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Josh,
On 7/16/15 8:58 AM, Baird, Josh wrote:
> Yes, I suspect this is due to RHEL's re-package.
>
> $CATALINA_HOME = /usr/share/tomcat6 $CATALINA_BASE =
> /srv/tomcat/myapp
>
> $CATALINA_HOME/conf/catalina.properties does exist and contains
> the proper common.loader line.
Is /etc/tomcat6 a symlink to /usr/share/tomcat6? Or is
/etc/tomcat6/catalina.properties a symlink to
/usr/share/tomcat6/config/catalina.properties?
> However, unless I manually copy
> $CATALINA_HOME/conf/catalina.properties into $CATALINA_BASE/conf,
> classes are not being loaded from $CATALINA_BASE/lib, presumably
> because common.loader is incorrect due to the lack of
> $CATALINA_BASE/conf/catalina.properties.
Hmm... I've never used CATALINA_BASE/conf/catalina.properties, so I
always assumed that CATALINA_HOME/conf/catalina.properties would be
used as a fall-back, but that's not the case. (I've been using Tomcat
for a long time and even I never noticed this behavior.)
Looking at the Tomcat 6 source code (and in Tomcat 8, so nothing has
changed for a while), the CatalinaProperties class loads its
properties from CATALINA_BASE and, failing that, uses the ClassLoader
to load org/apache/catalina/startup/catalina.properties from wherever
it might be in the class path. That turns out to be inside of
catalina.jar, so maybe whatever is on the filesystem isn't doing
anything at all for you (unless you copy the file into
CATALINA_BASE/conf, of course).
> I verified this by sticking "common.loader: <%=
> System.getProperty("common.loader") %>" in a test JSP page and
> invoking it with and without catalina.properties in
> $CATALINA_BASE/conf.
>
> I have a ticket open with RHEL and they will hopefully be able to
> tell me the expected behavior here, since it obviously differs from
> a 'stock' Tomcat6 installation.
I'd be surprised if RHEL is changing the packaging of Tomcat's JAR
files -- meaning modifying the stock catalina.properties that's in
catalina.jar -- but it's certainly possible.
Check to see what's in there; it will probably shed some light.
- -chris
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