[jira] [Created] (MTOMCAT-298) Classloader linkage problem

["Ron Smits (JIRA)" <ji...@apache.org>]

Ron Smits created MTOMCAT-298:
---------------------------------

             Summary: Classloader linkage problem
                 Key: MTOMCAT-298
                 URL: https://issues.apache.org/jira/browse/MTOMCAT-298
             Project: Apache Tomcat Maven Plugin
          Issue Type: Bug
          Components: tomcat7
    Affects Versions: 2.2
            Reporter: Ron Smits
            Assignee: Olivier Lamy (*$^¨%`£)


We run 4 war's in a tomcat7:run environment.  All wars log using slf4j. In the production environment we have logback-classic and logback-core jar added to the $CATALINA_HOME/lib directory and the configuration in $CATALINA_HOME/conf/logback. This works.

When I do not add extra jars to mvn tomcat7:run environment there is no logging at all.

when I add the logback jars I get a linkage error:

{noformat}
Caused by: java.lang.LinkageError: loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance of org/apache/catalina/loader/WebappClassLoader) of the current class, 
org/slf4j/LoggerFactory, and the class loader (instance of org/codehaus/plexus/classworlds/realm/ClassRealm) for resolved class,
 org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory used in the signature
{noformat}
(linebreaks added for readability)





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