remote connection with JDBC

Hi,

I am trying to connect postgresql database from a remote pc. Here is my code:

Class.forName("org.postgresql.Driver");
Connection conn = DriverManager.getConnection("jdbc:postgresql://machine.mylbl.gov:5432/mydatabase", "username", "passwd");

But I always get the following exception:

org.postgresql.util.PSQLException: The connection attempt failed.

Exception: java.io.EOFException

Stack Trace:

java.io.EOFException

at org.postgresql.core.PGStream.ReceiveChar(PGStream.java:244)

at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication(ConnectionFactoryImpl.java:222)

at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:94)

at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:65)

at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Connection.java:106)

at org.postgresql.jdbc2.Jdbc2Connection.<init>(Jdbc2Connection.java:15)

at org.postgresql.Driver.connect(Driver.java:140)

at java.sql.DriverManager.getConnection(DriverManager.java:538)

at java.sql.DriverManager.getConnection(DriverManager.java:188)

at Test.main(Test.java:29)

End of Stack Trace

at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:119)

at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:65)

at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Connection.java:106)

at org.postgresql.jdbc2.Jdbc2Connection.<init>(Jdbc2Connection.java:15)

at org.postgresql.Driver.connect(Driver.java:140)

at java.sql.DriverManager.getConnection(DriverManager.java:538)

at java.sql.DriverManager.getConnection(DriverManager.java:188)

at Test.main(Test.java:29)

Why:

Thanks,

Tony

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