After doing some further debugging, I found something interesting. But since I'm new to Oak and just getting started, I don't know what to make of it yet.
The initial problem org.springframework.web.util.NestedServletException: Request processing failed; nested exception is javax.jcr.nodetype.ConstraintViolationException: OakConstraint0021: /documents/versiontest41.jpg[[nt:file, mix:referenceable, mix:versionable]]: Mandatory property jcr:predecessors not found in a new node ONLY occurs when I use the default repository as it is configured in the oak-standalone app (https://github.com/apache/jackrabbit-oak/tree/trunk/oak-examples/standalone). This is interesting, because the OP of this thread also referred to the oak-examples webapp (I'm using the standalone app, but still...). However, the problem DOES NOT occur when I don't use the default repo configuration but get the session from my own repository configuration (but using the same code/method for creating the node and adding the mixin). // 1. get the session from the default repository configured in Oak-Standalone by default (but with --mongo) => versionable mixin does not work private Session getRepositorySession1() throws Exception { Session session = repository.login(new SimpleCredentials("admin", "admin".toCharArray()), "default"); return session; } // 2. get the session from my hardcoded configuration, which is as below in the method. => versionable mixin works fine private Session getRepositorySession2() throws Exception { Repository repo; DocumentNodeStore nodeStore; DB db; db = new MongoClient("localhost", 27017).getDB("test5"); nodeStore = new DocumentMK.Builder().setMongoDB(db).getNodeStore(); repo = new Jcr(nodeStore).withAsyncIndexing().createRepository(); Session session = repo.login(new SimpleCredentials("admin", "admin".toCharArray()), "default"); return session; } Regards, Mathias -- View this message in context: http://jackrabbit.510166.n4.nabble.com/Mandatory-property-jcr-predecessors-not-found-in-a-new-node-tp4664014p4665905.html Sent from the Jackrabbit - Dev mailing list archive at Nabble.com.
