Thursday, June 11, 2020

CRXDE and Package manager not accessible in AEM publisher - com.day.crx.delite.impl.servlets.InitServlet Error while retrieving infos

CRXDE and Package manager not accessible in AEM publisher - com.day.crx.delite.impl.servlets.InitServlet Error while retrieving infos


I was facing an issue while accessing the CRXDE and Package manager on AEM publisher, the pages displayed as blank and keep loading

aem-crxde-package-manager-not-loading

The response to the "http://localhost:4503/crx/de/init.jsp?_dc=1591923460206"  service was 500

aem-crxde-package-manager-not-loading

The below exception was seen in the error log file

11.06.2020 19:49:20.558 *ERROR* [qtp1936302775-72] com.day.crx.delite.impl.servlets.InitServlet Error while retrieving infos
java.lang.NullPointerException: null
at com.day.crx.delite.impl.servlets.InitServlet.getFormattedName(InitServlet.java:126) [com.adobe.granite.crxde-lite:1.1.42]
at com.day.crx.delite.impl.servlets.InitServlet.doService(InitServlet.java:84) [com.adobe.granite.crxde-lite:1.1.42]
at com.day.crx.delite.impl.AbstractServlet.service(AbstractServlet.java:52) [com.adobe.granite.crxde-lite:1.1.42]
at com.day.crx.delite.impl.MainServlet.doService(MainServlet.java:132) [com.adobe.granite.crxde-lite:1.1.42]
at com.day.crx.delite.impl.MainServlet.service(MainServlet.java:109) [com.adobe.granite.crxde-lite:1.1.42]
at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:123) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:86) [org.apache.felix.http.jetty:4.0.8]
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:142) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
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:4.0.8]
at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.dispatch.Dispatcher$1.doFilter(Dispatcher.java:146) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1002) [org.apache.felix.http.jetty:4.0.8]
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:136) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008) [org.apache.felix.http.jetty:4.0.8]
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:136) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.invokePreprocessors(WhiteboardManager.java:1012) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:91) [org.apache.felix.http.jetty:4.0.8]
at org.apache.felix.http.base.internal.dispatch.DispatcherServlet.service(DispatcherServlet.java:49) [org.apache.felix.http.jetty:4.0.8]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [org.apache.felix.http.servlet-api:1.1.2]
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1701) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1668) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.Server.handle(Server.java:502) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) [org.apache.felix.http.jetty:4.0.8]
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) [org.apache.felix.http.jetty:4.0.8]
at java.base/java.lang.Thread.run(Thread.java:834)

The CRXDE/Package Manager was accessible by login through crx/explorer(http://localhost:4503/crx/explorer/index.jsp) or through system/console(http://localhost:4503/system/console) but not directly.

After analysis, identified the issue can happen in one of the below scenarios
  • Read access for the anonymous user to read own user node has removed
  • Anonymous user deleted by mistake
The actual root cause for our issue was first scenario -  Read access for the anonymous user to read own user node has removed, the anonymous user did not have the permission to access own user node - by default AEM enables the read permission to the anonymous user to access its own user node.

The issue was caused after accidentally removing the read access to anonymous user to read own user node.

aem-crxde-package-manager-not-loading

aem-crxde-package-manager-not-loading


The issue got resolved after re-enabling the read access for anonymous user to own user node

aem-crxde-package-manager-not-loading


aem-crxde-package-manager-not-loading


Another option to resolve the issue is deleting the anonymous user(or deleted accidentally ) and restarting the server - the anonymous user recreated upon restart but unfortunately AEM not enabling the read access for the anonymous user to own user node on recreation - the permission was enabled only during the initial server setup.

The  problem should be addressed by enabling the read permission manually.


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