Hello,
We are getting reports that some large pages on a particular site regularly
return HTTP 500 errors like the one below. Refreshing the page does load the
normal page. Apparently there is a 4000 ms lock timeout for Ehcache, and
somehow this is not enough time to acquire a lock for the cache key. I'll dig
into this soon, but I was wondering if anyone ever encountered the same issue
and solved it.
Nils Breunese.
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net.sf.ehcache.constructs.blocking.LockTimeoutException: Lock timeout. Waited
more than 4000ms to acquire lock for key
DefaultCacheKey{uri='/kijk-luister/kunst-en-cultuur.html',
serverName='www.hollanddoc.nl', locale='nl', params={}} on blocking cache
default
net.sf.ehcache.constructs.blocking.BlockingCache.get(BlockingCache.java:532)
info.magnolia.module.cache.ehcache.EhCacheWrapper.get(EhCacheWrapper.java:63)
info.magnolia.module.cache.cachepolicy.Default.shouldCache(Default.java:96)
info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:112)
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:94)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:83)
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:61)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:89)
info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:80)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:50)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:87)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
nl.vpro.magnolia.module.vprotemplatingkit.filters.MMBaseProgramSiteRedirectFilter.doFilter(MMBaseProgramSiteRedirectFilter.java:65)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
nl.vpro.magnolia.module.vprotemplatingkit.filters.MMBaseProgramSiteRedirectFilter.doFilter(MMBaseProgramSiteRedirectFilter.java:65)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:99)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:64)
info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70)
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:96)
info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:199)
note The full stack trace of the root cause is available in the Apache
Tomcat/6.0.18 logs.
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VPRO
phone: +31(0)356712911
e-mail: [email protected]
web: www.vpro.nl
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