HTTP Status 500 – Internal Server Error


Type Exception Report

Message Servlet execution threw an exception

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: Servlet execution threw an exception
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
	org.apache.http.impl.client.CloseableHttpClient.<init>(CloseableHttpClient.java:58)
	org.apache.http.impl.client.AbstractHttpClient.<init>(AbstractHttpClient.java:287)
	org.apache.http.impl.client.DefaultHttpClient.<init>(DefaultHttpClient.java:147)
	com.apptivo.email.tracking.servlet.EmailTrackingService.enqueueEvent(EmailTrackingService.java:348)
	com.apptivo.email.tracking.servlet.EmailLinkRedirectServlet.doPost(EmailLinkRedirectServlet.java:59)
	com.apptivo.email.tracking.servlet.EmailLinkRedirectServlet.doGet(EmailLinkRedirectServlet.java:36)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.19