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https://issues.apache.org/jira/browse/SLING-2703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543747#comment-13543747
 ] 

Shashank Gupta commented on SLING-2703:
---------------------------------------

Yes it is harmless exception but given that upload file is very frequent 
operation, it becomes ugly. 
Can't we distinguish between erroneous and harmless scenarios for this 
exception and avoid logging in harmless case( or log at debug level). 
afaics, this exception was not logged in previous version and is introduced 
recently. 
                
> [SlingPostServlet] PathNotFoundException logged when uploading file using 
> slingpostservlet
> ------------------------------------------------------------------------------------------
>
>                 Key: SLING-2703
>                 URL: https://issues.apache.org/jira/browse/SLING-2703
>             Project: Sling
>          Issue Type: Bug
>          Components: Servlets
>    Affects Versions: Servlets Post 2.2.0
>            Reporter: Shashank Gupta
>            Priority: Minor
>
> The nt:file node along with content is created successfully. 
> Complete exception trace:
> 03.01.2013 18:40:53.686 *INFO* [127.0.0.1 [1357218653685] POST /content/page 
> HTTP/1.1] org.apache.sling.jcr.resource.internal.helper.jcr.JcrNodeResource 
> setMetaData: Problem extracting metadata information for /content/page/image 
> javax.jcr.PathNotFoundException: jcr:content
>       at org.apache.jackrabbit.core.NodeImpl$8.perform(NodeImpl.java:2151)
>       at org.apache.jackrabbit.core.NodeImpl$8.perform(NodeImpl.java:2145)
>       at 
> org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
>       at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
>       at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2145)
>       at 
> org.apache.sling.jcr.resource.internal.helper.jcr.JcrNodeResource.setMetaData(JcrNodeResource.java:276)
>       at 
> org.apache.sling.jcr.resource.internal.helper.jcr.JcrNodeResource.<init>(JcrNodeResource.java:97)
>       at 
> org.apache.sling.jcr.resource.internal.helper.jcr.JcrResourceProvider.create(JcrResourceProvider.java:421)
>       at 
> org.apache.sling.resourceresolver.impl.ResourceResolverImpl.create(ResourceResolverImpl.java:1063)
>       at 
> org.apache.sling.servlets.post.impl.helper.SlingFileUploadHandler.createWithChanges(SlingFileUploadHandler.java:305)
>       at 
> org.apache.sling.servlets.post.impl.helper.SlingFileUploadHandler.getOrCreateChildResource(SlingFileUploadHandler.java:287)
>       at 
> org.apache.sling.servlets.post.impl.helper.SlingFileUploadHandler.setFile(SlingFileUploadHandler.java:144)
>       at 
> org.apache.sling.servlets.post.impl.helper.SlingFileUploadHandler.setFile(SlingFileUploadHandler.java:269)
>       at 
> org.apache.sling.servlets.post.impl.operations.ModifyOperation.writeContent(ModifyOperation.java:409)
>       at 
> org.apache.sling.servlets.post.impl.operations.ModifyOperation.doRun(ModifyOperation.java:101)
>       at 
> org.apache.sling.servlets.post.AbstractPostOperation.run(AbstractPostOperation.java:92)
>       at 
> org.apache.sling.servlets.post.impl.SlingPostServlet.doPost(SlingPostServlet.java:202)
>       at 
> org.apache.sling.api.servlets.SlingAllMethodsServlet.mayService(SlingAllMethodsServlet.java:148)
>       at 
> org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:344)
>       at 
> org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:375)
>       at 
> org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:508)
>       at 
> org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
>       at 
> com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:148)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:333)
>       at 
> com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:160)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:254)
>       at 
> org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
>       at 
> com.day.cq.wcm.core.impl.warp.TimeWarpFilter.doFilter(TimeWarpFilter.java:106)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.day.cq.wcm.mobile.core.impl.redirect.RedirectFilter.doFilter(RedirectFilter.java:290)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:59)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet.doFilter(FormsHandlingServlet.java:220)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.day.cq.theme.impl.ThemeResolverFilter.doFilter(ThemeResolverFilter.java:76)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.adobe.granite.optout.impl.OptOutFilter.doFilter(OptOutFilter.java:74)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.day.cq.wcm.core.impl.WCMRequestFilter.doFilter(WCMRequestFilter.java:90)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> com.day.cq.wcm.designimporter.CanvasPageDeleteRequestFilter.doFilter(CanvasPageDeleteRequestFilter.java:87)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> org.apache.sling.rewriter.impl.RewriterFilter.doFilter(RewriterFilter.java:83)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:127)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> org.apache.sling.bgservlets.impl.BackgroundServletStarterFilter.doFilter(BackgroundServletStarterFilter.java:135)
>       at 
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
>       at 
> org.apache.sling.engine.impl.SlingRequestProcessorImpl.processRequest(SlingRequestProcessorImpl.java:151)
>       at 
> org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:206)
>       at 
> org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
>       at 
> org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
>       at 
> org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
>       at 
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
>       at 
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>       at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:127)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>       at 
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>       at 
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>       at 
> com.adobe.granite.license.impl.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:179)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>       at 
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>       at 
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>       at 
> org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:259)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>       at 
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>       at 
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>       at 
> org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:55)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>       at 
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>       at 
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>       at 
> org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:75)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>       at 
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>       at 
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>       at 
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>       at 
> org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
>       at 
> org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
>       at 
> org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>       at 
> com.day.j2ee.servletengine.ServletRuntimeEnvironment.service(ServletRuntimeEnvironment.java:250)
>       at 
> com.day.j2ee.servletengine.RequestDispatcherImpl.doFilter(RequestDispatcherImpl.java:321)
>       at 
> com.day.j2ee.servletengine.RequestDispatcherImpl.service(RequestDispatcherImpl.java:340)
>       at 
> com.day.j2ee.servletengine.RequestDispatcherImpl.service(RequestDispatcherImpl.java:383)
>       at 
> com.day.j2ee.servletengine.ServletHandlerImpl.process(ServletHandlerImpl.java:360)
>       at 
> com.day.j2ee.servletengine.HttpListener$Worker.run(HttpListener.java:644)
>       at java.lang.Thread.run(Thread.java:662)

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