ActionBean names from different applications conflict with each other.
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Key: STS-747
URL: http://www.stripesframework.org/jira/browse/STS-747
Project: Stripes
Issue Type: Bug
Components: ActionBean Dispatching
Affects Versions: Release 1.5.3
Environment: Tomcat 5.5, Stripes deployed as shared library.
Reporter: Aleksander Zarczynski
I have two applications deployed on the Tomcat server, with Stripes deployed as
a shared library. Both contain ActionBeans with the same names. The name
patterns are following:
net.company.app1.action.SomeActionBean
net.company.app2.action.SomeActionBean
The applications are deployed in different contexts: app1 and app2. So, the
beans are accessible under following urls (relative to server root):
/app1/Some.action
/app2/Some.action
The problem is that only one of the ActionBeans are accessible at the same
time. If app2 is deployed latter, its ActionBean is resolved correctly, but any
request to /app1/Some.action is resolved also to /app2/Some.action. Analogical
problem occurs when app1 is deployed after app2.
I found following comment in the UrlBindingFactory.addBinding() method:
"Search for a class that has already been added with the same name as the class
being added now. If one is found then remove its information first and then
proceed with adding it. I know this is not technically correct because two
classes from two different class loaders can have the same name, but this
feature is valuable for extensions that reload classes and I consider it highly
unlikely to be a problem in practice."
I'm not familiar with the code enough to be sure that this design decision is a
reason of the problem (however, the Tomcat uses different class loader for each
application). But if so, it's also quite big limitation imposed on applications
internal architecture. Maybe the context path could be also taken into account
in internal structures of the dispatcher?
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