播放框架ebean配置

Question

当我尝试将一个简单的项目保存到我的H2 db时，我得到了这个错误：

"javax.persistence.PersistenceException: The default EbeanServer has not been defined ? This is normally set via the ebean.datasource.default property. Otherwise it should be registered programatically via registerServer()"

我的play application.conf文件

 # Database configuration
    # ~~~~~
    # You can declare as many datasources as you want.
    # By convention, the default datasource is named `efault
    db.default.driver=org.h2.Driver
    db.default.url="jdbc:h2:mem:play"
    db.default.jndiName=DefaultDS
    db.default.user=sa
    db.default.password=""

    # JPA configuration
    # ~~~~~
    # You can declare as many Ebean servers as you want.
    # By convention, the default server is named `default`
   jpa.default=defaultPersistenceUnit  
   ebean.datasource.default=DefaultDS
   ebean.default="models.*"

Answer 1

要使用JNDI DataSource，您需要设置：

ebean.datasource.factory=jndi

datasource.default作为JNDI DataSource名称。您还可以覆盖缺省为java:comp/env/jdbc/的ebean.datasource.jndi.prefix。

Answer 2

当没有合适的.conf文件时，通常会发生这种情况。例如，我使用以下命令运行play框架：

~/play-2.1.2/play -Dconfig.file=conf/local.conf

而且我没有local.conf文件。