Hello Tomcat users.
I have been a happy Tomcat user since Tomcat 4.x, this will be my first
post in a long time.
We updated from Tomcat 6.x to Tomcat 7.0.4 a few months ago. This
worked just fine.
When I updated to Tomcat 7.0.20 last week, I discovered that our JSP
pages aren't being executed , rather the server sends back our JSP code
to the user. That is not really the desired effect.
After some testing, I discovered that this problem was first introduced
with Tomcat 7.0.16. Everything works fine in Tomcat 7.0.14. There is
no error being logged by Tomcat.
Our Application is programmed, built and compiled in Netbeans. It is
distributed via a WAR file.
The only "special" parts of our web.xml relating to JSP, are that we
execute jnlp files using the JSP engine (we have dynamic java web start
files).
/<servlet-mapping>
<servlet-name>jsp</servlet-name>
<url-pattern>*.jnlp</url-pattern>
</servlet-mapping>/
There is no error message.
I can see the hits in the localhost_access_log
In the root directory, the index.jsp is executing correctly!
Actually I managed to solve the problem by adding a servlet mapping for jsp.
/
<servlet-mapping>
<servlet-name>jsp</servlet-name>
<url-pattern>*.jnlp</url-pattern>
</servlet-mapping>/
/<servlet-mapping>
<servlet-name>jsp</servlet-name>
<url-pattern>*.jsp</url-pattern>
</servlet-mapping>
/Interestingly this problem doesn't occur, when both of these sevlet
mappings are deleted.
It seems that Tomcat up to 7.0.16 always had a default mapping for *.jsp
and that from Tomcat 7.0.16 this default mapping only exists, if there
are no other jsp mappings.
In my case I need both mappings, to ensure that both *.jsp and *.jnlp
files are executed as jsp.
I haven't tried to find the code that changed, it doesn't really bother
me having one more mapping in my web.xml#
So maybe this will help some other Tomcat user.
Martin
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