Re: Page deserialization problem after a network problem
On 5/19/2020 10:08 AM, Sven Meier wrote: Hi, I don't understand how that exception ends up in your component hierarchy either. Do you use a custom exception mapper or listener? I don't see any place in Wicket where that exception is stored. Best regards Sven On 18.05.20 17:12, Calin Pavel wrote: Sometime our customers have network problems (e.g connection interrupted for a short period) and if that happens when we are sending response for a page, an exception is thrown: *2020-04-23 18:47:28 ERROR [ba00c0b5f1c83a39/ba00c0b5f1c83a39] [00529169] [m00080874] DefaultExceptionMapper:144 - Connection lost, give up responding.org.apache.wicket.protocol.http.servlet.ResponseIOException: org.eclipse.jetty.io.EofException* which is normal. But after that if a user tries to do something else in the same page (e.g clicks on an Ajax Link) a deserialization error appears (like stack trace below). Did anybody else encounter the same behaviour? We are using Wicket 7.10.0 and do not understand: 1. why serialized page contains information (details of connection exception) when serialized 2. why EofException is not found during deserialization, since it was thrown seconds before in the same running JVM 2020-04-23 18:49:51 ERROR [850aa812ac5fa019/850aa812ac5fa019] [00529169] [m00080874] DefaultExceptionMapper:170 - Unexpected error occurred java.lang.RuntimeException: Could not deserialize object from byte[] at org.apache.wicket.serialize.java.JavaSerializer.deserialize(JavaSerializer.java:143) at org.apache.wicket.pageStore.AbstractPageStore.deserializePage(AbstractPageStore.java:152) at org.apache.wicket.pageStore.AbstractCachingPageStore.getPage(AbstractCachingPageStore.java:67) at org.apache.wicket.page.PageStoreManager$SessionEntry.getPage(PageStoreManager.java:231) at org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.getPage(PageStoreManager.java:393) at org.apache.wicket.page.AbstractPageManager.getPage(AbstractPageManager.java:82) at org.apache.wicket.page.PageManagerDecorator.getPage(PageManagerDecorator.java:50) at org.apache.wicket.page.PageAccessSynchronizer$2.getPage(PageAccessSynchronizer.java:246) at org.apache.wicket.DefaultMapperContext.getPageInstance(DefaultMapperContext.java:113) at org.apache.wicket.core.request.handler.PageProvider.getStoredPage(PageProvider.java:299) at org.apache.wicket.core.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264) at org.apache.wicket.core.request.handler.PageProvider.getPageInstance(PageProvider.java:169) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.getPage(ListenerInterfaceRequestHandler.java:96) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:157) at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895) at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265) at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293) at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261) at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at com.tvh.wicket.protocol.http.RequestTimeLoggingFilter.doFilter(RequestTimeLoggingFilter.java:167) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at brave.servlet.TracingFilter.doFilter(TracingFilter.java:86) at com.tvh.website.ecommerce.tracing.web.DelegatingTracingFilter.doFilter(DelegatingTracingFilter.java:38) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1125) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1059) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.ContextHandlerCollection.hand
Re: Page deserialization problem after a network problem
Hi, I don't understand how that exception ends up in your component hierarchy either. Do you use a custom exception mapper or listener? I don't see any place in Wicket where that exception is stored. Best regards Sven On 18.05.20 17:12, Calin Pavel wrote: Sometime our customers have network problems (e.g connection interrupted for a short period) and if that happens when we are sending response for a page, an exception is thrown: *2020-04-23 18:47:28 ERROR [ba00c0b5f1c83a39/ba00c0b5f1c83a39] [00529169] [m00080874] DefaultExceptionMapper:144 - Connection lost, give up responding.org.apache.wicket.protocol.http.servlet.ResponseIOException: org.eclipse.jetty.io.EofException* which is normal. But after that if a user tries to do something else in the same page (e.g clicks on an Ajax Link) a deserialization error appears (like stack trace below). Did anybody else encounter the same behaviour? We are using Wicket 7.10.0 and do not understand: 1. why serialized page contains information (details of connection exception) when serialized 2. why EofException is not found during deserialization, since it was thrown seconds before in the same running JVM 2020-04-23 18:49:51 ERROR [850aa812ac5fa019/850aa812ac5fa019] [00529169] [m00080874] DefaultExceptionMapper:170 - Unexpected error occurred java.lang.RuntimeException: Could not deserialize object from byte[] at org.apache.wicket.serialize.java.JavaSerializer.deserialize(JavaSerializer.java:143) at org.apache.wicket.pageStore.AbstractPageStore.deserializePage(AbstractPageStore.java:152) at org.apache.wicket.pageStore.AbstractCachingPageStore.getPage(AbstractCachingPageStore.java:67) at org.apache.wicket.page.PageStoreManager$SessionEntry.getPage(PageStoreManager.java:231) at org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.getPage(PageStoreManager.java:393) at org.apache.wicket.page.AbstractPageManager.getPage(AbstractPageManager.java:82) at org.apache.wicket.page.PageManagerDecorator.getPage(PageManagerDecorator.java:50) at org.apache.wicket.page.PageAccessSynchronizer$2.getPage(PageAccessSynchronizer.java:246) at org.apache.wicket.DefaultMapperContext.getPageInstance(DefaultMapperContext.java:113) at org.apache.wicket.core.request.handler.PageProvider.getStoredPage(PageProvider.java:299) at org.apache.wicket.core.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264) at org.apache.wicket.core.request.handler.PageProvider.getPageInstance(PageProvider.java:169) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.getPage(ListenerInterfaceRequestHandler.java:96) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:157) at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895) at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265) at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293) at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261) at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at com.tvh.wicket.protocol.http.RequestTimeLoggingFilter.doFilter(RequestTimeLoggingFilter.java:167) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at brave.servlet.TracingFilter.doFilter(TracingFilter.java:86) at com.tvh.website.ecommerce.tracing.web.DelegatingTracingFilter.doFilter(DelegatingTracingFilter.java:38) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1125) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1059) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110) at org.eclipse.jetty.server.
Page deserialization problem after a network problem
Sometime our customers have network problems (e.g connection interrupted for a short period) and if that happens when we are sending response for a page, an exception is thrown: *2020-04-23 18:47:28 ERROR [ba00c0b5f1c83a39/ba00c0b5f1c83a39] [00529169] [m00080874] DefaultExceptionMapper:144 - Connection lost, give up responding.org.apache.wicket.protocol.http.servlet.ResponseIOException: org.eclipse.jetty.io.EofException* which is normal. But after that if a user tries to do something else in the same page (e.g clicks on an Ajax Link) a deserialization error appears (like stack trace below). Did anybody else encounter the same behaviour? We are using Wicket 7.10.0 and do not understand: 1. why serialized page contains information (details of connection exception) when serialized 2. why EofException is not found during deserialization, since it was thrown seconds before in the same running JVM 2020-04-23 18:49:51 ERROR [850aa812ac5fa019/850aa812ac5fa019] [00529169] [m00080874] DefaultExceptionMapper:170 - Unexpected error occurred java.lang.RuntimeException: Could not deserialize object from byte[] at org.apache.wicket.serialize.java.JavaSerializer.deserialize(JavaSerializer.java:143) at org.apache.wicket.pageStore.AbstractPageStore.deserializePage(AbstractPageStore.java:152) at org.apache.wicket.pageStore.AbstractCachingPageStore.getPage(AbstractCachingPageStore.java:67) at org.apache.wicket.page.PageStoreManager$SessionEntry.getPage(PageStoreManager.java:231) at org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.getPage(PageStoreManager.java:393) at org.apache.wicket.page.AbstractPageManager.getPage(AbstractPageManager.java:82) at org.apache.wicket.page.PageManagerDecorator.getPage(PageManagerDecorator.java:50) at org.apache.wicket.page.PageAccessSynchronizer$2.getPage(PageAccessSynchronizer.java:246) at org.apache.wicket.DefaultMapperContext.getPageInstance(DefaultMapperContext.java:113) at org.apache.wicket.core.request.handler.PageProvider.getStoredPage(PageProvider.java:299) at org.apache.wicket.core.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264) at org.apache.wicket.core.request.handler.PageProvider.getPageInstance(PageProvider.java:169) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.getPage(ListenerInterfaceRequestHandler.java:96) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:157) at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895) at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265) at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293) at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261) at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at com.tvh.wicket.protocol.http.RequestTimeLoggingFilter.doFilter(RequestTimeLoggingFilter.java:167) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at brave.servlet.TracingFilter.doFilter(TracingFilter.java:86) at com.tvh.website.ecommerce.tracing.web.DelegatingTracingFilter.doFilter(DelegatingTracingFilter.java:38) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1125) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1059) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) at org.eclipse.jetty.server.Server.handle(S
