Hi Kalpa, > Am 09.05.2016 um 19:31 schrieb Christopher Schultz > <ch...@christopherschultz.net>: > > Signierter PGP-Teil > Kalpa, > > On 5/9/16 6:26 AM, Kalpa Welivitigoda wrote: > > Hi, > > > > I am using tomcat 8.0.28. I am using a custom valve which has a > > dependency for slf4j (slf4j jar in in tomcat/lib). I also has a set > > of webapps which uses different versions of slf4j (those > > dependencies are in the WEB-INF/lib of those webapps). Due to the > > different versions in tomcat/lib and webapps, I am getting errors > > such as NoSuchMethodError. > > > > Is it possible to restrict some classes being loaded for webapps? I > > am trying to see whether it is possible to load the slf4j classes > > required for the webapps from the slf4j jar in WEB-INF/lib only and > > not from the jar in tomcat/lib. > > > > Or is there any other recommended way to address this kind of > > problems? > > Ideally, there should be no problem, here: the web application should > be using its own classes from WEB-INF/lib and Tomcat should be using > its own separate classes for its internal operations (including > running Valves). > > Do you have a stack trace of the NSME? I wonder if there's a place in > Tomcat where the context ClassLoader isn't being correctly-set. > > -chris > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org >
Did you install slf4j.jar in $java_home/lib/ext folder? those libraries are in the class path before all other user libraries. you are able to determine from where will/has been is loaded.
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