1. starting from <tomcat-home>\bin, I type in the command - startup. 2. starting from <tomcat-home>\bin, I type in the command - shutdown.
I do this after every change I make to the tomcat configuration. After I issue the command 'startup,' then I see the classpath output in that same DOS window. Does my server.xml and web.xml setting look correct to all? "Tomcat-RND" <[EMAIL PROTECTED] To: "Tomcat Users List" <[EMAIL PROTECTED]> mail.com> cc: Subject: Re: AW: java.sql.SQLException: Cannot load JDBC driver class 03/12/2003 'null' 07:22 AM Please respond to "Tomcat Users List" Hi, Are you looking in a load-on-startup servlet???? Pratt. ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, March 12, 2003 6:50 PM Subject: RE: AW: java.sql.SQLException: Cannot load JDBC driver class 'null' > > No I did not, but now I do and I still receive the same error. > I have printed out my classpath on the tomcat startup DOS window. > This is: > **** setting the jdbc jar to classpath ***** > ***** classpath is: C:\Development\j2sdk1.4.1_01\lib\tools.jar;C:\development\ja > karta-tomcat-4.1.12\common\lib\mysql-connector-java-3.0.6-stable-bin.jar; ****** > > Currently, I have the jdbc jar file under common\lib, server\lib and > webapps\dbtest\WEB-INF\lib, hoping Tomcat will 'see' it under one of these > locations. > > btw, I'm a first-timer for connecting Tomcat to a database. > > Thanks > > > > > "Clarence > Dahlin" To: "Tomcat Users List" <[EMAIL PROTECTED]> > <clarence.dahlin cc: > @pitch.se> Subject: RE: AW: java.sql.SQLException: Cannot load JDBC driver class > 'null' > 03/12/2003 06:55 > AM > Please respond > to "Tomcat Users > List" > > > > > > > Did you define the driver in you classpath? > > / Clarence Dahlin > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: den 12 mars 2003 13:49 > To: [EMAIL PROTECTED] > Subject: Re: AW: java.sql.SQLException: Cannot load JDBC driver class > 'null' > > > > I put it under server/lib, but no such luck.....still the same error message. > hmmm > > > > > "Uddhav Shirname" > > <[EMAIL PROTECTED] To: "Tomcat Users List" > <[EMAIL PROTECTED]> > ent.co.in> cc: > > Subject: Re: AW: > java.sql.SQLException: Cannot load JDBC driver class > 03/12/2003 06:43 AM 'null' > > Please respond to > > "Tomcat Users List" > > > > > > > > I am not absolutely sure if this is the problem, but I have placed the > database related jars under server/lib. It works for me. > > -- Uddhav > > ----- Original Message ----- > From: <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, March 12, 2003 6:04 PM > Subject: Re: AW: java.sql.SQLException: Cannot load JDBC driver class 'null' > > > > > > Gerlinde, > > > > Thanks for the response! > > I placed my jdbc jar file under common/lib, but I still get the same error > > message. > > If you or anyone else has any other ideas, that would be greatly > appreciated. > > > > > > > > > > "Gerlinde Fischer" > > <[EMAIL PROTECTED] To: "Tomcat > Users List" <[EMAIL PROTECTED]> > > amberg.de> cc: > > Subject: AW: > java.sql.SQLException: Cannot load JDBC driver class > > 03/12/2003 05:47 AM 'null' > > Please respond to "Tomcat > > Users List" > > > > > > > > > > > > > > Hi > > > > where ist your Database Connection? In the server.xml in the > > context for your test application. > > > > The jdbc.driver must be placed into the directory > > common/lib. > > > > I hope this will help. > > > > Regards Gerlinde > > > > > > > -----Ursprungliche Nachricht----- > > > Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > > Gesendet: Dienstag, 11. Marz 2003 22:58 > > > An: [EMAIL PROTECTED] > > > Betreff: java.sql.SQLException: Cannot load JDBC driver class 'null' > > > > > > > > > Tomcat version - 4.1.12 > > > MySQL version - 3.23.55-nt > > > OS - WinNT > > > JDK - 1.4.1_01 > > > > > > I have researched this problem on the internet and in the > > > documentation for > > > Tomcat, and I still haven't resolved this issue. So, I'm looking > > > for help from > > > someone from this list. > > > > > > Here is my URL that I invoke: http://localhost:8080/dbtest/test.jsp > > > Here is the error I receive: > > > > > > java.sql.SQLException: Cannot load JDBC driver class 'null' at > > > org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSou > > > rce.java:529) > > > > > > Referencing this URL - > > > http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jndi-datasource-ex > > > amples-howto.html: > > > 1. I have a database and table with 1 row of data > > > 2. Here is the chunk of code that I inserted into my > > > $CATALINA_HOME/conf/server.xml. > > > <!-- Database configuration for MySQL --> > > > <Context path="/DBTest" docBase="DBTest" > > > debug="5" reloadable="true" crossContext="true"> > > > > > > <Logger className="org.apache.catalina.logger.FileLogger" > > > prefix="localhost_DBTest_log." suffix=".txt" > > > timestamp="true"/> > > > > > > <Resource name="jdbc/TestDB" > > > auth="Container" > > > type="javax.sql.DataSource"/> > > > > > > <ResourceParams name="jdbc/TestDB"> > > > <parameter> > > > <name>factory</name> > > > > > > <value>org.apache.commons.dbcp.BasicDataSourceFactory</value> > > > </parameter> > > > > > > <!-- Maximum number of dB connections in pool.> Make sureyou > > > configure your mysqld max_connections large enoughto> > > handle> all of your db connections. Set to 0 for no > limit.> > --> > > > <parameter> > > > <name>maxActive</name> > > > <value>100</value> > > > </parameter> > > > > > > <!-- Maximum number of idle dB connections to> retain in > pool.> > Set to 0 for no --> > > > <parameter> > > > <name>maxIdle</name> > > > <value>30</value> > > > </parameter> > > > > > > <!-- Maximum time to wait for a dB connection to> become> > available> in ms, in this example 10 seconds. An>> > Exception is thrown> if> this timeout is exceeded.Set> to > -1 to wait> indefinitely.> --> > > > <parameter> > > > <name>maxWait</name> > > > <value>10000</value> > > > </parameter> > > > > > > <!-- MySQL dB username and password for Bonnections --> > > > <parameter> > > > <name>username</name> > > > <value>bugtracker</value> > > > </parameter> > > > <parameter> > > > <name>password</name> > > > <value>footin</value> > > > </parameter> > > > > > > <!-- Class name for mm.mysql JDBC driver --> > > > <parameter> > > > <name>driverClassName</name> > > > <value>org.gjt.mm.mysql.Driver</value> > > > </parameter> > > > > > > <!-- The JDBC connection url for connecting to> yourMySQL > dB.> > The autoReconnect=true argument to the url> makes > sure> that> the> mm.mysql JDBC Driver will automatically> > > reconnect if mysqld> closed the> connection. mysqldby> > default closes idle> connections> after 8 hours.> --> > > > <parameter> > > > <name>url</name> > > > <!--> > > <value>jdbc:mysql://localhost:3306/javatest?autoReconnect=true</value>--> > > > <value>jdbc:mysql://localhost:3306/bugtracker</value> > > > </parameter> > > > </ResourceParams> > > > </Context> > > > 3. Here is my web.xml under > $CATALINA_HOME/webapps/dbtest/web-inf/web.xml: > > > <?xml version="1.0" encoding="ISO-8859-1"?> > > > <!DOCTYPE web-app PUBLIC > > > "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > > > "http://java.sun.com/dtd/web-app_2_3.dtd"> > > > <web-app> > > > <description>MySQL Test App</description> > > > <resource-ref> > > > <description>DB Connection</description> > > > <res-ref-name>jdbc/TestDB</res-ref-name> > > > <res-type>javax.sql.DataSource</res-type> > > > <res-auth>Container</res-auth> > > > </resource-ref> > > > </web-app> > > > > > > 4. Added my DB Driver under > > > $CATALINA_HOME/webapps/dbtest/lib/org/git/mm/mysql/Driver.class. > > > I also tried > > > just putting the jar file under the /lib. > > > > > > 5. Created a JSP and class just like in the example above. I just > > > changed my > > > select statement inside the class, that's all. > > > > > > 6. I have verified that my database is indeed running. > > > > > > 7. In my.ini (for MySQL), the port setting is NOT commented. The > > > bind-address IS > > > commented out. > > > > > > Thanks for any help! > > > Kevin > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]