Thanks for the help. I followed David's suggestions to install Tomcat on another machine and the JNDI JDBC works finally.
The Tomcat version from the original machine should miss something that causes the failure of JNDI-JDBC. Stanley -----Original Message----- From: Martin Gainty [mailto:mgai...@hotmail.com] Sent: Wednesday, March 04, 2009 12:12 PM To: Tomcat Users List Subject: RE: Cannot create JDBC driver of class '' for connect URL 'null' at last count there are 16 different supported drivers for Postgres http://jdbc.postgresql.org/download.html#current which driver are you implementing? BTW here the url should be jdbc:postgresql://host:port/database contents of %POSTGRES_HOME%/data/postgresql.conf: listen_addresses = 'localhost' # what IP address(es) to listen on; # comma-separated list of addresses; # defaults to 'localhost', '*' = all # (change requires restart) port = 5432 assuming the host and port are identical the URL should be.. jdbc:postgresql://localhost:5432/databaseask your DBA what the name of the DB is.. Martin ______________________________________________ Disclaimer and confidentiality note Everything in this e-mail and any attachments relates to the official business of Sender. This transmission is of a confidential nature and Sender does not endorse distribution to any party other than intended recipient. Sender does not necessarily endorse content contained within this transmission. > Date: Wed, 4 Mar 2009 10:56:52 -0500 > From: d...@cornell.edu > To: users@tomcat.apache.org > Subject: Re: FW: Cannot create JDBC driver of class '' for connect URL 'null' > > Stanley Wong wrote: > > Thanks, David. > > > > Unfortunately, it still fails. > > > > Does it have other tools that we may use to get more clues? > > > > Thank you, > > > > Stanley > > > > > Unfortunately I'm out of ideas at this point. Everything in front of me > suggests this should be working at this point. If I were you, I would > go through the JNDI howto on tomcat's website step by step in a parallel > webapp and see if you can get the examples there to work. After getting > that to work, compare what you have with that to see where the > differences are. I've done this setup many, many times and have > consistently been able to get it working almost from the first try. > > One last thought -- looking back through the thread, I can't see where > this might have been mentioned, but is this tomcat install a genuine > tomcat from tomcat.apache.org or is this a third party repackage? If > it's a third party repackage (possibly from a linux vendor), try your > webapp with a genuine tomcat downloaded from tomcat.apache.org. If that > fixes anything, you might want to either replace the third party package > or contact people maintaining your linux distribution for help. > > --David > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > _________________________________________________________________ Windows Live(tm) Groups: Create an online spot for your favorite groups to meet. http://windowslive.com/online/groups?ocid=TXT_TAGLM_WL_groups_032009 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
