Hello all,
I am having a problem using the hibernate-ehcache 4.1.2 snapshot. Tha caches seem to be working well at first, but then after approximately 2 days, i start top get outofmemoryerrors, which seem to be originating when i attempt to retrieve objects from a cache.
The stack trace is as follows:
Code:
[2012-03-22 16:16:06,823] WARN605927[http-bio-80-exec-897] - net.sf.ehcache.constructs.web.filter.Filter.logThrowable(Filter.java:138) - Throwable thrown during doFilter on request with URI: /ihq/admin/site_tree and Query: _dc=1332432966759&node=Request processing failed; nested exception is net.sf.ehcache.CacheException: net.sf.ehcache.CacheException: Uncaught exception in get() - PermGen space
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is net.sf.ehcache.CacheException: net.sf.ehcache.CacheException: Uncaught exception in get() - PermGen space
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:894)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
atcom.example.webmanager.filter.PagePreviewFilter.doFilter(PagePreviewFilter.java:62)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at net.sf.ehcache.constructs.web.filter.GzipFilter.doFilter(GzipFilter.java:95)
at net.sf.ehcache.constructs.web.filter.Filter.doFilter(Filter.java:86)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.example.commons.filters.HttpHeadFilter.doFilter(HttpHeadFilter.java:47)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:369)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:109)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:168)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:681)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: net.sf.ehcache.CacheException: net.sf.ehcache.CacheException: Uncaught exception in get() - PermGen space
at net.sf.ehcache.constructs.nonstop.NonstopExecutorServiceImpl.execute(NonstopExecutorServiceImpl.java:101)
at net.sf.ehcache.constructs.nonstop.store.ExecutorServiceStore.executeWithExecutor(ExecutorServiceStore.java:160)
at net.sf.ehcache.constructs.nonstop.store.ExecutorServiceStore.executeWithExecutor(ExecutorServiceStore.java:129)
at net.sf.ehcache.constructs.nonstop.store.ExecutorServiceStore.get(ExecutorServiceStore.java:411)
at net.sf.ehcache.constructs.nonstop.store.NonstopStoreImpl.get(NonstopStoreImpl.java:344)
at net.sf.ehcache.Cache.searchInStoreWithStats(Cache.java:1986)
at net.sf.ehcache.Cache.get(Cache.java:1618)
at net.sf.ehcache.Cache.get(Cache.java:1591)
at com.example.webmanager.logic.tree.TreeCacheManager.getFromCache(TreeCacheManager.java:102)
at com.example.webmanager.logic.tree.TreeService.buildBranch(TreeService.java:28)
at com.example.webmanager.controller.admin.TreeController.getTreeJson(TreeController.java:42)
at sun.reflect.GeneratedMethodAccessor219.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
... 59 more
Caused by: net.sf.ehcache.CacheException: Uncaught exception in get() - PermGen space
at org.terracotta.modules.ehcache.store.ClusteredSafeStore.get(ClusteredSafeStore.java:685)
at net.sf.ehcache.constructs.nonstop.store.ExecutorServiceStore$12.call(ExecutorServiceStore.java:413)
at net.sf.ehcache.constructs.nonstop.store.ExecutorServiceStore$12.call(ExecutorServiceStore.java:411)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at net.sf.ehcache.constructs.nonstop.NonstopThreadPool$WorkerThreadLocal$1.run(NonstopThreadPool.java:180)
at net.sf.ehcache.constructs.nonstop.NonstopThreadPool$Worker.run(NonstopThreadPool.java:222)
... 1 more
apparntly from this, it is being caused by the a cache retrieval from something we call the "privateTreeCache". Its config is as follows:
Code:
<cache name="privateTreeCache" maxElementsInMemory="5000" maxElementsOnDisk="100000" eternal="false"
timeToLiveSeconds="3600" overflowToDisk="false" statistics="true">
<terracotta>
<nonstop>
<timeoutBehavior type="noop" />
</nonstop>
</terracotta>
</cache>