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java.lang.NullPointerException: null

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21.12.2023 07:01:40.214 *ERROR* [10.43.0.43 [1703142100208] POST /content/dam/collections.collection.html HTTP/1.1] com.day.cq.dam.core.impl.servlet.ResourceCollectionServlet Could not create/update collection 
java.lang.NullPointerException: null
	at com.day.cq.dam.core.impl.servlet.ResourceCollectionServlet.setLastModified(ResourceCollectionServlet.java:480) [com.day.cq.dam.cq-dam-core:5.12.346]
	at com.day.cq.dam.core.impl.servlet.ResourceCollectionServlet.doPost(ResourceCollectionServlet.java:235) [com.day.cq.dam.cq-dam-core:5.12.346]
	at org.apache.sling.api.servlets.SlingAllMethodsServlet.mayService(SlingAllMethodsServlet.java:146) [org.apache.sling.api:2.22.0]
	at org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:342) [org.apache.sling.api:2.22.0]
	at org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:374) [org.apache.sling.api:2.22.0]
	at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:579) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:88) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:138) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:375) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:190) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.core.impl.page.PageLockFilter.doFilter(PageLockFilter.java:91) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.personalization.impl.TargetComponentFilter.doFilter(TargetComponentFilter.java:94) [com.day.cq.cq-personalization:5.12.48]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:283) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:88) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.dam.core.impl.assetlinkshare.AdhocAssetShareAuthHandler.doFilter(AdhocAssetShareAuthHandler.java:440) [com.day.cq.dam.cq-dam-core:5.12.346]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.cq.dam.webdav.impl.io.DamWebdavRequestFilter.doFilter(DamWebdavRequestFilter.java:132) [com.day.cq.dam.dam-webdav-support:1.4.6]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:84) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:84) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.core.impl.warp.TimeWarpFilter.doFilter(TimeWarpFilter.java:109) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.cq.social.ugcbase.security.impl.SaferSlingPostServlet.doFilter(SaferSlingPostServlet.java:126) [com.adobe.cq.social.cq-social-ugcbase-impl:2.5.3]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.dam.core.impl.servlet.DamContentDispositionFilter.doFilter(DamContentDispositionFilter.java:104) [com.day.cq.dam.cq-dam-core:5.12.346]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.dam.core.impl.servlet.ActivityRecordHandler.doFilter(ActivityRecordHandler.java:141) [com.day.cq.dam.cq-dam-core:5.12.346]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.granite.rest.impl.servlet.ApiResourceFilter.doFilter(ApiResourceFilter.java:70) [com.adobe.granite.rest.api:1.1.16.CQ650-B0005]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.granite.requests.logging.impl.RequestLoggerImpl.doFilter(RequestLoggerImpl.java:134) [com.adobe.granite.requests.logging:1.0.20]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.granite.rest.assets.impl.AssetContentDispositionFilter.doFilter(AssetContentDispositionFilter.java:96) [com.adobe.granite.rest.assets:1.0.58]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.core.impl.AuthoringUIModeServiceImpl.doFilter(AuthoringUIModeServiceImpl.java:394) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.mobile.core.impl.redirect.RedirectFilter.doFilter(RedirectFilter.java:248) [com.day.cq.wcm.cq-wcm-mobile-core:5.11.10]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:84) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:84) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:110) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.cq.social.commons.cors.CORSAuthenticationFilter.doFilter(CORSAuthenticationFilter.java:91) [com.adobe.cq.social.cq-social-commons:1.10.83]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.foundation.forms.FormsHandlingServletHelper.handleFilter(FormsHandlingServletHelper.java:226) [com.day.cq.wcm.cq-wcm-foundation:5.12.62]
	at com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet.doFilter(FormsHandlingServlet.java:138) [com.day.cq.wcm.cq-wcm-foundation:5.12.62]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.granite.optout.impl.OptOutFilter.doFilter(OptOutFilter.java:76) [com.adobe.granite.optout:1.0.0]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.foundation.forms.FormsHandlingServletHelper.handleFilter(FormsHandlingServletHelper.java:226) [com.day.cq.wcm.cq-wcm-foundation:5.12.62]
	at com.adobe.cq.wcm.core.components.internal.servlets.CoreFormHandlingServlet.doFilter(CoreFormHandlingServlet.java:123) [com.adobe.cq.core.wcm.components.core:2.19.0]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.day.cq.wcm.core.impl.WCMRequestFilter.doFilter(WCMRequestFilter.java:90) [com.day.cq.wcm.cq-wcm-core:5.12.216]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.cq.history.impl.HistoryRequestFilter.doFilter(HistoryRequestFilter.java:122) [com.adobe.cq.cq-history:5.10.6]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	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.B0004]
	at com.adobe.granite.httpcache.impl.InnerCacheFilter.doFilter(InnerCacheFilter.java:81) [com.adobe.granite.httpcache.core:1.0.8]
	at com.adobe.granite.httpcache.impl.InnerCacheFilter.doFilter(InnerCacheFilter.java:60) [com.adobe.granite.httpcache.core:1.0.8]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	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.B0004]
	at com.adobe.granite.csrf.impl.CSRFFilter.doFilter(CSRFFilter.java:217) [com.adobe.granite.csrf:1.0.20.CQ650-B0002]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.security.impl.ContentDispositionFilter.doFilter(ContentDispositionFilter.java:152) [org.apache.sling.security:1.1.16]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:84) [org.apache.sling.engine:2.7.10.B0004]
	at com.adobe.granite.resourceresolverhelper.impl.ResourceResolverHelperImpl.doFilter(ResourceResolverHelperImpl.java:83) [com.adobe.granite.resourceresolverhelper:1.0.4]
	at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:78) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.SlingRequestProcessorImpl.doProcessRequest(SlingRequestProcessorImpl.java:151) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:250) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:126) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:86) [org.apache.felix.http.jetty:4.2.2]
	at com.adobe.ams.environment.indicator.wcm.impl.AemEnvironmentIndicatorFilter.doFilter(AemEnvironmentIndicatorFilter.java:140) [com.adobe.ams.environment.indicator.bundle:1.0.0.SNAPSHOT]
	at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:149) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.2.2]
	at com.adobe.granite.license.impl.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:308) [com.adobe.granite.license:1.2.10]
	at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:149) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.2.2]
	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:149) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.2.2]
	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:149) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:73) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:149) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.sling.engine.impl.parameters.RequestParameterSupportConfigurer.doFilter(RequestParameterSupportConfigurer.java:67) [org.apache.sling.engine:2.7.10.B0004]
	at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:149) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.Dispatcher$1.doFilter(Dispatcher.java:152) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1000) [org.apache.felix.http.jetty:4.2.2]
	at com.adobe.granite.auth.oauth.impl.OAuthCallbackFilter.doFilter(OAuthCallbackFilter.java:69) [com.adobe.granite.auth.oauth:1.7.2]
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1006) [org.apache.felix.http.jetty:4.2.2]
	at com.adobe.granite.auth.ims.impl.IMSClusterExchangeTokenPreprocessor.doFilter(IMSClusterExchangeTokenPreprocessor.java:281) [com.adobe.granite.auth.ims:1.3.12.CQ650-B0014]
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1006) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:326) [org.apache.sling.security:1.1.16]
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1006) [org.apache.felix.http.jetty:4.2.2]
	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:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1006) [org.apache.felix.http.jetty:4.2.2]
	at com.adobe.ams.security.core.AMSSecurityFilter.doFilter(AMSSecurityFilter.java:56) [com.adobe.ams.dispatcher-filter-test-endpoint.core:0.0.2]
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1006) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.invokePreprocessors(WhiteboardManager.java:1010) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:94) [org.apache.felix.http.jetty:4.2.2]
	at org.apache.felix.http.base.internal.dispatch.DispatcherServlet.service(DispatcherServlet.java:49) [org.apache.felix.http.jetty:4.2.2]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) [org.apache.felix.http.servlet-api:1.2.0]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:554) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [org.apache.felix.http.jetty:4.2.2]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [org.apache.felix.http.jetty:4.2.2]
	at java.lang.Thread.run(Thread.java:748)


1 Accepted Solution

Avatar

Correct answer by
Employee Advisor

I checked the execution paths, and the only way I think which can lead to that is that the parameters to that POST are invalid (most likely that the collection path is not existent).

 

If you can reproduce this NPE, I would encourage you to set the loglevel DEBUG to the following packages:

  • org.apache.sling.resource.collection.impl
  • com.day.cq.dam.core.impl.collection.DamCollectionManager

  • com.day.cq.dam.core.impl.servlet.ResourceCollectionServlet

 

And then raise a ticket with Adobe support.

 

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6 Replies

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Community Advisor

Hi @Raja_Reddy 
Could you please add more details? What operations are you performing? which scenarios are you facing the issue?



Arun Patidar

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Community Advisor

Hi @arunpatidar 
Yesterday, the production Author instance experienced an outage. Upon reviewing the logs, we identified a critical error: java.lang.NullPointerException: null and  javax.jcr.PathNotFoundException: D. This exception suggests a problem with a path not being found in the Java Content Repository.

 



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Community Advisor

Hi @Raja_Reddy ,

On any specific operation are you seeing these errors?
Also let us know if you have written any custom logic for DAM assets management.
For preliminary investigation check the permissions to the resource (Path) you are trying to access. Try to compare it with other environment. There maybe one possibility the resource is working in your lower environment due to permission. In higher environments this may not be the case.

Thanks
Tarun

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Employee Advisor

Can you please check if you have another error message like "Invalid request ..." in front of that NPE?

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Community Advisor

Hi @Jörg_Hoh 

I'm not able to see any other errors. Apart from the above two, only those are indicated.



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Correct answer by
Employee Advisor

I checked the execution paths, and the only way I think which can lead to that is that the parameters to that POST are invalid (most likely that the collection path is not existent).

 

If you can reproduce this NPE, I would encourage you to set the loglevel DEBUG to the following packages:

  • org.apache.sling.resource.collection.impl
  • com.day.cq.dam.core.impl.collection.DamCollectionManager

  • com.day.cq.dam.core.impl.servlet.ResourceCollectionServlet

 

And then raise a ticket with Adobe support.