java通过用于tuffy的JDBC连接到PostgreSql的本地实例

Question

我可以使用“psql -h localhost -U myuser mydatabase”登录Postgres

但我的tuffy配置文件如下：

# JDBC connection string; must be PostgreSQL
db_url = jdbc:postgresql://localhost:5432/mydb

# Database username; must be a superuser
db_username = myuser

# The password for db_username
db_password = mypass

# The working directory; Tuffy may write sizable temporary data here
dir_working = /var/postgres/data

但当我运行tuffy命令时，它会显示如下错误：

Connecting to RDBMS at jdbc:postgresql://localhost:5432/tuffydb Failed to connect to PostgreSQL! FATAL: password authentication failed for user "tuffer" Exception in thread "main" java.lang.NullPointerException at tuffy.db.RDB.query(RDB.java:438) at tuffy.db.RDB.schemaExists(RDB.java:676) at tuffy.db.RDB.resetSchema(RDB.java:717) at tuffy.main.Infer.setUp(Infer.java:77) at tuffy.main.PartInfer.run(PartInfer.java:18) at tuffy.main.Main.main(Main.java:29)