AJ created MTOMCAT-202:
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             Summary: Cannot enable SSO for multiple contexts in embedded tomcat
                 Key: MTOMCAT-202
                 URL: https://issues.apache.org/jira/browse/MTOMCAT-202
             Project: Apache Tomcat Maven Plugin
          Issue Type: Bug
          Components: tomcat7
    Affects Versions: 2.0
            Reporter: AJ
            Assignee: Olivier Lamy (*$^¨%`£)


I am trying to enable SSO between two webapps being deployed in an embedded 
tomcat instance created using the tomcat7-maven-plugin.

### Github Repo/Zip and instructions to reproduce the problem

Please take a look at the 
[pom.xml|https://github.com/ajorpheus/sso-embedded-tomcat/blob/master/pom.xml] 
and the 
[server.xml|https://github.com/ajorpheus/sso-embedded-tomcat/blob/master/src/main/tomcatconf/server.xml].
 If you wish, you could also 
[clone|https://github.com/ajorpheus/sso-embedded-tomcat] the github repo or 
download the 
[zip|https://github.com/ajorpheus/sso-embedded-tomcat/archive/master.zip] 
(718kb). If you do so the instructions to reproduce the problem are in the 
[Readme|https://github.com/ajorpheus/sso-embedded-tomcat/blob/master/README.md].


### The problem

The embedded tomcat runs fine and the two webapps are deployed to the 
appropriate contexts as expected. However, SSO is never enabled even though the 
server.xml has the correct configuration. Well, I assume it is correct since 
the exact same server.xml works fine in a standalone Tomcat 7 instance.

My tinkering has indicated that the problem is related to how the server.xml 
ends up in the embedded tomcat instance. Initially, I was under the wrong 
impression that simply having the server.xml in src/main/tomcatconf was enough 
since it did get copied over the embedded tomcat ( in target/tomcat/conf). But 
it seems, unless you refer to the server.xml in the plugin configuration like 
so : 
{code}<serverXml>src/main/tomcatconf/server.xml</serverXml>{code}, it does not 
get honored and the config contained does not have any affect.

However, as soon as I uncomment that above, the <webapps> portion of the 
configuration is completely ignored and the webapps are never deployed.

There seem to no existing 
[bugs|https://issues.apache.org/jira/issues/?jql=%28text%20~%20sso%20OR%20text%20~%20%22single%20sign%20on%22%20OR%20text%20~%20%22server.xml%22%20OR%20text%20~%20serverXml%29%20AND%20project%20=%20MTOMCAT%20ORDER%20BY%20resolution%20ASC]
 and I am out of ideas. It would be great if you could share your experience 
and point me to what I might be missing.

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