I'm attempting to get Blojsom 3.2 talking to my Oracle database (this is
completely setup fine, the problem appears to be a classloader issue of
some sort) in Tomcat 6 (6.0.16 to be precise).
I'm using a split CATALINA_BASE and CATALINA_HOME installation
(CATALINA_HOME isn't writable by the user that I'm running as), and have
put ojdbc14.jar and orai18n.jar in my $CATALINA_BASE/lib directory.
Furthermore, following suggestions about RUNNING.txt not being correct,
I've put the following line in my
$CATALINA_BASE/conf/catalina.properties file:
common.loader=${catalina.home}/lib,${catalina.home}/lib/*.jar,${catalina
.base}/lib,${catalina.base}/lib/*.jar
This is replacing the existing definition of common.loader.
Here's what I've tried:
- Putting the .jar files nowhere (not in CATALINA_HOME, CATALINA_BASE,
or my webapp itself)
- Results in a ClassNotFoundException loading
oracle.jdbc.OracleDriver
- Putting the .jar files ANYwhere (in order of attempts, webapp's
WEB-INF/lib, CATALINA_BASE/lib, CATALINA_HOME/lib)
- Results in the following statement occurring in the logs:
Cannot create JDBC driver of class 'oracle.jdbc.OracleDriver' for
connect URL 'jdbc:oracle:thin@//fodevdbsx1.london:1521/fodev3.london'
This indicates to me that the Oracle driver is being loaded, but it's
being stopped from actually creating the instance for some reason.
The complication here is that Blojsom DOES NOT use, by default, JNDI
resources. Rather, it sets up its own DBCP DataSource in its
Spring+Hibernate configuration, which is what's failing here. This is
NOT a <Resource> problem. Just to make sure, when I removed the DBCP
implementation in blojsom, it failed, because it couldn't find the
catalina copies.
I can try to figure out a workaround for this, but I've spent about 6
hours on it thus far, and no matter what combination of property
changes, I can't figure out what precisely is stopping it from loading.
Has anybody experienced anything like this in the past either with
Blojsom or some other application which isn't using JNDI resources for
database connections using Tomcat 6?
I'm a relative newbie to Tomcat 6, but I've used Tomcat 4-5.5
extensively in the past.
Thanks a lot,
Kirk Wylie
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