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2021-04-28 16:05:29,733 [CM Configuration Updater (ManagedServiceFactory Update: factoryPid=[org.apache.sling.commons.log.LogManager.factory.config])] DEBUG co.elastic.apm.agent.mdc.MdcActivationListener - Class loader sun.misc.Launcher$AppClassLoader@18b4aac2 cannot load slf4j API
java.lang.ClassNotFoundException: org.slf4j.MDC
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_282]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_282]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) ~[?:1.8.0_282]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_282]
at co.elastic.apm.agent.mdc.MdcActivationListener$1.get(MdcActivationListener.java:66) [?:?]
at co.elastic.apm.agent.mdc.MdcActivationListener$1.get(MdcActivationListener.java:60) [?:?]
at co.elastic.apm.agent.cache.WeakKeySoftValueLoadingCache$CacheValue.<init>(WeakKeySoftValueLoadingCache.java:125) [?:?]
at co.elastic.apm.ag
package com.example
import co.elastic.apm.api.ElasticApm;
import org.apache.felix.scr.annotations.sling.SlingFilter;
import org.apache.felix.scr.annotations.sling.SlingFilterScope;
import org.apache.sling.api.SlingHttpServletRequest;
import org.slf4j.MDC;
import javax.servlet.*;
import java.io.IOException;