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From Peter Fry <Peter....@aquilaheywood.co.uk>
Subject remove invalid child node entries script
Date Fri, 27 Jul 2012 12:55:44 GMT

I am using Apache Jackrabbit 2.4.1 (via Apache Chemistry JCR Bridge).

There are currently a number of corruptions in the repository:


2012-07-27 13:44:00,122 ERROR NodeState 'e06ec16d-4b1e-48f7-87a8-689ef747ce72' references
inexistent child '{}documents.xml' with id 'ec7c210c-ad26-4337-a616-0d4cecfedeb2' [org.apache.jackrabbit.core.persistence.bundle.ConsistencyCheckerImpl]

I am trying to figure out how I can translate this groovy script (also attached to the end
of this mail):


Apache Jackrabbit is currently deployed as a resource adapter archive (RAR file)  in JBoss
As 7.1. It is accessed within Apache Chemistry via the JCR 2 API with the session being obtained

Context ctx = new InitialContext();
Repository repository = (Repository) ctx.lookup("java:/jca/DocumentStore") ;
Session ses = repository.login(new SimpleCredentials("someone", "secret".toCharArray()), "REPO");

It is from this point on that I am unclear, can I obtain a node, cast it to NodeImpl and then
get its NodeState? The script below then suggest that I need the persistence manager but will
that be available accessing a session looked up via JNDI? If so how do I get it?



import info.magnolia.context.*;
import info.magnolia.*;
import java.util.*;
import info.magnolia.tools.*;
import org.apache.jackrabbit.core.state.*;

// define the repository:
reponame = "data";
hm = MgnlContext.getSystemContext().getHierarchyManager(reponame);

// configure the root node either by uuid or by path:
//node = hm.getContentByUUID("root_node_uuid");
node = hm.getContent("/path/to/root/node");

jcrNode = node.getJCRNode();
// The PersistenceManagerUtil class is part of the MagnoliaTools. Maybe someone can extend
the script so that we don't need the class?
pm = PersistenceManagerUtil.getPM(jcrNode);

def checkNode(jcrNode, prefix) {
  println(prefix + jcrNode.getName());
  state = pm.load(jcrNode.getNodeId());
  cl = new ChangeLog();
  childNodeEntries = state.getChildNodeEntries();
  for (childNodeEntry in childNodeEntries) {
    childnode = ContentUtil.getContentByUUID(reponame, childNodeEntry.getId().toString());
    if (childnode == null) {
      println("Subnode missing: " +childNodeEntry.getId().toString());
      // uncomment these lines if you want the corrupt child node entries to be deleted
/*      state.removeChildNodeEntry(childNodeEntry.getId());
    } else {
      // to visualize the hierarchy:

aquilaheywood - European Pensions Technology Provider of the Year 2012

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