I am also facing similar issue where it works for the first time and throws NPE from 2nd time onwards. Any resolution to this ? The logs don't tell exact details about the node / page which has issue.  ++ @kautuk_sahni

Thanks @Vijayalakshmi_S. I am on AEM 6.3.

@Vijayalakshmi_S: I got the point around OSGi config . My question was around how to create the workflow purge task under weekly maintenance. Currently one of the lower environment shows below setup in my case. There is no item. How do I add Workflow Purge item here via code so that I don't have to ...

++ @kautuk_sahni

Thanks @Vijayalakshmi_S. However, how do I make the Workflow Purge task under Maintenance code driven ? I can make OSGi config code driven but would need to add the Workflow Purge Task manually to all the environments till production ?

I am trying to setup an OSGi config for workflow purge activities as mentioned in https://adobe-consulting-services.github.io/acs-aem-commons/features/workflow-remover/index.html How do I setup the OSGi configuration such that it purges workflow instances which are in completed state for more than 6...

I am unable to access the tutorial to setup Dispatcher in Mac as mentioned in Adobe Experience Manager Help | Set up AEM Dispatcher on macOS . It goes to 404. Has the location changed ? 

I am trying to find below references in a Page.  DAM AssetsTagsTemplatesBlueprintI am using AssetReferenceSearch class to find DAM Assets references. Similar to this are there any other classes that can be used to retrieve rest of the references ?  While we publish a page, it lists all references wh...

When a user does not have rights to publish a page, he sees "Request publication" button in Touch UI editor mode.If there are assets attached to page which are in unpublished state, it will take the user to wizard where he can select the required assets and send to workflow for admin user publish re...

I can't have multiple participant step one after the other because all of them have to be siblings of each other (at same level in hierarchy) and should not block each other in notification. Is there any way, we can return multiple participants using ParticipantStepChooser interface (or any other cl...