HTTP Status 500 – Internal Server Error


Type Exception Report

Message Error instantiating servlet class [com.bcp.servlet.luntan.BBSShow]

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

Exception

javax.servlet.ServletException: Error instantiating servlet class [com.bcp.servlet.luntan.BBSShow]
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:679)
	org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:320)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:533)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:932)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1694)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:745)

Root Cause

java.lang.ClassNotFoundException: com.bcp.servlet.luntan.BBSShow
	org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1420)
	org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1228)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:679)
	org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:320)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:533)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:932)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1694)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:745)

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


Apache Tomcat