Re: Connection problems - local IP address refused!

O
n Wed, 2014-02-05 at 09:37 -0200, Edson Richter wrote:W
ithout any changes in the configuration files, a **local** connection to
a local VPN IP address could not be established with the following
error:
>
> The error (JDBC connection using driver version 1002):
> 2014-02-05 09:12:21.111 - xxxxx - org.postgresql.util.PSQLException:
> ERROR: could not establish connection
> Detail: FATAL: no pg_hba.conf entry for host "10.68.73.6", user
> "master", database "master", SSL off
>
> org.postgresql.util.PSQLException: ERROR: could not establish
> connection
> Detail: FATAL: no pg_hba.conf entry for host "10.68.73.6", user
> "master", database "master", SSL off
>
> at
> org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2157)
> at
> org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1886)
> at
> org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:555)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:403)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:331)
> at
> org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)
> at
> org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)
> at
> org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)
> at br.com...
>
> Current pg_hba.conf:
> local all all
> peer
> host all all 127.0.0.1/32 md5
> host all all 10.68.73.0/24 md5
>
> If I run from the Local Server:
> [root(at)mylocalserver logs]# psql -h 10.68.73.6 -d master -U master
> Senha para usuário master:
> psql (9.2.6)
> Digite "help" para ajuda.
>
> master=> select count(*) from pessoa;
> count
> -------
> 9
> (1 registro)
>
>
> If I run from a Remote Server:
> [root(at)myremoteserver ssh]# psql -h 10.68.73.6 -d master -U master
> Senha para usuário master:
> psql (9.2.6)
> Digite "help" para ajuda.
>
> master=> select count(*) from pessoa;
> count
> -------
> 9
> (1 registro)
>
>
> So, seems that only JDBC is getting in trouble to connect to a local
> IP address.
> Current interfaces (and yes, the tunneling is running - otherwise the
> remote server could not connect):
>
> [root(at)mylocalserver logs]# ifconfig
> eth0 Link encap:Ethernet Endereço de HW XX:XX:XX:XX:XX:XX
> inet end.: xxx.xx.xxx.85 Bcast:xxx.xx.xxx.87
> Masc:255.255.255.248
> endereço inet6: xxxx::xxx:xxxx:xxxx:xxxx/64 Escopo:Link
> UP BROADCASTRUNNING MULTICAST MTU:1500 Métrica:1
> RX packets:172557 errors:0 dropped:0 overruns:0 frame:0
> TX packets:293439 errors:0 dropped:0 overruns:0 carrier:0
> colisões:0 txqueuelen:1000
> RX bytes:24537681 (23.4 MiB) TX bytes:227413210 (216.8
> MiB)
> IRQ:28 Memória:fb000000-fb7fffff
>
> lo Link encap:Loopback Local
> inet end.: 127.0.0.1 Masc:255.0.0.0
> endereço inet6: ::1/128 Escopo:Máquina
> UP LOOPBACKRUNNING MTU:16436 Métrica:1
> RX packets:138156 errors:0 dropped:0 overruns:0 frame:0
> TX packets:138156 errors:0 dropped:0 overruns:0 carrier:0
> colisões:0 txqueuelen:0
> RX bytes:31993170 (30.5 MiB) TX bytes:31993170 (30.5 MiB)
>
> tun0 Link encap:Não Especificado Endereço de HW
> 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
> inet end.: 10.68.73.6 P-a-P:10.68.73.5
> Masc:255.255.255.255
> UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Métrica:1
> RX packets:149106 errors:0 dropped:0 overruns:0 frame:0
> TX packets:274534 errors:0 dropped:199 overruns:0 carrier:0
> colisões:0 txqueuelen:100
> RX bytes:6291572 (6.0 MiB) TX bytes:381732404 (364.0 MiB)
>

The current JDBC version is 1100.
From where did you obtain version 1002?
I think that your PostgreSql version and JDBC version are incompatible.
I use ExecuteQuery and JDBC drivers daily for testing, etc.
The error your are pulling appears to be an issue with versions.

HTH

Robert