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Re: [INTERFACES] Exception: java.sql.SQLException: No suitable driver

From: Ralf Lehmann <ralf(at)lehmann(dot)cc>
To: FloydS(at)4peakstech(dot)com
Cc: pgsql-interfaces(at)postgreSQL(dot)org
Subject: Re: [INTERFACES] Exception: java.sql.SQLException: No suitable driver
Date: 2000-02-18 22:32:38
Message-ID: 38ADC886.196E0D3C@lehmann.cc (view raw or flat)
Thread:
Lists: pgsql-interfaces

Floyd Shackelford schrieb:
> 
> I am trying to write a jdbc application for the first time and I can't seem
> to connect to the database. I think my code is write. I suspect that my
> problem is in my run script. PrintJob is the name of the class I am running
> which wants to access the database. Anyone have any suggestions?
> 
> I am using the jdbc6.5-1.1.jar downloaded from the postgresql jdbc web site.
> 
> here is the error I'm receiving:
> 
> Exception: java.sql.SQLException: No suitable driver
> java.sql.SQLException: No suitable driver
>         at java.sql.DriverManager.getConnection(DriverManager.java:111)
>         at java.sql.DriverManager.getConnection(DriverManager.java:134)
>         at PrintJob.ConnectDatabase(PrintJob.java:186)
>         at PrintJob.main(PrintJob.java:496)
> 
> here is my run script:
> 
> #! /bin/bash
> 
> # NOTE
> # The environment variable JDKTOP must be set to point
> # to the top of the jdk directory before running this
> # script
> 
> CLASSPATH=.:$JDKTOP/lib:../jar/jdbc6.5-1.1.jar
> 
> # the host name must be followed by a slash
> DBURL=jdbc:postgresql://*.*.*.*/
> 
> DBUSER=******
> 
> # since the password is stored in this script, you want to insure
> permissions
> # are adequate to keep prying eyes away
> DBPASSWD=*******
> 
> # set VERBOSE to blank if you want to turn the PrintJob server's verbose
> mode off
> VERBOSE=-verbose
> 
> cd ./class
> 
> java -Djdbc.drivers=postgresql.Driver PrintJob -dburl $DBURL -dbuser
> $DBUSER -dbpasswd $DBPASSWD $VERBOSE

youre script looks good !
but the error you get is typical a problem to find no driver(wrong
classpath or misplaced driver)
call java with -verbose flag and check if anything from jdbc6.5-1.1.jar
is loading.
if not check again your classpath there must a mistake
else
look in the jdbc.jar and check if postgresql.Driver.class is in it and
you have
a path like postgresql/jdbc2 or postgresql/jdbc1 eqvivalent to your jdk
i hope to solve your problem 


mfg
ralf lehmann

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