Re: Have some problem about the SSL connection by JDBC

You need to import the certificate of the server into your default cert
store on the client for a valid ssl handshake to take place.

--Barry

zhang-x(at)cnt(dot)mxy(dot)nes(dot)nec(dot)co(dot)jp wrote:
> I have some big problem.
> I install these packages in Redhat Enterprise ES3.
> postgresql-7.4.1-1PGDG.i386.rpm
> postgresql-jdbc-7.4.1-1PGDG.i386.rpm
> postgresql-libs-7.4.1-1PGDG.i386.rpm
> postgresql-server-7.4.1-1PGDG.i386.rpm
>
> When I use the ssl connection by JDBC,I have some problem.
> --------------my program----------------
> try{
> String DBDriver="org.postgresql.Driver";
> Class.forName(DBDriver);
> String DBUrl = "jdbc:postgresql://myserver:50813/mydbname?ssl";
> String strUser = "user";
> String strPassword = "user";
> Connection conn=DriverManager.getConnection(DBUrl,strUser,strPassword);
> ... ....
> conn.close();
> }catch(Exception e){
> out.println(e.getMessage());
> }
> -------------------Error-------------------------
> An I/O error has occured while flushing the output - Exception:
> javax.net.ssl.SSLHandshakeException:
> sun.security.validator.ValidatorException: No trusted certificate found
> Stack Trace:
> javax.net.ssl.SSLHandshakeException:
> sun.security.validator.ValidatorException: No trusted certificate found
> at com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.a(DashoA6275)
> at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA6275) .....
> ----------------server log---------------
> could not initialize SSL connection: sslv3 alert certificate unknown
> When I use pgdev.301.jdbc3.jar download from
> http://jdbc.postgresql.org/download.html I get the same error.
> Can anybody help me?
>
>
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