Thx, I filed a bug ->
http://issues.apache.org/bugzilla/show_bug.cgi?id=41182
I also adapted my local tomcat source in JspRuntimeContext:335 to always
add the classpath from the servlet init param to the classpath provided
by the container (the WebappClassloader classpath) just to see whether I
could achieve the intended behavior for my needs.
Now the JSP translates and compiles, but when JspServlet then
instantiates the servlet and delegates to the servlet's service method a
ClassNotFoundException is thrown for my test class (that is used in the
JSP and resides in the additional classpath location). This seems
reasonable since the thread runs with the WebappClassloader which knows
nothing of the additional classpath location.
I wonder whether the classpath init param of JspServlet is the way to go
to achieve my goals. Since I use only one servlet as application
dispatcher that will handle the class loading for controllers and middle
tier, the idea is to override the JspServlet mapping in my web.xml and
patch the classpath there. I know that this is tomcat specific and not
the cleanest way to go, but I don't want to replace the
WebappClassloader completely since this is probably a lot more work and
touches more of tomcat's internals.
I would appreciate your feedback whether this is complete nonsense or
could somehow work.
werner
Mark Thomas wrote:
werner loibl wrote:
Mark,
thanks for looking into this! I changed the classpath param according to
your suggestion but still it's not working.
Are you sure the source considers the classpath property in a typical
web setup? In JspRuntimeContext on line 335 the code says:
Having looked at the source again, you are right. I need to spend some
more time looking into the change history to understand why things are
the way they are. This might be a documentation problem rather than a
code bug but either way something needs to be changed so raise a bug
report and I'll look into it.
Thanks,
Mark
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