Oct 22, 2010 1:55:55 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet default threw exception
net.sf.ehcache.constructs.blocking.LockTimeoutException: Lock timeout. Waited more than 4000ms to acquire lock for key DefaultCacheKey{uri='/contribute.html', serverName='documentation.magnolia-cms.co
m', locale='en', params={}} on blocking cache default
        at net.sf.ehcache.constructs.blocking.BlockingCache.get(BlockingCache.java:532)
        at info.magnolia.module.cache.ehcache.EhCacheWrapper.get(EhCacheWrapper.java:63)
        at info.magnolia.module.cache.cachepolicy.Default.shouldCache(Default.java:96)
        at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:112)
        at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:83)
        at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:61)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:89)
        at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:80)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:50)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
        at info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:87)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:99)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
        at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:64)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
        at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:96)
        at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:199)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        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:128)
        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:293)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:574)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1527)
        at java.lang.Thread.run(Thread.java:619)