Hi,
Below error is encountering while starting the java agents.
*ERROR* [FelixDispatchQueue] org.apache.felix.http.jetty FrameworkEvent ERROR (org.osgi.framework.BundleException: Activator start error in bundle org.apache.felix.http.jetty [40].) org.osgi.framework.BundleException: Activator start error in bundle org.apache.felix.http.jetty [40]. at org.apache.felix.framework.Felix.activateBundle(Felix.java:2277) at org.apache.felix.framework.Felix.startBundle(Felix.java:2145) at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1372) at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NoClassDefFoundError: com/dynatrace/diagnostics/agent/introspection/uem/ServletEndUserTaggingIntrospection at javax.servlet.GenericServlet.<clinit>(GenericServlet.java) at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.<init>(WhiteboardManager.java:134) at org.apache.felix.http.base.internal.HttpServiceController.<init>(HttpServiceController.java:55) at org.apache.felix.http.base.internal.AbstractHttpActivator.doStart(AbstractHttpActivator.java:33) at org.apache.felix.http.jetty.internal.JettyActivator.doStart(JettyActivator.java:41) at org.apache.felix.http.base.internal.AbstractActivator.start(AbstractActivator.java:42) at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697) at org.apache.felix.framework.Felix.activateBundle(Felix.java:2227) ... 4 common frames omitted Caused by: java.lang.ClassNotFoundException: com.dynatrace.diagnostics.agent.introspection.uem.ServletEndUserTaggingIntrospection not found by org.apache.felix.http.servlet-api [41]
Answer by Gary S. ·
Hi @Mayana K.,
There is a knowledge base article here if you could consult that for it mentions the exception you are seeing here. There is a provided solution but you will see the Apache Felix framework is not officially supported.
Gary
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Learn how Dynatrace Real User Monitoring automatically detects errors that impact your end users caused by erroneous 3rd party or CDNs.
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Learn how Dynatrace Real User Monitoring automatically detects errors that impact your end users caused by erroneous 3rd party or CDNs.
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