[Geoserver-users] reading cloud optimized geotiff

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Hi everyone,
I'm trying to read geotiff files from an Azure Blob Storage.
As a first attempt, to keep things simple and avoid auth problems, I set the access level to enable anonymous read on the containers and blobs.
I produced the COGs from a regular geotiffs using GDAL translate. Files are reachable as I can require them using Postman and this viewer<https://cholmes.github.io/cog-map/>.
I installed the COG plugin (Geoserver 2.19) and I tried to configure the store as shown in the guide, just inserting the URL of a file and flagging the COG's checkbox.
Store creation fails with the stacktrace (I shadowed the container url):

WARN [io.imageio] - Unable to create a Reader for: https://my-container-url/cache/tif/cog1.tif.ovr
java.lang.RuntimeException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr
        at it.geosolutions.imageioimpl.plugins.cog.HttpRangeReader.readHeader(HttpRangeReader.java:96)
        at it.geosolutions.imageioimpl.plugins.cog.DefaultCogImageInputStream.initializeHeader(DefaultCogImageInputStream.java:124)
        at it.geosolutions.imageioimpl.plugins.cog.DefaultCogImageInputStream.init(DefaultCogImageInputStream.java:84)
        at it.geosolutions.imageioimpl.plugins.cog.CogSourceSPIProvider.getStream(CogSourceSPIProvider.java:82)
        at org.geotools.coverage.grid.io.imageio.MaskOverviewProvider.externalOverviewsCheck(MaskOverviewProvider.java:280)
        at org.geotools.coverage.grid.io.imageio.MaskOverviewProvider.<init>(MaskOverviewProvider.java:160)
        at org.geotools.gce.geotiff.GeoTiffReader.getHRInfo(GeoTiffReader.java:401)
        at org.geotools.gce.geotiff.GeoTiffReader.<init>(GeoTiffReader.java:265)
        at org.geotools.gce.geotiff.GeoTiffFormat.getReader(GeoTiffFormat.java:331)
        at org.geotools.gce.geotiff.GeoTiffFormat.getReader(GeoTiffFormat.java:77)
        at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1572)
        at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1517)
        at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1504)
        at org.geoserver.web.data.store.CoverageStoreEditPage.onSave(CoverageStoreEditPage.java:126)
        at org.geoserver.web.data.store.AbstractCoverageStorePage$1.onSubmit(AbstractCoverageStorePage.java:138)
        at org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink$1.onSubmit(AjaxSubmitLink.java:111)
        at org.apache.wicket.ajax.form.AjaxFormSubmitBehavior$AjaxFormSubmitter.onSubmit(AjaxFormSubmitBehavior.java:218)
        at org.apache.wicket.markup.html.form.Form.delegateSubmit(Form.java:1312)
        at org.apache.wicket.markup.html.form.Form.process(Form.java:976)
        at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:797)
        at org.apache.wicket.ajax.form.AjaxFormSubmitBehavior.onEvent(AjaxFormSubmitBehavior.java:174)
        at org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:155)
        at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:601)
        at jdk.internal.reflect.GeneratedMethodAccessor237.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:258)
        at org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:241)
        at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:248)
        at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:234)
        at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
        at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
        at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
        at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
        at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
        at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
        at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
        at org.apache.wicket.protocol.http.WicketServlet.doPost(WicketServlet.java:159)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:166)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:177)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1452)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
        at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
        at org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:26)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:69)
        at org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:70)
        at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:66)
        at org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:41)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:37)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:51)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.geoserver.security.filter.GeoServerUserNamePasswordAuthenticationFilter.doFilter(GeoServerUserNamePasswordAuthenticationFilter.java:122)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:158)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
        at org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:52)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
        at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
        at org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:142)
        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:101)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:77)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:47)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:46)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:42)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
        at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:835)
Caused by: java.io.IOException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr. Code: 404. Reason: The specified blob does not exist.
        at it.geosolutions.imageioimpl.plugins.cog.HttpRangeReader.readHeader(HttpRangeReader.java:87)
        ... 154 more
17 ago 17:19:30 WARN [gce.geotiff] - java.lang.RuntimeException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr
org.geotools.data.DataSourceException: java.lang.RuntimeException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr
        at org.geotools.gce.geotiff.GeoTiffReader.<init>(GeoTiffReader.java:279)
        at org.geotools.gce.geotiff.GeoTiffFormat.getReader(GeoTiffFormat.java:331)
        at org.geotools.gce.geotiff.GeoTiffFormat.getReader(GeoTiffFormat.java:77)
        at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1572)
        at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1517)
        at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1504)
        at org.geoserver.web.data.store.CoverageStoreEditPage.onSave(CoverageStoreEditPage.java:126)
        at org.geoserver.web.data.store.AbstractCoverageStorePage$1.onSubmit(AbstractCoverageStorePage.java:138)
        at org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink$1.onSubmit(AjaxSubmitLink.java:111)
        at org.apache.wicket.ajax.form.AjaxFormSubmitBehavior$AjaxFormSubmitter.onSubmit(AjaxFormSubmitBehavior.java:218)
        at org.apache.wicket.markup.html.form.Form.delegateSubmit(Form.java:1312)
        at org.apache.wicket.markup.html.form.Form.process(Form.java:976)
        at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:797)
        at org.apache.wicket.ajax.form.AjaxFormSubmitBehavior.onEvent(AjaxFormSubmitBehavior.java:174)
        at org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:155)
        at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:601)
        at jdk.internal.reflect.GeneratedMethodAccessor237.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:258)
        at org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:241)
        at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:248)
        at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:234)
        at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
        at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
        at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
        at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
        at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
        at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
        at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
        at org.apache.wicket.protocol.http.WicketServlet.doPost(WicketServlet.java:159)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:166)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:177)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1452)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
        at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
        at org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:26)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:69)
        at org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:70)
        at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:66)
        at org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:41)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:37)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:51)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.geoserver.security.filter.GeoServerUserNamePasswordAuthenticationFilter.doFilter(GeoServerUserNamePasswordAuthenticationFilter.java:122)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:158)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70)
        at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
        at org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:52)
        at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74)
        at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
        at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
        at org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:142)
        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:101)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:77)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:47)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:46)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:42)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
        at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
        at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
        at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:835)
Caused by: org.geotools.data.DataSourceException: java.lang.RuntimeException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr
        at org.geotools.gce.geotiff.GeoTiffReader.getHRInfo(GeoTiffReader.java:539)
        at org.geotools.gce.geotiff.GeoTiffReader.<init>(GeoTiffReader.java:265)
        ... 147 more
Caused by: java.lang.IllegalArgumentException: java.lang.RuntimeException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr
        at org.geotools.coverage.grid.io.imageio.MaskOverviewProvider.externalOverviewsCheck(MaskOverviewProvider.java:294)
        at org.geotools.coverage.grid.io.imageio.MaskOverviewProvider.<init>(MaskOverviewProvider.java:160)
        at org.geotools.gce.geotiff.GeoTiffReader.getHRInfo(GeoTiffReader.java:401)
        ... 148 more
Caused by: java.lang.RuntimeException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr
        at it.geosolutions.imageioimpl.plugins.cog.HttpRangeReader.readHeader(HttpRangeReader.java:96)
        at it.geosolutions.imageioimpl.plugins.cog.DefaultCogImageInputStream.initializeHeader(DefaultCogImageInputStream.java:124)
        at it.geosolutions.imageioimpl.plugins.cog.DefaultCogImageInputStream.init(DefaultCogImageInputStream.java:84)
        at it.geosolutions.imageioimpl.plugins.cog.CogSourceSPIProvider.getStream(CogSourceSPIProvider.java:82)
        at org.geotools.coverage.grid.io.imageio.MaskOverviewProvider.externalOverviewsCheck(MaskOverviewProvider.java:280)
        ... 150 more
Caused by: java.io.IOException: Unable to read header for https://my-container-url/cache/tif/cog1.tif.ovr. Code: 404. Reason: The specified blob does not exist.
        at it.geosolutions.imageioimpl.plugins.cog.HttpRangeReader.readHeader(HttpRangeReader.java:87)
        ... 154 more

I guess I didn't configure everything correctly and GeoServer can't find the file. Moreover, this is only the first attempt, because I eventually need to replace the Blob Container with an Azure DataLake instance and the single tiff with a mosaic (if possible).

Thanks in advance,
Nicola