The log throws constantly the following exception, causing a lot of slow down in the site:

GRAVE: Servlet.service() para servlet default lanzó excepción
net.sf.ehcache.constructs.blocking.LockTimeoutException: Lock timeout. Waited more than 10000ms to acquire lock for key DefaultCacheKey{uri='/wap0argentina', serverName='claroideas.com', locale='en', channel='all', params={}', secure='false', method='get', additionalAttributes='{}'} on blocking cache defaultPageCache
at net.sf.ehcache.constructs.blocking.BlockingCache.acquiredLockForKey(BlockingCache.java:190)
at net.sf.ehcache.constructs.blocking.BlockingCache.get(BlockingCache.java:158)
at info.magnolia.module.cache.ehcache.EhCacheWrapper.get(EhCacheWrapper.java:93)
at info.magnolia.module.cache.cachepolicy.Default.shouldCache(Default.java:120)
at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:155)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:74)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:84)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:57)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.multisite.filters.CrossSiteSecurityFilter.doFilter(CrossSiteSecurityFilter.java:105)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.security.SecurityCallbackFilter.doFilter(SecurityCallbackFilter.java:80)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:94)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.module.site.filters.SiteMergeFilter.doFilter(SiteMergeFilter.java:119)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.multisite.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:105)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.MultiChannelFilter.doFilter(MultiChannelFilter.java:83)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at com.cm.claroideas.wap.filtros.WapFilter.doFilter(WapFilter.java:170)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:127)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:63)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:87)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.personalization.preview.filter.PreviewFilter.doFilter(PreviewFilter.java:92)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:112)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:128)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:107)
at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:67)
at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:108)
at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:94)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:217)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor.java:844)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1074)
at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1033)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)