Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by Tomasz
, 1 year ago
Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/start]]
via Google Groups by Usman, 9 months ago
via Google Groups by Toni McWild, 1 year ago
Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/cas]]
via Stack Overflow by phani
, 9 months ago
Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/C:Hi_GreetsHi_Greets]]
via GitHub by megollum
, 1 year ago
Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/openMAXIMS]]
via Stack Overflow by Dmitry
, 1 year ago
Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/YaPokupay]]
java.lang.NullPointerException: 	at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:304)	at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:162)	at org.apache.catalina.startup.ContextConfig.processJarsForWebFragments(ContextConfig.java:1890)	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1128)	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:780)	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:305)	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:95)	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5154)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)	at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1293)	at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:666)	at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:217)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:136)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)	at java.lang.Thread.run(Thread.java:745)