Thank you. I will make sure there is only one in the lib directory. -Joleen
On Fri, Mar 4, 2016 at 9:54 AM, Chris Gamache <cgama...@gmail.com> wrote: > Hi Joleen, > > You may already know most of this, but just in case: > > Inside or outside of tomcat, if you have two classes in the same classpath, > both with the same class name and package name, it's often hit-or-miss > which one will get picked. Weird things happen. And different weird things > happen with different flavours of JVM or the same JVM make on different > platforms. > > Evaluate your dependencies and eliminate the duplicates. This is often > wickedly difficult to do manually. There are several different dependency > management tools you can use-- Maven is my choice, but there are others > like Ivy and Gradle. Sometimes they build and manage dependencies. Other > times they just manage dependencies. > > If you need to have multiple versions of the same class inside your JVM, > rolling them up using OSGi is a (very complicated but effective, IMO) way > to handle that. > > hope this helps! > > CG > > > On Fri, Mar 4, 2016 at 9:05 AM, Joleen Barker <oldenuf2no...@gmail.com> > wrote: > > > I saw there is log4j-1.2.8-1.jar and log4j-1.2.17.jar in the WEB-INF/lib > > directory for a web application and I wonder what happens if there are > two > > in the same library. > > > > Thank you, > > > > -Joleen > > >
