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https://issues.apache.org/jira/browse/SLING-10926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Carsten Ziegeler reassigned SLING-10926:
----------------------------------------
Assignee: Carsten Ziegeler
> Error Handler throws Error checking if response is Open
> -------------------------------------------------------
>
> Key: SLING-10926
> URL: https://issues.apache.org/jira/browse/SLING-10926
> Project: Sling
> Issue Type: Bug
> Components: Servlets
> Affects Versions: Servlets Resolver 2.8.0
> Reporter: Hakim Sadikali
> Assignee: Carsten Ziegeler
> Priority: Major
> Fix For: Servlets Resolver 2.9.2
>
>
> The Error handler could check to see if its open before the writer is ever
> created, leading to a null pointer exception:
>
> 17.11.2021 10:21:15.603 *ERROR* [[0:0:0:0:0:0:0:1] [1637162475519] GET
> /foobar/foo HTTP/1.1] org.apache.sling.engine.impl.DefaultErrorHandler Error
> handler failed:java.io.IOException
> java.io.IOException: Error handler failed: java.lang.NullPointerException
> at
> org.apache.sling.servlets.resolver.internal.SlingServletResolver.handleError(SlingServletResolver.java:657)
> [org.apache.sling.servlets.resolver:2.8.2]
> at
> org.apache.sling.servlets.resolver.internal.SlingServletResolver.handleError(SlingServletResolver.java:320)
> [org.apache.sling.servlets.resolver:2.8.2]
> at
> org.apache.sling.engine.impl.DefaultErrorHandler.handleError(DefaultErrorHandler.java:97)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.sling.engine.impl.SlingRequestProcessorImpl$1.render(SlingRequestProcessorImpl.java:346)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:88)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.sling.rewriter.impl.RewriterFilter.doFilter(RewriterFilter.java:87)
> [org.apache.sling.rewriter:1.2.2]
> at
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78)
> [org.apache.sling.engine:2.7.10]
> at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:131)
> [org.apache.sling.i18n:2.5.14]
> at
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.sling.engine.impl.SlingRequestProcessorImpl.handleError(SlingRequestProcessorImpl.java:353)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.sling.engine.impl.SlingRequestProcessorImpl.doProcessRequest(SlingRequestProcessorImpl.java:167)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:250)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:123)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:86)
> [org.apache.felix.http.jetty:4.1.12]
> at
> com.adobe.granite.metrics.knownerrors.impl.ReportingRequestFilter.doFilter(ReportingRequestFilter.java:87)
> [com.adobe.granite.metrics.knownerrors:0.0.22]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at com.adobe.granite.cors.impl.CORSFilter.doFilter(CORSFilter.java:87)
> [com.adobe.granite.cors:1.0.20]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at
> com.adobe.granite.license.impl.http.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:301)
> [com.adobe.granite.license.http:1.0.0]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:131)
> [org.apache.sling.i18n:2.5.14]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.sling.featureflags.impl.FeatureManager.doFilter(FeatureManager.java:116)
> [org.apache.sling.featureflags:1.2.2]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:73)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.sling.engine.impl.parameters.RequestParameterSupportConfigurer.doFilter(RequestParameterSupportConfigurer.java:67)
> [org.apache.sling.engine:2.7.10]
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.Dispatcher$1.doFilter(Dispatcher.java:152)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1002)
> [org.apache.felix.http.jetty:4.1.12]
> at com.adobe.granite.cors.impl.CORSFilter.doFilter(CORSFilter.java:87)
> [com.adobe.granite.cors:1.0.20]
> at
> org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
> [org.apache.felix.http.jetty:4.1.12]
> at
> com.adobe.granite.auth.oauth.impl.OAuthCallbackFilter.doFilter(OAuthCallbackFilter.java:69)
> [com.adobe.granite.auth.oauth:1.7.12]
> at
> org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
> [org.apache.felix.http.jetty:4.1.12]
> at
> com.adobe.granite.auth.ims.impl.IMSClusterExchangeTokenPreprocessor.doFilter(IMSClusterExchangeTokenPreprocessor.java:246)
> [com.adobe.granite.auth.ims:1.4.20]
> at
> org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:326)
> [org.apache.sling.security:1.1.20]
> at
> org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:97)
> [org.apache.felix.http.sslfilter:1.2.6]
> at
> org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.invokePreprocessors(WhiteboardManager.java:1012)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:94)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.apache.felix.http.base.internal.dispatch.DispatcherServlet.service(DispatcherServlet.java:49)
> [org.apache.felix.http.jetty:4.1.12]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
> [org.apache.felix.http.servlet-api:1.1.4]
> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:550)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
> [org.apache.felix.http.jetty:4.1.12]
> at org.eclipse.jetty.server.Server.handle(Server.java:516)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
> [org.apache.felix.http.jetty:4.1.12]
> at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
> [org.apache.felix.http.jetty:4.1.12]
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
> [org.apache.felix.http.jetty:4.1.12]
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
> [org.apache.felix.http.jetty:4.1.12]
> at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
> [org.apache.felix.http.jetty:4.1.12]
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
> [org.apache.felix.http.jetty:4.1.12]
> at java.base/java.lang.Thread.run(Thread.java:834)
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.sling.servlets.resolver.internal.HandleErrorSlingHttpServletResponse.isOpen(HandleErrorSlingHttpServletResponse.java:51)
> [org.apache.sling.servlets.resolver:2.8.2]
> at
> org.apache.sling.servlets.resolver.internal.SlingServletResolver.handleError(SlingServletResolver.java:647)
> [org.apache.sling.servlets.resolver:2.8.2]
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