无法连接到db - PlayFramework + Ebean

时间:2016-11-28 05:51:06

标签: java mysql playframework

关于同样的错误存在很多问题,但这些答案对我没有帮助。

错误是:

  

[CompletionException:javax.persistence.PersistenceException:默认的EbeanServer尚未定义?这通常通过ebean.datasource.default属性设置。否则,应通过registerServer()]

以编程方式注册

引发此错误的代码:

public Result newuser() {
    Form<UserAuth> userform = formFactory.form(UserAuth.class).bindFromRequest();
    if(userform.hasErrors()) {
        return landing();
    }

    userform.get().save();
    flash("success", "User " + userform.get().login + " has been added");
    return landing();
}

build.sbt:

version := "1.0-SNAPSHOT" 
lazy val root = (project in file(".")).enablePlugins(PlayJava, PlayEbean)
scalaVersion := "2.11.7"
libraryDependencies ++= Seq(
javaJdbc,
cache,
javaWs,
evolutions,
"com.adrianhurt" %% "play-bootstrap" % "1.1-P25-B3",
"mysql" % "mysql-connector-java" % "5.1.21"
)

plugins.sbt:

addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.5.10")
addSbtPlugin("com.typesafe.sbt" % "sbt-play-enhancer" % "1.1.0")
addSbtPlugin("com.typesafe.sbt" % "sbt-play-ebean" % "3.0.2")

application.conf:

play.evolutions {
   #db.default.enabled = false
}

play.db {
 config = "db"
 default = "typobank"

 prototype {
 # Sets a fixed JDBC connection pool size of 50
 #hikaricp.minimumIdle = 50
 #hikaricp.maximumPoolSize = 50
 pool = "default"
 driver = com.mysql.jdbc.Driver
 user=user
 password=pass
 url="jdbc:mysql://localhost/typobank"

 hikaricp {
  #connectionTestQuery = "SELECT 1"
 }
 }
 }
 db {
    db.default.driver=com.mysql.jdbc.Driver
    db.default.url="jdbc:mysql://localhost/typobank?characterEncoding=UTF-8"
    db.default.username=hiddenuser
    db.default.password=pass
    ebean.default=["models.*"]
 }

3 个答案:

答案 0 :(得分:0)

我认为应该足够像这样的application.conf:

db {
    default.driver=com.mysql.jdbc.Driver
    default.url="mysql://hiddenuser:pass@localhost/typobank?characterEncoding=UTF-8"
    default.username=hiddenuser
    default.password=pass
}
ebean.default=["models.*"]

<强>更新 我试过这个修复程序,但这会在启动期间引发异常: this raise an exception during startup

答案 1 :(得分:0)

令人难以置信,但在丢弃默认配置垃圾后,我已经完成了所有工作!

这里使用纯配置:

play.crypto.secret = "changeme"

play.i18n.langs = [ "en" ]

db.default.driver=com.mysql.jdbc.Driver
db.default.url="jdbc:mysql://localhost/typobank?characterEncoding=UTF-8"
db.default.username=hiddenuser
db.default.password=pass

ebean.default=["models.*"]

答案 2 :(得分:0)

你的

db {
  db.default...
}

评估为db.db.default,这就是未检测到的原因。这是首要的主要原因。一定是

db {
  default.driver=com.mysql.jdbc.Driver
  default.url="jdbc:mysql://localhost/typobank?characterEncoding=UTF-8"
  default.username=hiddenuser
  default.password=pass
}