Finding SNS nodes

Find same name sibling(SNS) nodes

Before Jackrabbit Oak, it was possible to create same name sibling nodes(SNS) in CRX 2.

However, to upgrade to CRX 3 Oak, those nodes need to be removed.

To find those nodes, use the Groovy script below in Felix script console.

Once installed, the script console is available at /system/console/scriptconsole.

Don't forget to install the Groovy bundle after installing Script console.

The script logs the SNS nodes paths in a logger named sns that you need to create in the OSGI console.

properties of sns logger:

org.apache.sling.commons.log.pattern="{5}"
org.apache.sling.commons.log.names="sns"]
org.apache.sling.commons.log.file="logs/sns.log"
org.apache.sling.commons.log.level="debug"

Groovy script

def traverseAndLogSNS(node, session, log){
 if(node.index != 1) {
  log.info(node.path)
  //session.removeItem(node.path)
  return
 }
 if(node.hasNodes()) {
  def ni = node.nodes
  while(ni.hasNext()){
   traverseAndLogSNS(ni.nextNode(), session, log)
  }
 }
}

def repo = osgi.getService(org.apache.sling.jcr.api.SlingRepository)
def session = repo.loginAdministrative(null)
def root = session.getRootNode()
def log = org.slf4j.LoggerFactory.getLogger("sns")

traverseAndLogSNS(root, session, log)

session.save()
session.logout()

The script can be esily adapted to log only sns nodes under a certain path.

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