Question

我正在尝试将我的Dropwizard项目部署到Heroku。

我在Heroku应用程序中添加了一个Procfile和一个Postgres数据库。我的Procfile读取：

web: java $JAVA_OPTS -Ddw.server.connector.port=$PORT -Ddw.database.url=$DATABASE_URL -jar target/api-1.0-SNAPSHOT.jar server config.yml

当我尝试部署时，我在日志中收到以下错误/崩溃消息。

org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator: HHH000342: Could not obtain connection to query metadata : Driver:org.postgresql.Driver@53d13cd4 returned null for URL:postgres://fdeqzbddzbefaz:138912590e989b1b8fab5d169a1aea291f04b2d3bc040b1bbf6642a9207a5355@ec2-54-235-101-91.compute-1.amazonaws.com:5432/d67crr4pvqrfee
Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
State changed from starting to crashed
Process exited with status 1

我的config.yml读取

database:
 # the name of your JDBC driver
 driverClass: org.postgresql.Driver

 # the username
 user: localusername

 # the JDBC URL
 url: jdbc:postgresql://localhost/dbname

# use the simple server factory if you only want to run on a single port
# HEROKU NOTE - the port gets be overridden with the Heroku $PORT in the Procfile
server:
  type: simple
  applicationContextPath: /
  #adminContextPath: /admin # If you plan to use an admin path, you'll need to also use non-root app path
  connector:
    type: http
    port: 8080

有没有人在拍摄创意时遇到任何麻烦？

Answer 1

DATABASE_URL env var与JDBC URL格式不直接兼容。见docs。具体地，

Heroku Postgres附加组件的DATABASE_URL遵循以下惯例

postgres的：//用户名：密码@主机：端口/ DBNAME

然而，Postgres JDBC驱动程序使用以下约定：

JDBC：在PostgreSQL：//主机：端口/ DBNAME用户=用户名和安培;密码=密码

相反，请尝试使用JDBC_DATABASE_URL <{3}}

坠毁在Heroku的Dropwizard

1 个答案: