2012/3/16 Johannes Ernst <jer...@netmesh.us>: > I've implemented my own org.apache.catalina.loader.WebappLoader. It consults > a bunch of JARs held in the file system outside of the WAR. > > One of those outside JARs contains a custom JSP tag. > > When attempting to compile the JSP, Jasper fails to find it. I'm getting this: > javax.servlet.ServletException: org.apache.jasper.JasperException: Unable to > compile class for JSP: > > An error occurred at line: 13 in the jsp file: /foobar.jsp > com.example.MyCustomTag cannot be resolved to a type
> My guess is that I somehow need to tell Jasper that it should use my custom > WebappLoader when looking for custom tags. You cannot. Jasper is independent from Catalina. Moreover Jasper has to pass a classpath to an external Java compiler (ecj or javac). The classpath is constructed and passed to Jasper as String. > How would I do that? A few hours worth of poking around in the source code > hasn't helped … > > This is Tomcat 6.0.28 but any answer for any version is appreciated. > Have you looked at VirtualWebappLoader class? I would think it already does what you are trying to do. I think there were also several fixes to WebappClassLoader in versions later than your 6.0.28. Best regards, Konstantin Kolinko --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
