Обсуждение: Using the JDBC Driver - users: Permission Denied
I am working on my first PostgreSQL application using Java... I'm previously a mySQL user... I am running 7.1 beta4. Anyway, I got everything installed and to the point that my JSP is trying to access the database... When I try to make the Connection call, I get this error message: java.sql.SQLException: ERROR: users: Permission denied. I created a user called 'test' using the 'createuser' program. I am trying to connect as this user without a password. The servlet engine is on the same machine as the database. I have not modified pg_hba.conf file at all. There must be a permissions thing but I don't know what it is. The database was not created as this user... Is that the problem? If so, how do I change the ownership over to the newer user. I looked in Bruce's book but I'm still having trouble. Any help is appreciated. Thanks. Hunter -- Hunter Hillegas hunter@lastonepicked.com
At 10:49 07/02/01 -0800, Hunter Hillegas wrote: >I am working on my first PostgreSQL application using Java... I'm previously >a mySQL user... I am running 7.1 beta4. > >Anyway, I got everything installed and to the point that my JSP is trying to >access the database... > >When I try to make the Connection call, I get this error message: > >java.sql.SQLException: ERROR: users: Permission denied. Have you granted permission to the account your servlet is connecting as? >I created a user called 'test' using the 'createuser' program. I am trying >to connect as this user without a password. The servlet engine is on the >same machine as the database. > >I have not modified pg_hba.conf file at all. Should work... >There must be a permissions thing but I don't know what it is. The database >was not created as this user... Is that the problem? If so, how do I change >the ownership over to the newer user. atleast do: GRANT SELECT ON table TO user ; >I looked in Bruce's book but I'm still having trouble. > >Any help is appreciated. Thanks. > >Hunter >-- >Hunter Hillegas >hunter@lastonepicked.com
I hadn't done the grant... I just ran the following: GRANT SELECT ON groundswell-test TO testDbLogin and there was no error message or anything like that from psql. Still, when trying to hit the servlet, I get the same message regarding permission denied. I must be doing something wrong... My machine has many virtual IP addresses (but just one NIC). Is it possible it's trying to connect from something other than localhost? Is there anyway to check this? I'm using this connect URL: jdbc:postgresql:groundswell-test Postmaster is running with the '-I' flag on. Anyway, I'm running Sun JDK1.3 on RedHat Linux 6.1/Intel. I must be doing something wrong, I just can't figure it out. -- Hunter Hillegas hunter@lastonepicked.com > From: Peter Mount <peter@retep.org.uk> > Date: Wed, 07 Feb 2001 22:13:25 +0000 > To: Hunter Hillegas <hunter@lastonepicked.com>, PostgreSQL > <pgsql-general@postgresql.org> > Subject: Re: [GENERAL] Using the JDBC Driver - users: Permission Denied > > At 10:49 07/02/01 -0800, Hunter Hillegas wrote: >> I am working on my first PostgreSQL application using Java... I'm previously >> a mySQL user... I am running 7.1 beta4. >> >> Anyway, I got everything installed and to the point that my JSP is trying to >> access the database... >> >> When I try to make the Connection call, I get this error message: >> >> java.sql.SQLException: ERROR: users: Permission denied. > > Have you granted permission to the account your servlet is connecting as? > > >> I created a user called 'test' using the 'createuser' program. I am trying >> to connect as this user without a password. The servlet engine is on the >> same machine as the database. >> >> I have not modified pg_hba.conf file at all. > > Should work... > > >> There must be a permissions thing but I don't know what it is. The database >> was not created as this user... Is that the problem? If so, how do I change >> the ownership over to the newer user. > > atleast do: GRANT SELECT ON table TO user ; > > >> I looked in Bruce's book but I'm still having trouble. >> >> Any help is appreciated. Thanks. >> >> Hunter >> -- >> Hunter Hillegas >> hunter@lastonepicked.com >
Apart from the grant db/table access right to dividual db user, you have to modify the pg_hba.conf to grant the connection right for specific IP to access postgresql database. Before you try to apply the security checking, try to do the connection with trust(no password required) first. At the end of the pg_hba.conf, add the following line host test 192.168.1.0 255.255.255.0 trust This will make all host with the IP 192.168.1.* to access the "test" db without password. Once this is okay, you can replace it with the following line : host test 192.168.1.0 255.255.255.0 crypt In order to enable the password checking, you have to enter the passwd for the account in the "pg_shadow" System table. List all System table : \dS List the content of "pg_shadow": select * from pg_shadow; ------------+--------- usename | testuser usesysid | 27 usecreatedb | t usetrace | f usesuper | f usecatupd | f passwd | test123 valuntil | ------------+--------- Hope this can help you. peter@retep.org.uk (Peter Mount) wrote in <5.0.2.1.0.20010207221117.00a65e60@mail.retep.org.uk>: >At 10:49 07/02/01 -0800, Hunter Hillegas wrote: >>I am working on my first PostgreSQL application using Java... I'm >>previously a mySQL user... I am running 7.1 beta4. >> >>Anyway, I got everything installed and to the point that my JSP is >>trying to access the database... >> >>When I try to make the Connection call, I get this error message: >> >>java.sql.SQLException: ERROR: users: Permission denied. > >Have you granted permission to the account your servlet is connecting >as? > > >>I created a user called 'test' using the 'createuser' program. I am >>trying to connect as this user without a password. The servlet engine >>is on the same machine as the database. >> >>I have not modified pg_hba.conf file at all. > >Should work... > > >>There must be a permissions thing but I don't know what it is. The >>database was not created as this user... Is that the problem? If so, >>how do I change the ownership over to the newer user. > >atleast do: GRANT SELECT ON table TO user ; > > >>I looked in Bruce's book but I'm still having trouble. >> >>Any help is appreciated. Thanks. >> >>Hunter >>-- >>Hunter Hillegas >>hunter@lastonepicked.com >