Servlet webdav is not available

I have installed Slide 2.1 on top of Tomcat 5.5.20 and when I try to access
http://localhost:8080/slide I receive Servlet webdav is not available

HTTP Status 404 - Servlet webdav is not available
type Status report
message Servlet webdav is not available
description The requested resource (Servlet webdav is not available) is not
available.
Apache Tomcat/5.5


The following exception is threw when I start the slide web context.

Dec 17, 2006 11:38:03 PM org.apache.catalina.core.ApplicationContext log
SEVERE: webdav: Could not initialize domain
org.apache.slide.common.DomainInitializationFailedError: Domain
initialization error
        at org.apache.slide.common.Domain.init(Domain.java:437)
        at org.apache.slide.common.Domain.init(Domain.java:366)
        at org.apache.slide.common.Domain.init(Domain.java:329)
        at org.apache.slide.webdav.WebdavServlet.init(WebdavServlet.java
:253)
        at javax.servlet.GenericServlet.init(GenericServlet.java:256)
        at org.apache.slide.webdav.WebdavServlet.init(WebdavServlet.java
:195)
        at org.apache.catalina.core.StandardWrapper.loadServlet(
StandardWrapper.java:1105)
        at org.apache.catalina.core.StandardWrapper.load(
StandardWrapper.java:932)
        at org.apache.catalina.core.StandardContext.loadOnStartup(
StandardContext.java:3951)
        at org.apache.catalina.core.StandardContext.start(
StandardContext.java:4225)
        at org.apache.catalina.manager.ManagerServlet.start(
ManagerServlet.java:1175)
        at org.apache.catalina.manager.HTMLManagerServlet.start(
HTMLManagerServlet.java:527)
        at org.apache.catalina.manager.HTMLManagerServlet.doGet(
HTMLManagerServlet.java:104)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(
AuthenticatorBase.java:524)
        at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(
Http11Processor.java:869)
        at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:664)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)
Dec 17, 2006 11:38:03 PM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet webdav as unavailable
Dec 17, 2006 11:38:03 PM org.apache.catalina.core.StandardContextloadOnStartup
SEVERE: Servlet /slide threw load() exception
javax.servlet.UnavailableException:
org.apache.slide.common.DomainInitializationFailedError: Domain
initialization error
        at org.apache.slide.webdav.WebdavServlet.init(WebdavServlet.java
:274)
        at javax.servlet.GenericServlet.init(GenericServlet.java:256)
        at org.apache.slide.webdav.WebdavServlet.init(WebdavServlet.java
:195)
        at org.apache.catalina.core.StandardWrapper.loadServlet(
StandardWrapper.java:1105)
        at org.apache.catalina.core.StandardWrapper.load(
StandardWrapper.java:932)
        at org.apache.catalina.core.StandardContext.loadOnStartup(
StandardContext.java:3951)
        at org.apache.catalina.core.StandardContext.start(
StandardContext.java:4225)
        at org.apache.catalina.manager.ManagerServlet.start(
ManagerServlet.java:1175)
        at org.apache.catalina.manager.HTMLManagerServlet.start(
HTMLManagerServlet.java:527)
        at org.apache.catalina.manager.HTMLManagerServlet.doGet(
HTMLManagerServlet.java:104)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(
AuthenticatorBase.java:524)
        at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(
Http11Processor.java:869)
        at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:664)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)


Any ideas?

[]s
Glauber Vinícius