadCachedTraversableResolver.java:96) ~[hibernate-validator.jar:4.3.0.Final]

1.X 문서에서는 Play Model 클래스에서 @Id를 제공한다고 해서, @Id를 넣지 않아서 발생했다.
저작자표시 비영리 변경금지

Your first Play application

http://www.playframework.com/documentation/2.1.x/JavaTodoList

Play 2.1.2
아주 간단한 예제

> play new todolist //프로젝트 생성
> cd todolist
> play
[todolist] $ run


There is no need to compile the code yourself or restart the server to see the modification. It is automatically reloaded when a change is detected.

- 라우팅 추가
conf/routes
# Home page
GET     /                             controllers.Application.index()
                               
# Tasks         
GET     /tasks                      controllers.Application.tasks()
POST    /tasks                    controllers.Application.newTask()
POST    /tasks/:id/delete       controllers.Application.deleteTask(id: Long)

- Task 모델
- 템플릿 수정
index.scala.html

- Rendering the first page


- form 전송 처리 - 데이터베이스 처리
conf/application
db.default.driver=org.h2.Driver
db.default.url="jdbc:h2:mem:play"
...
ebean.default="models.*"
서버 재시작할 필요없음.

EBean (Play’s default ORM) 사용
- 삭제 기능
- Heroku에 배포
...다음 기회에
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