Lucas Bergman wrote at Dienstag, 30. Juni 2009 21:49: > Dennis Lundberg wrote: >> Lucas Bergman wrote: >> > Running this test with Maven 2.1.0 fails: >> > >> > java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory >> > [ ... ] >> > >> > The POM for htmlunit 2.5 declares commons-logging 1.1.1 as a >> > (compile-scope) dependency, so this seems wrong. There seems to >> > be some interaction between that POM and the dependent POMs. >> > Indeed: >> > >> > [ ... ] >> > >> > 2. Adding an exclusion of commons-logging to the >> > hibernate-ehcache dependency causes the test to succeed. I >> > tried this, because the hibernate-ehcache POM depends on >> > commons-logging version 99.0-does-not-exist, a rather famous >> > JBoss kludge[1]. >> > >> > [ ... ] >> > >> > Footnotes: >> > [1] >> > [http://day-to-day-stuff.blogspot.com/2007/10/announcement-version-99-does-not-exist.html >> >> That is your problem. What this does is mess the dependency-tree. It >> removes commons-logging from the dependency tree because that >> version "99.0-..." is larger than the latest current release of >> commons-logging. The "99.0-..." version should *never ever* reach >> end users. It can *only* be used by internal project. > > Thanks for the input. Are you saying that the dependency of the > hibernate-ehcache POM on commons-logging 99.0-does-not-exist is a bug?
It's an inappropriate solution for their problem with commons-logging. > I'm sympathetic to that view, but I just want to be sure. To be sure, > it seems foolish for the Hibernate developers to put something like > this in a library's POM, since it would seem to impose their kludge > on the programmer using the library. At least you should report this as a bug, since it actually breaks your build. They should get at least aware or if. > Of course, we fixed our particular problem by adding an <exclusion> > for commons-logging from our hibernate-ehcache dependency. You can declare commons-logging in a dependency management section. This version and scope will have precedence over any transitive dep. - Jörg --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@maven.apache.org For additional commands, e-mail: users-h...@maven.apache.org
