Lavoro su 3 computer. Su tutti e tre Ubuntu 10, con Eclipse e tomcat 6. Sui due fissi non ho problemi. Mentre sul portatile tomcato non parte, ne se lo faccio partire a mano, ne tramite Eclipse. Da Eclipse mi da uno stacktrace, ma non ci capisco molto:

codice:
23-lug-2011 20.11.48 org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/lib/jvm/java-6-openjdk/jre/lib/i386/server:/usr/lib/jvm/java-6-openjdk/jre/lib/i386:/usr/lib/jvm/java-6-openjdk/jre/../lib/i386:/usr/lib/jvm/java-6-openjdk/jre/lib/i386/client:/usr/lib/jvm/java-6-openjdk/jre/lib/i386:/usr/lib/xulrunner-1.9.2.18:/usr/lib/xulrunner-1.9.2.18:/usr/java/packages/lib/i386:/usr/lib/jni:/lib:/usr/lib
23-lug-2011 20.11.48 org.apache.tomcat.util.digester.SetPropertiesRule begin
AVVERTENZA: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:IT' did not find a matching property.
23-lug-2011 20.11.48 org.apache.catalina.core.JasperListener lifecycleEvent
AVVERTENZA: Couldn't initialize Jasper
java.lang.ExceptionInInitializerError
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at org.apache.catalina.core.JasperListener.lifecycleEvent(JasperListener.java:63)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
	at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:813)
	at org.apache.catalina.startup.Catalina.load(Catalina.java:538)
	at org.apache.catalina.startup.Catalina.load(Catalina.java:562)
	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.apache.catalina.startup.Bootstrap.load(Bootstrap.java:261)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.lang.SecurityException: sealing violation: package javax.servlet.jsp is sealed
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:244)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at org.apache.jasper.compiler.JspRuntimeContext.<clinit>(JspRuntimeContext.java:73)
	... 13 more
23-lug-2011 20.11.49 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
23-lug-2011 20.11.49 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2344 ms
23-lug-2011 20.11.49 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
23-lug-2011 20.11.49 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.32
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.NoSuchMethodError: javax.servlet.ServletContext.getContextPath()Ljava/lang/String;
	at org.apache.catalina.core.StandardHost$MemoryLeakTrackingListener.lifecycleEvent(StandardHost.java:616)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4699)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
	at org.apache.catalina.core.StandardService.start(StandardService.java:525)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
	... 6 more
Ho provato a pulire cartelle, reinstallare Tomcat...ma nulla.