Hi there, I hope this to be useful to somebody.
I installed Tomcat 4.1.24 y MySql 3.23 en Linux Red Hat 8.0
Followed the steps within jakarta page:
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jndi-datasource-examples-how
to.html
in order to get connected to my database.
However, I found the next error: "Cannot load JDBC driver class 'null'."
After some troubleshooting, I finnaly got with two problem causes:
1. For some reason, Mysql's JDBC Driver tries to connect to
"localhost.localdomain". Which means, that when you specify into the
connection string (in my case) "jdbc:mysql://localhost:3306/DBPrueba" java
tries always to connect to "localhost.localdomain".
I solved this problem assigning permission to the Database in Mysql for my
test user, only that this time for different domain:
GRANT ALL PRIVILEGES ON DBPrueba.* TO
'administrator'@'localhost.localdomain' IDENTIFIED BY 'passwd';
2. Tha Database version I'm using doesn't recognize the default parameter
used by <Resource> within server.xml, to setup JDBC driver manager. Which
for I had to modifify the next lines:
<parameter>
<name>driverClassName</name>
<value>org.gjt.mm.mysql.Driver</value>
</parameter>
for these ones:
<parameter>
<name>driverName</name>
<value>org.gjt.mm.mysql.Driver</value>
</parameter>
The steps I made here are an adition over the manual found in Tomcat web
page. For further reference, please follow th link shown in this mail.
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