Please ignore my question. Seems like someone decided to try out a "Special" classloader - didn't have the information before.
Thanks for responding anyway. Regards, On Wed, 29 Aug 2018 at 20:20, M. Manna <manme...@gmail.com> wrote: > Thanks mark. We aren’t using delegation, but even with delegation classes > directory are looked up first in the order. > > Tomcat version 8.5.32. > > Thanks, > > On Wed, 29 Aug 2018 at 19:31, Mark Thomas <ma...@apache.org> wrote: > >> On 29/08/18 19:09, M. Manna wrote: >> > Hello, >> > >> > I am not sure if this is a bug or something specific to our >> implementation, >> > so wanted to share that with others. Please forgive my idiocy. >> > >> > We took a verbose classloading on Windows and it loaded two classes from >> > two different locations. >> > >> > 1) *SomeUtils*.class from *com.my.package.name < >> http://com.my.package.name>* >> > - placed in WEB-INF/classes >> > 2) *SomeOtherUtils*.class from *com.my.package.name >> > <http://com.my.package.name>* - placed in myjar.jar in WEB-INF/lib >> > >> > In Windows, we can load the SomeUtils.class from the "classes" directory >> > (correct) and SomeOtherUtils.class from jar (in lib directory, also >> > correct). The class *SomeUtils *exist in *both **lib *and *classes*. >> but as >> > per documentation, webapp loader will load things from classes dir >> first, >> > and then lib. And it won't load the same class from *lib *if found in >> *classes >> > *first. And it also honours the contract "Child loader must not load >> same >> > class loaded by parent". So identical package name isn't a problem. >> > >> > When we deployed in Linux, it didn't quite happen. We saw that "lib" was >> > always looked up first. We understand that SomeUtils.class duplicated in >> > both lib and classes is not a "Good" practice. But what we don't >> understand >> > is why webapp classloader isn't searching classes directory and finding >> it >> > first? Is there something fundamentally different when it comes to Linux >> > e.g. ordering/searching which is out of tomcat's control? >> > >> > We don't have the verbose log from Linux yet, but meanwhile any info is >> > helpful. >> >> Tomcat version? >> >> WEB-INF/classes should always be searched before WEB-INF/lib by default >> but there are ways to configure the resources implementation to modify >> the search order. >> >> Mark >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >>
