HTTP Status 500 - Servlet.init() for servlet MprServletEncrypt threw exception

type Exception report

message Servlet.init() for servlet MprServletEncrypt threw exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet MprServletEncrypt threw exception
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:615)
	org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:652)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:891)
	org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:750)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2282)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	java.lang.Thread.run(Thread.java:745)

root cause

org.xeril.util.config.ConfigHelper$MissingConfigParameterException: required Object has not been defined
	org.xeril.util.config.ConfigHelper.getRequired(ConfigHelper.java:62)
	com.linkedin.offspring.servlet.InitHelper.getRequiredInitObj(InitHelper.java:161)
	com.linkedin.offspring.servlet.BaseServlet.getRequiredInitObj(BaseServlet.java:123)
	com.linkedin.mpr.gui.servlet.MprServlet.init(MprServlet.java:70)
	javax.servlet.GenericServlet.init(GenericServlet.java:212)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:615)
	org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:652)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:891)
	org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:750)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2282)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	java.lang.Thread.run(Thread.java:745)

note The full stack trace of the root cause is available in the Apache Tomcat logs.

Apache Tomcat