Olá,
só mudei o eclipse helios para 64 bits e começou a dar esse erro.
03/04/2011 08:27:23 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: C:\Program Files\Java\jdk1.6.0_25\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jdk1.6.0_25/jre/bin/server;C:/Program Files/Java/jdk1.6.0_25/jre/bin;C:/Program Files/Java/jdk1.6.0_25/jre/lib/amd64;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\WIDCOMM\Bluetooth Software\;C:\Program Files\WIDCOMM\Bluetooth Software\syswow64;C:\Program Files\Java\jdk1.6.0_25\bin;.;C:\Program Files\MySQL\MySQL Server 5.5\bin;C:\apache-maven-2.2.1;C:\Program Files (x86)\Windows Live\Shared;C:\apache-maven-2.2.1\bin;C:\eclipse-galileo;
03/04/2011 08:27:24 org.apache.tomcat.util.digester.SetPropertiesRule begin
AVISO: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:avalia' did not find a matching property.
03/04/2011 08:27:24 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
03/04/2011 08:27:24 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2212 ms
03/04/2011 08:27:24 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
03/04/2011 08:27:24 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.26
03/04/2011 08:27:26 org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(C:\workspace-projeto-final\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\avalia\WEB-INF\lib\servlet-api-2.5.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
03/04/2011 08:27:29 com.sun.faces.config.ConfigureListener contextInitialized
INFO: Initializing Mojarra (1.2_08-b06-FCS) for context '/avalia'
03/04/2011 08:27:34 com.sun.faces.config.ConfigureListener installExpressionFactory
GRAVE: Unable to instantiate ExpressionFactory 'com.sun.el.ExpressionFactoryImpl'
03/04/2011 08:27:34 org.apache.catalina.core.StandardContext listenerStart
GRAVE: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener
com.sun.faces.config.ConfigurationException: It appears the JSP version of the container is older than 2.1 and unable to locate the EL RI expression factory, com.sun.el.ExpressionFactoryImpl. If not using JSP or the EL RI, make sure the context initialization parameter, com.sun.faces.expressionFactory, is properly set.
at com.sun.faces.config.ConfigureListener.registerELResolverAndListenerWithJsp(ConfigureListener.java:361)
at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:189)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3972)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4467)
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.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
03/04/2011 08:27:34 net.java.dev.weblets.impl.WebletsContextListenerImpl handlePathPatternWarnings
WARN : JSF Enabled Weblets but path pattern is missing, some relatively referenced resources might not load
03/04/2011 08:27:34 org.apache.catalina.core.StandardContext start
GRAVE: Error listenerStart
03/04/2011 08:27:34 org.apache.catalina.core.StandardContext start
GRAVE: Context [/avalia] startup failed due to previous errors
03/04/2011 08:27:34 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
GRAVE: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">
<display-name>avalia</display-name>
<!-- JSF Configuration -->
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<!-- Rich Faces Configuration -->
<filter>
<display-name>Ajax4jsf Filter</display-name>
<filter-name>ajax4jsf</filter-name>
<filter-class>org.ajax4jsf.Filter</filter-class>
</filter>
<filter-mapping>
<filter-name>ajax4jsf</filter-name>
<servlet-name>Faces Servlet</servlet-name>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<dispatcher>INCLUDE</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<!-- Facelets Configuration -->
<context-param>
<param-name>javax.faces.DEFAULT_SUFFIX</param-name>
<param-value>.xhtml</param-value>
</context-param>
<!-- Weblets Configuration -->
<context-param>
<param-name>weblets.CONFIG_FILES</param-name>
<param-value>weblets-config.xml</param-value>
</context-param>
<servlet>
<servlet-name>Weblets Servlet</servlet-name>
<servlet-class>net.java.dev.weblets.WebletsServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Weblets Servlet</servlet-name>
<url-pattern>/weblets/*</url-pattern>
</servlet-mapping>
<!-- MyFaces Configuration -->
<filter>
<filter-name>MyFacesExtensionsFilter</filter-name>
<filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
<init-param>
<param-name>uploadMaxFileSize</param-name>
<param-value>20m</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>MyFacesExtensionsFilter</filter-name>
<servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
<filter-mapping>
<filter-name>MyFacesExtensionsFilter</filter-name>
<url-pattern>/faces/myFacesExtensionResource/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>MyFacesExtensionsFilter</filter-name>
<url-pattern>*.jsf</url-pattern>
</filter-mapping>
<!-- Demoiselle Web Configuration -->
<listener>
<listener-class>br.gov.framework.demoiselle.web.init.WebInitializationServletContextListener</listener-class>
</listener>
<listener>
<listener-class>br.gov.framework.demoiselle.web.security.WebSecurityServletRequestListener</listener-class>
</listener>
<listener>
<listener-class>br.gov.framework.demoiselle.web.transaction.WebTransactionServletRequestListener</listener-class>
</listener>
<servlet>
<servlet-name>WebRedirectServlet</servlet-name>
<servlet-class>br.gov.framework.demoiselle.web.redirect.WebRedirectServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>WebRedirectServlet</servlet-name>
<url-pattern>/redirect</url-pattern>
</servlet-mapping>
<!-- Demoiselle Scheduler Configuration -->
<listener>
<listener-class>br.gov.component.demoiselle.scheduler.web.SchedulerInitializationServletContextListener</listener-class>
</listener>
<!-- Pages Configuration -->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<error-page>
<error-code>403</error-code>
<location>/public/pages/error/403.jsp</location>
</error-page>
<error-page>
<error-code>404</error-code>
<location>/public/pages/error/404.jsp</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/public/pages/error/500.jsp</location>
</error-page>
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/public/pages/error/global.jsp</location>
</error-page>
<!-- Security Configuration -->
<security-constraint>
<web-resource-collection>
<web-resource-name>private</web-resource-name>
<description>private resources</description>
<url-pattern>/private/*</url-pattern>
</web-resource-collection>
<auth-constraint>
<role-name>*</role-name>
</auth-constraint>
</security-constraint>
<login-config>
<auth-method>FORM</auth-method>
<form-login-config>
<form-login-page>/public/pages/security/login.jsp</form-login-page>
<form-error-page>/public/pages/error/access.jsp</form-error-page>
</form-login-config>
</login-config>
<security-role>
<role-name>*</role-name>
</security-role>
<!--
<context-param>
<description>Necessário para o JBoss 4.2.0 ou superior.</description>
<param-name>org.jboss.jbossfaces.WAR_BUNDLES_JSF_IMPL</param-name>
<param-value>true</param-value>
</context-param>
-->
</web-app>
