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How to ignore specific WEB-INF/lib jars
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created by <a href="https://community.jboss.org/people/sfcoy">Stephen Coy</a> in <i>JBoss Microcontainer</i> - <a href="https://community.jboss.org/message/649879#649879">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi there,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I've been rummaging around here for a few hours trying to figure this out.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We have a web application that has been developed as a "universal" WAR file. This means that the same WAR must deploy and run on the three application servers that we support, including JBoss 5.1.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This webapp contains both a log4j implementation and an slf4j implementation. This results in the following errors when the application is started:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">
2012-02-01 17:30:08,327 ERROR [STDERR] (HDScanner) log4j:ERROR A "org.jboss.logging.appender.FileAppender" object is not assignable to a "org.apache.log4j.Appender" variable.
2012-02-01 17:30:08,329 ERROR [STDERR] (HDScanner) log4j:ERROR The class "org.apache.log4j.Appender" was loaded by
2012-02-01 17:30:08,330 ERROR [STDERR] (HDScanner) log4j:ERROR [BaseClassLoader@447d0c6c{vfszip:/Users/steve/servers/jboss-eap-5.1.1/server/axelerator-platform/deploy/axelerator-platform-mr-web-12.1.1-SNAPSHOT.war/}] whereas object of type
2012-02-01 17:30:08,331 ERROR [STDERR] (HDScanner) log4j:ERROR "org.jboss.logging.appender.FileAppender" was loaded by [org.jboss.bootstrap.NoAnnotationURLClassLoader@7bd63e39].
2012-02-01 17:30:08,332 ERROR [STDERR] (HDScanner) log4j:ERROR Could not instantiate appender named "FILE".
2012-02-01 17:30:08,361 ERROR [STDERR] (HDScanner) SLF4J: Class path contains multiple SLF4J bindings.
2012-02-01 17:30:08,362 ERROR [STDERR] (HDScanner) SLF4J: Found binding in [vfszip:/Users/steve/servers/jboss-eap-5.1.1/common/lib/slf4j-jboss-logging.jar/org/slf4j/impl/StaticLoggerBinder.class]
2012-02-01 17:30:08,364 ERROR [STDERR] (HDScanner) SLF4J: Found binding in [vfszip:/Users/steve/servers/jboss-eap-5.1.1/server/axelerator-platform/deploy/axelerator-platform-mr-web-12.1.1-SNAPSHOT.war/WEB-INF/lib/slf4j-jdk14-1.5.8.jar/org/slf4j/impl/StaticLoggerBinder.class]
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We prefer to use the JBoss provided implementations of these as this simplifies logging configuration for administrators.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Therefore, I'd like to know if it's possible to filter out these two jars from the classloader so that they're effectively ignored in our JBoss deployment.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And if so, how do we go about it?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks</p></div>
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<p style="margin: 0;">Reply to this message by <a href="https://community.jboss.org/message/649879#649879">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in JBoss Microcontainer at <a href="https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2114">Community</a></p>
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