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https://issues.apache.org/jira/browse/BIGTOP-417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219365#comment-13219365
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Roman Shaposhnik commented on BIGTOP-417:
-----------------------------------------

After spending some time reviewing the versions and availability of Tomcat for 
the platforms we have to support I'm leaning towards a solution of making 
tomcat be part of the Bigtop distribution itself. That will help us get around 
a sad state of affairs on platforms like CentOS 5 (where only Tomcat 5 is 
available, and Oozie/HTTPFS need at least 6) and also give a greater control 
over the versioning of Tomcat in general (we can keep it uniform across all the 
distros). 

Of course, we will not be a producing a general-purpose Tomcat packaging 
solution here. Think of it as an "embedded Tomcat" or as a Bigtop Container 
Platform (BCP). The proposed package name will be bigtop-tomcat and the 
location of files will be /usr/lib/bigtop-tomcat. No init.d scripts or /usr/bin 
scripts will be provided since the entry point will remain via the init.d 
scripts of individual components (e.g. /etc/init.d/{oozie,httpfs}).

Thoughts?
                
> webapps shipped by bigtop components should be using a system-provided Tomcat
> -----------------------------------------------------------------------------
>
>                 Key: BIGTOP-417
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-417
>             Project: Bigtop
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 0.2.0, 0.4.0
>            Reporter: Roman Shaposhnik
>            Assignee: Roman Shaposhnik
>             Fix For: 0.3.0, 0.4.0
>
>
> We now have at least 2 different components that squirrel away private copies 
> of Tomcat (Oozie and HTTPFS). The right approach is to setup different 
> instances of the system Tomcat via CATALINA_BASE (still pointing at a common, 
> system-wide CATALINA_HOME). More on how it works here:
>     http://tomcat.apache.org/tomcat-6.0-doc/class-loader-howto.html
>     http://willcode4beer.com/ware.jsp?set=tomcat_config

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