The package you provided installed fine. I tweaked mine and it now seems to work. The nodetypes.cnd file in the META-INF/vault folder has the following contents. At first I added another cnd file under apps/shared/nodetypes, but I didn't end up needing it. Thanks for the help.<'sling'='http://sling.apache.org/jcr/sling/1.0'><'nt'='http://www.jcp.org/jcr/nt/1.0'><'rep'='internal'><'testXmpExt'='testXmpExt'>[sling:Folder] > nt:folder - * (undefined) multiple - * (undefined) + * (nt:base) = sling:F...

I installed the package using package manager. Can you attach the package that you created so I can compare it to mine?

I tried both of the following and neither worked.<'testXmpExt'='testXmpExt'>

I tried adding this file under /apps/testproject/nodetype and it still didn't work.

Yes.  I have this.

I just tried that. I am getting an error in the log "Login Failure: all modules ignored". I completed the following to test this out:1. I added a user with the login = "data" and gave them the necessary permissions.2. I updated the configuration for the Apache Sling Service User Mapper Service to include the following entry:com.custom.dam.bl.services.CustomProductAssetsUploadProcess:datawrite=data 3. I added the following code:Map param = new HashMap();param.put(ResourceResolverFactory.SUBSERVIC...

That fixed it. I accidentally had that dependency in my pom file. Thanks for the help.I'm running into another issue in the code below. Asset asset = null; if (item.getWorkflowData().getPayloadType().equals("JCR_PATH")) { String path = item.getWorkflowData().getPayload().toString(); //Resource resource = this.getResourceResolver(session).getResource(path); Resource resource = resourceResolver.getResource(path); if (null != resource) { asset = DamUtil.resolveToAsset(resource); } else { log.error(...