Filip Hanik - Dev Lists escribĂ­o:
> $CATALINA_HOME/lib

Doesn't that defeat the CATALINA_BASE setup for multiple instances of tomcat?

> 
> Brian Millett wrote:
>> Hello, I've setup my tomcat 6.0.13 with the CATALINA_HOME=/opt/tomcat and
>> CATALINA_BASE=/opt/webBaseDir on a FC6 system.
>>
>> I read in http://tomcat.apache.org/tomcat-6.0-doc/class-loader-howto.html
>> "Common - This class loader contains additional classes that are made
>> visible to
>> both Tomcat internal classes and to all web applications. Normally,
>> application
>> classes should NOT  be placed here. All unpacked classes and resources in
>> $CATALINA_HOME/lib, as well as classes and resources in JAR files are
>> made
>> visible through this class loader."
>>
>> and in http://tomcat.apache.org/tomcat-6.0-doc/config/loader.html
>> "The description below uses the variable name $CATALINA_HOME to refer
>> to the
>> directory into which you have installed Tomcat 6, and is the base
>> directory
>> against which most relative paths are resolved. However, if you have
>> configured
>> Tomcat 6 for multiple instances by setting a CATALINA_BASE directory,
>> you should
>> use $CATALINA_BASE instead of $CATALINA_HOME for each of these
>> references."
>>
>> and in conf/catalina.properties
>> "# List of comma-separated paths defining the contents of the "common"
>> # classloader. Prefixes should be used to define what is the
>> repository type.
>> # Path may be relative to the CATALINA_HOME or CATALINA_BASE path or
>> absolute.
>> # If left as blank,the JVM system loader will be used as Catalina's
>> "common"
>> # loader.
>> # Examples:
>> #     "foo": Add this folder as a class repository
>> #     "foo/*.jar": Add all the JARs of the specified folder as class
>> #                  repositories
>> #     "foo/bar.jar": Add bar.jar as a class repository
>> common.loader=${catalina.home}/lib,${catalina.home}/lib/*.jar"
>>
>> and also in org/apache/catalina/startup/Bootstrap.java
>> "            while ((i=repository.indexOf(CATALINA_HOME_TOKEN))>=0) {
>>                 replace=true;
>>                 if (i>0) {
>>                 repository = repository.substring(0,i) +
>> getCatalinaHome()
>>                     +
>> repository.substring(i+CATALINA_HOME_TOKEN.length());
>>                 } else {
>>                     repository = getCatalinaHome()
>>                         +
>> repository.substring(CATALINA_HOME_TOKEN.length());
>>                 }
>>             }
>>             while ((i=repository.indexOf(CATALINA_BASE_TOKEN))>=0) {
>>                 replace=true;
>>                 if (i>0) {
>>                 repository = repository.substring(0,i) +
>> getCatalinaBase()
>>                     +
>> repository.substring(i+CATALINA_BASE_TOKEN.length());
>>                 } else {
>>                     repository = getCatalinaBase()
>>                         +
>> repository.substring(CATALINA_BASE_TOKEN.length());
>>                 }
>>             }"
>>
>> And finally in the RUNNING.txt file
>> "In many circumstances, it is desirable to have a single copy of a Tomcat
>> binary distribution shared among multiple users on the same server. 
>> To make
>> this possible, you can pass a "-Dcatalina.base=$CATALINA_BASE"
>> argument when
>> executing the startup command (see (2)). In this
>> "-Dcatalina.base=$CATALINA_BASE" argument, replace $CATALINA_BASE with
>> the
>> directory that contains the files for your 'personal' Tomcat instance."
>>
>>
>> The behavior I've seen is that on startup, the jar files in
>> CATALINA_HOME/lib
>> are loaded before CATALINA_BASE/lib.  Is that correct?
>>
>> I've seen that I must have the distributed jar files in
>> CATALINA_HOME/lib, but
>> for my "personal" tomcat, I have to put the jar files in
>> CATALINA_BASE/lib.
>>
>> Are the documentation pages for all of the class loading inconsistant?
>>
>> Do I need to add to the catalina.properties file
>> "common.loader=${catalina.home}/lib,${catalina.home}/lib/*.jar,${catalina.base}/lib,${catalina.base}/lib/*.jar"
>>
>> ?
>>
>> What is the correct place for the "Common" jars to get loaded with a
>> multiple
>> tomcat instances?
>>
>> I'm a little confused.
>>
>> Thanks.
>>   
> 
> 
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> 


-- 
Brian Millett - [ Ivanova and Garibaldi, "Survivors"]
"What, does something about this surprise you, Mr. Garibaldi?"
'*Nothing* the government does surprises me.'
"That's a very Russian attitude. I commend you."

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