我在 AWS 中创建了一个可公开访问的 PostgreSQL RDS,并使用以下代码连接到它:
try {
DriverManager.registerDriver(new org.postgresql.Driver());
String url = "jdbc:postgresql://" + DATABASE_SERVER_NAME + ":" + DATABASE_PORT_NUMBER + "/" + DATABASE_NAME + "?user=" + DATABASE_USER + "&password=" + DATABASE_PASSWORD;
try (Connection connection = DriverManager.getConnection(url)) {
try (PreparedStatement statement = connection.prepareStatement("SELECT * FROM \"" + PHANTOM_LOAD_STORE_DATABASE_TABLE_NAME + "\"")) {
try (ResultSet resultSet = statement.executeQuery()) {
while (resultSet.next()) {
System.out.println(resultSet.getString("userid"));
}
}
}
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
当它在本地运行时,它会成功连接到数据库服务器。
当它在 AWS Lambda 中运行时,它无法连接并出现以下错误:
org.postgresql.util.PSQLException: The connection attempt failed.
...
Caused by: java.net.SocketTimeoutException: connect timed out
lambda 不在 VPC 中并且具有角色 policy arn:aws:iam::aws:policy/AmazonRDSDataFullAccess。
有人可以告诉我我做错了什么吗?
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