groovy hscan empty results

@Grab(group='redis.clients', module='jedis', version='3.7.0')

import redis.clients.jedis.*

int SCAN_COUNT = 100;

hostname = "127.0.0.1"
port=6379
password=""

hashId="myHash"


Jedis jedis = new Jedis(hostname, port)
if (password != null && password.size() > 0){
    jedis.auth(password);
}

currentCursor = ScanParams.SCAN_POINTER_START;
Set<String> idsRecovered = new HashSet<>() // To control if there's any data repeated
long t = System.currentTimeMillis();
toPrint = [ 'cdrs': 0, 'scans' : 0 , 'zeros' : 0, 'batchs' : 0, 'repeated' : 0 ]
while (true) {
    currentCursor = ScanParams.SCAN_POINTER_START; // Here lies the problem
    List<String> myDeletingKeys = new ArrayList<>();
    while (true) {
        previousCursor = currentCursor
        ScanParams scanParams = new ScanParams().count(SCAN_COUNT);
        def hscanResult = jedis.hscan(hashId, currentCursor, scanParams);
        currentCursor = hscanResult.getCursor();
        currentData = hscanResult.result
        currentData.forEach( {
            myDeletingKeys.add(it.key)
            if (!idsRecovered.add(it.key)) {
                toPrint['repeated']++
            }
        })
        toPrint['scans']++
        if (currentData.isEmpty() && !hscanResult.isCompleteIteration()) {
            toPrint['zeros']++
        }
        toPrint['cdrs'] += currentData.size()
        println "${toPrint} results: ${currentData.size()} previousCursor ${previousCursor} currentCursor: ${currentCursor}"
        if (hscanResult.isCompleteIteration()) {
            break;
        }
        if (toPrint['scans'] % 20 == 0) {
            break;
        }
    }
    toPrint['batchs']++
    currentSize = jedis.hlen(hashId)
    println "Map is ${currentSize} and ${toPrint} and im going to delete ${myDeletingKeys.size()}"
    println "Deleting elements"
    if (!myDeletingKeys.isEmpty()) {
        String[] toDelArray = myDeletingKeys.toArray(new String[myDeletingKeys.size()])
        jedis.hdel(poolId, toDelArray)
    }

    currentSize = getWithJedis( { jedis -> jedis.hlen(hashId)})
    doWithJedis( { it.ping() })
    println "Map is ${currentSize} and ${toPrint}"
    if (currentSize == 0) {
        break
    }
    if (toPrint['scans'] % 150010 == 0) {
        break
    }
    if (toPrint['batchs'] % 15000 == 0) {
        break
    }
}

long tttTotal = System.currentTimeMillis() - t

print """
End !
Cdrs ${toPrint['cdrs']}
Repeated ${toPrint['repeated']}
Scans ${toPrint['scans']}
Zeros ${toPrint['zeros']}
Batchs ${toPrint['batchs']}
t ${tttTotal}
"""

doWithJedis( { it.del(hashId)})
jedisPool.close()