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https://issues.apache.org/jira/browse/WICKET-3804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Ertl closed WICKET-3804.
------------------------------
Resolution: Invalid
I will do some further investigation, not sure if it's a wicket problem or
caused by the alternative serialization
> OOME under high load (= keeping F5 pressed in the browser) caused by
> DiskDataStore
> ----------------------------------------------------------------------------------
>
> Key: WICKET-3804
> URL: https://issues.apache.org/jira/browse/WICKET-3804
> Project: Wicket
> Issue Type: Bug
> Components: wicket-core
> Affects Versions: 1.5-RC4
> Reporter: Peter Ertl
> Assignee: Peter Ertl
> Priority: Critical
>
> when trying martin-g's alternative serializer (KryoSerializer) I encountered
> OOME. Did not get it with regular serialization. Probably since kryo
> serializer is significantly faster and puts DiskDataStore under more stress
> ...
> WARN - log - Error for
> /repeater/wicket/bookmarkable/org.apache.wicket.examples.repeater.SortingPage
> java.lang.OutOfMemoryError: Direct buffer memory
> at java.nio.Bits.reserveMemory(Bits.java:633)
> at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:98)
> at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:288)
> at sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:155)
> at sun.nio.ch.IOUtil.write(IOUtil.java:37)
> at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:638)
> at
> org.apache.wicket.pageStore.DiskDataStore$SessionEntry.savePage(DiskDataStore.java:330)
> at
> org.apache.wicket.pageStore.DiskDataStore.storeData(DiskDataStore.java:172)
> at
> org.apache.wicket.pageStore.DefaultPageStore.storePageData(DefaultPageStore.java:115)
> at
> org.apache.wicket.pageStore.DefaultPageStore.storePage(DefaultPageStore.java:144)
> at
> org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.storeTouchedPages(PageStoreManager.java:377)
> at
> org.apache.wicket.page.RequestAdapter.commitRequest(RequestAdapter.java:171)
> at
> org.apache.wicket.page.AbstractPageManager.commitRequest(AbstractPageManager.java:94)
> at
> org.apache.wicket.page.PageManagerDecorator.commitRequest(PageManagerDecorator.java:68)
> at
> org.apache.wicket.page.PageAccessSynchronizer$2.commitRequest(PageAccessSynchronizer.java:213)
> at org.apache.wicket.Application$2.onDetach(Application.java:1557)
> at
> org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:100)
> at
> org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:95)
> at
> org.apache.wicket.util.listener.ListenerCollection.reversedNotify(ListenerCollection.java:121)
> at
> org.apache.wicket.util.listener.ListenerCollection.reversedNotify(ListenerCollection.java:112)
> at
> org.apache.wicket.request.cycle.RequestCycleListenerCollection.onDetach(RequestCycleListenerCollection.java:94)
> at
> org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java:540)
> at
> org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:479)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:257)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:160)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:216)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)
> at org.eclipse.jetty.server.Server.handle(Server.java:346)
> at
> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589)
> at
> org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214)
> at
> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411)
> at
> org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:241)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529)
> at java.lang.Thread.run(Thread.java:680)
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