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使用Dropwizard 0.7.1設置休眠模式的問題。 “無法在0.7.1上創建休眠會話”

[英]Issue with setting up hibernate with Dropwizard 0.7.1. “Unable to create a hibernate session on 0.7.1”

我無法在0.7.1中創建休眠會話。 我知道我不是在創建休眠會話。 但是無法弄清楚我要去哪里錯了。 任何幫助將不勝感激。

ERROR:
! org.hibernate.HibernateException: No session currently bound to execution context
! at org.hibernate.context.internal.ManagedSessionContext.currentSession(ManagedSessionContext.java:75) ~[userengine-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
! at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:1014) ~[userengine-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]

申請文件:

public class UserEngineApplication extends Application<UserEngineConfiguration>{

public static void main(String[] args) throws Exception {
    new UserEngineApplication().run(args);
}

private final HibernateBundle<UserEngineConfiguration> hibernateBundle =
        new HibernateBundle<UserEngineConfiguration>(Persons.class) {
            @Override
            public DataSourceFactory getDataSourceFactory (UserEngineConfiguration configuration) 
            {
                return configuration.getDataSourceFactory();
            }
};

@Override
public void initialize(Bootstrap<UserEngineConfiguration> bootstrap) {
    bootstrap.addBundle(hibernateBundle);
}

@Override
public void run(UserEngineConfiguration configuration, Environment environment) throws Exception {

    final PersonDAO personsdao = new PersonDAO(hibernateBundle.getSessionFactory());
        environment.jersey().register(new PersonsResource(personsdao));
}
}

配置文件:

public class UserEngineConfiguration extends Configuration {
@Valid
@NotNull
@JsonProperty
private DataSourceFactory database = new DataSourceFactory();

@JsonProperty("database")
public DataSourceFactory getDataSourceFactory() {
    return database;
}

@JsonProperty("database")
public void setDataSourceFactory(DataSourceFactory dataSourceFactory)
{
    this.database = dataSourceFactory;
}
}

YAML文件:

database:
  driverClass: org.postgresql.Driver
  user: user
  password: pass
  url: jdbc:postgresql://localhost:5432/Tryout

我嘗試過的一些鏈接:

https://github.com/dropwizard/dropwizard/tree/master/dropwizard-example

如何使用dropwizard上的guice自動連接HibernateBundle?

在資源方法上添加@UnitOfWork批注后,它可以工作。

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