I also faced similar issue. Unicode character(special characters) passed as a request parameter getting converted to question mark(?).Reason : Reason is the character encoding.Solution :# Solution 11. Configure 'Apache Sling Request Parameter Handling', Set the property 'Default Parameter Encoding'=...

@arvindp66202646  I also faced similar issue while performing AEM upgrade from 6.3 to 6.5 SP4Reason - Reason is the response header ‘content-disposition: attachment’. Solution : There are two possible solutions -#Solution1 -Control the content-disposition using 'Apache Sling Content Disposition Filt...

@salmana68849090 , @Jaideep_Brar , I also faced similar issue while doing the AEM upgrade from AEM 6.3 to 6.5 SP4. The issue got resolved.Error Log -27.03.2020 12:03:14.328 *WARN* [10.202.47.202 [1585335794320] GET /mnt/overlay/granite/ui/content/shell/header/actions/pulse.data.json HTTP/1.1] com.ad...

I also faced similar error while upgrading from AEM 6.3 to 6.5 SP4.  Error Log -24.03.2020 15:09:40.573 *ERROR* [qtp1041007297-2360] org.apache.felix.http.jetty %bundles.pluginTitle: Cannot start (org.osgi.framework.BundleException: Unable to resolve com.XXX.XXXX.XXX [590](R 590.0): missing requirem...

@jineetv21622325 , I also faced similar error while upgrading from AEM 6.3 to 6.5 SP4.  Error Log -24.03.2020 15:09:40.573 *ERROR* [qtp1041007297-2360] org.apache.felix.http.jetty %bundles.pluginTitle: Cannot start (org.osgi.framework.BundleException: Unable to resolve com.XXX.XXXX.XXX [590](R 590.0...

@monikam6817093 , I also faced similar issue. '/system/console/slinglog' was not getting loaded. Error Log -07.04.2020 10:12:45.297 *ERROR* [qtp1407899993-6020] org.apache.felix.http.jetty Exception while processing request to /system/console/slinglog (java.lang.NullPointerException)java.lang.NullPo...