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company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million tomcat 500 error custom programmers, just like you, helping each other. Join them; it only takes a minute: Sign up HTTP Status 500 - Failed to load application class error in eclipse up vote 0 down vote favorite I am creating vaadin 6 application using eclipse Kepler. Tomcat Server is main page running (localhost:8080). But when, I run an application, I get HTTP Status 500 - Failed to load application class error. type Exception report message Failed to load application class: com.example.secondone.SecondoneApplication description The server encountered an internal error that prevented it from fulfilling this request. exception javax.servlet.ServletException: Failed to load application class: com.example.secondone.SecondoneApplication com.vaadin.terminal.gwt.server.ApplicationServlet.init(ApplicationServlet.java:71) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolE
This tomcat error 400 Site Careers Other all forums Forum: Tomcat HTTP status 500 http://stackoverflow.com/questions/24066419/http-status-500-failed-to-load-application-class-error-in-eclipse Abhinav Kumar Mishra Greenhorn Posts: 6 posted 5 years ago when i click submit button on form.html page it gives https://coderanch.com/t/546707/Tomcat/HTTP-status following error. HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Error allocating a servlet instance org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) java.lang.Thread.run(Unknown Source) root cause java.lang.NoClassDefFoundError: com/example/web/BeerSelect (wrong name: BeerSelect) java.lang.ClassLoader.defineClass1(Native Method) java.lang.ClassLoader.defineClass(Unknown Source) java.security.SecureClassLoader.defineClass(Unknown Source) org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1960) org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:933) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1405) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1284) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.jav
This https://coderanch.com/t/527073/Tomcat/HTTP-Status Site Careers Other all forums Forum: Tomcat HTTP Status 500 - Tom Nishan Greenhorn Posts: https://www.daniweb.com/programming/web-development/threads/164404/java-tomcat-http-status-500-error-help 7 posted 5 years ago Hello everyone! I got this error when I was running form.html. 500 error My URL is http://localhost:8080/Beer-v1/form.html My html file: