2014-02-14 18:13 GMT+04:00 JB MORLA <jbmo...@gmail.com>: > Maybe you added a .jar file to the build path and there is a conflict with > the jars already present in Eclipse and Tomcat. > My solution was to remove the jars.
+1. > On Thu, Feb 13, 2014 at 10:27 PM, Dave Kennedy <davek1...@gmail.com> wrote: > >> Env: >> Windows 7 >> Java: jdk1.7.0_51 >> STS 3.4.0.RELEASE (Based on Eclipse 4.3.1) >> Tomcat: apache-tomcat-7.0.50 >> >> >> INFO: Starting Servlet Engine: Apache Tomcat/7.0.50 >> Feb 13, 2014 1:17:22 PM org.apache.catalina.core.ContainerBase >> startInternal >> SEVERE: A child container failed during start >> java.util.concurrent.ExecutionException: >> java.lang.ExceptionInInitializerError >> at java.util.concurrent.FutureTask.report(FutureTask.java:122) >> at java.util.concurrent.FutureTask.get(FutureTask.java:188) >> at >> >> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123) >> at >> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:801) >> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) >> at >> >> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) >> at >> >> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) >> at java.util.concurrent.FutureTask.run(FutureTask.java:262) >> at >> >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:744) >> Caused by: java.lang.ExceptionInInitializerError >> at >> >> org.apache.catalina.startup.ContextConfig.createWebXmlDigester(ContextConfig.java:522) >> at >> org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:843) A NPE there in 7.0.50 happens when one of {servlet-api.jar, jsp-api.jar} files is not found (as has been discussed previously on this mailing list). You may want to try 7.0.52 that is currently being voted on dev@. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org