In your pom.xml find the <dependency> for javax.servlet:servlet-api and add <scope>provided</scope>
2010/7/19 Mansour Al Akeel <[email protected]> > Martin, > thank you. But I don't have servlet.jar in the lib folder. There's no > lib folder, since I am using maven archetype. > If I have to exclude it from POM.XML then how ? > tomcat plugin depends on it ! > > can you please kindly give me more details ? > > On Sun, Jul 18, 2010 at 11:16 AM, Martin Grigorov > <[email protected]> wrote: > > Remove servlet.jar from yourApplication.war#WEB-INF/lib/ folder > > > > > > 2010/7/18 Mansour Al Akeel <[email protected]> > > > >> Hello all: > >> I am trying to run tomcat from maven and including openEJB. The > >> command I am using to run tomcat: > >> > >> mvn tomcat:run > >> > >> The error I am getting : > >> > >> Jul 18, 2010 6:53:29 AM org.apache.catalina.startup.Embedded start > >> INFO: Starting tomcat server > >> Jul 18, 2010 6:53:29 AM org.apache.catalina.core.StandardEngine start > >> INFO: Starting Servlet Engine: Apache Tomcat/6.0.26 > >> Jul 18, 2010 6:53:30 AM org.apache.catalina.core.StandardContext > >> filterStart > >> SEVERE: Exception starting filter wicket.site > >> java.lang.ClassCastException: > >> org.apache.wicket.protocol.http.WicketFilter cannot be cast to > >> javax.servlet.Filter > >> at > >> > org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275) > >> at > >> > org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) > >> at > >> > org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115) > >> at > >> > org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3838) > >> at > >> > org.apache.catalina.core.StandardContext.start(StandardContext.java:4488) > >> at > >> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) > >> at > >> org.apache.catalina.core.StandardHost.start(StandardHost.java:785) > >> at > >> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) > >> at > >> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) > >> at org.apache.catalina.startup.Embedded.start(Embedded.java:825) > >> at > >> > org.codehaus.mojo.tomcat.AbstractRunMojo.startContainer(AbstractRunMojo.java:533) > >> at > >> > org.codehaus.mojo.tomcat.AbstractRunMojo.execute(AbstractRunMojo.java:239) > >> at > >> > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) > >> at > >> > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) > >> at > >> > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569) > >> at > >> > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539) > >> at > >> > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) > >> at > >> > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348) > >> at > >> > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) > >> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) > >> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) > >> at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) > >> at > >> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) > >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > >> at > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:616) > >> at > >> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) > >> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) > >> at > >> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) > >> at org.codehaus.classworlds.Launcher.main(Launcher.java:375) > >> Jul 18, 2010 6:53:30 AM org.apache.catalina.core.StandardContext start > >> SEVERE: Error filterStart > >> > >> So I created a webapp project from maven archetype, and added openEjb > >> dependency: > >> > >> <dependency> > >> <groupId>org.apache.openejb</groupId> > >> <artifactId>openejb-core</artifactId> > >> <version>3.1.2</version> > >> </dependency> > >> > >> The error I am getting now is: > >> > >> Jul 18, 2010 7:02:37 AM org.apache.catalina.core.StandardWrapperValve > >> invoke > >> SEVERE: Servlet.service() for servlet jsp threw exception > >> java.lang.LinkageError: loader constraint violation: loader (instance > >> of org/apache/jasper/servlet/JasperLoader) previously initiated > >> loading for a different type with name > >> "javax/servlet/http/HttpServletRequest" > >> at java.lang.Class.getDeclaredMethods0(Native Method) > >> at java.lang.Class.privateGetDeclaredMethods(Class.java:2444) > >> at java.lang.Class.getDeclaredMethods(Class.java:1808) > >> at > >> > org.apache.catalina.util.DefaultAnnotationProcessor.processAnnotations(DefaultAnnotationProcessor.java:226) > >> at > >> > org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:148) > >> at > >> > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329) > >> at > >> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) > >> at > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) > >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > >> at > >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) > >> at > >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > >> at > >> > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) > >> at > >> > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > >> at > >> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > >> at > >> > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > >> at > >> > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > >> at > >> > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) > >> at > >> > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) > >> at > >> > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) > >> at > >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > >> at java.lang.Thread.run(Thread.java:636) > >> > >> Any advice ? > >> Thank you. > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [email protected] > >> For additional commands, e-mail: [email protected] > >> > >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
