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Mark,
On 8/13/19 04:43, Mark Thomas wrote:
> On 12/08/2019 23:18, W wrote:
>> Hi, I would like to find the war file name (for example,
>> ROOT##2019-08-12-10-44.war) inside
>> ServletContextListener.contextInitialized() and
>> ServletContextListener.contextDestroyed(). So I can send email to
>> admins warn them which app is up and down. Is there a way to do
>> it?
>
> It isn't guaranteed to work in all circumstances but try:
>
> ServletContext.getRealPath("/")
>
> If that doesn't work then - assuming you can use reflection -
> something along these lines:
>
> Obtain the ServletConext. Cast it to
> org.apache.catalina.core.ApplicationContext
>
> Use reflection to read the context field or call getContext() which
> will return a StandardContext instance.
>
> Then you have various options: - call getDocbase() - call getPath()
> and getWebappVersion()
>
> and there are probably plenty of other similar approaches that
> would work.
It seems like this might be an opportunity to add some information to
the context as a convenience for the application. I'm not sure it's
really relevant to the application what it's "host file/directory" is,
but it would be easy to add something like a context attribute
"org.apache.tomcat.context.source" which is of type java.io.File and
is either a directory or a WAR file.
- -chris
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