java - Jedis Returning same value even though the lua script removes it -

i using jedis , jedis connection pooling in app. using redis sorted set collection store data. in app using lua script poping data (remove). lua script contains 5 6 commands. app in multithreaded 1 used akka actor , attached jedis pool it. each thread have own jedis instance. @ point jedis returns same data more 1 akka thread.

here code,

public class xoredissortedsetcache<t> extends xorediscollectioncache<t> {  private static final string zpop = "local function zpop(tempkey) local val = redis.pcall('zrevrangebyscore', tempkey, 1, 0, 'withscores' , 'limit' , '0' , '1' ) if val redis.call('zrem', tempkey, val[1]) end return val end return zpop(keys[1])"; private static final byte[] zpop_bytes = zpop.getbytes(); private static final string zrandom_weighted_pop = "local function zrandomweightedpop(tempkey) local totalsize = redis.pcall('zcard', tempkey) if totalsize > 0 local maxscore = redis.pcall('zrevrange', tempkey, 0, 0, 'withscores') local minscore = redis.pcall('zrange', tempkey, 0, 0, 'withscores') local c = math.randomseed(redis.pcall('time')[1]) local randomindex = math.random(0, totalsize) local val = redis.pcall('zrangebyscore', tempkey, minscore[2], maxscore[2], 'withscores' , 'limit' , randomindex , 1) if val redis.pcall('zrem', tempkey, val[1]) end return val end end return zrandomweightedpop(keys[1])"; private static final byte[] zrandom_weighted_pop_bytes = zrandom_weighted_pop.getbytes();  final byte[] binclusiveb = { 0x5b, 0x0b }; final byte[] bexclusivec = { 0x28, 0x0c }; final byte[] blexminusinf = { 0x2d }; final byte[] blexplusinf = { 0x2b };  private static final jedispool jedis_pool = ((redisplugin)xoutil.getpluginbyclass(redisplugin.class)).jedispool(); private final serializer<t> serializer; private byte[] collectionname; private string namespace;  private final random randomgenerator; private int maxthreshold;  public xoredissortedsetcache(string namespace, string collectionname, class<t> persistentclass, int maxthreshold) {     super(namespace, collectionname, persistentclass);     randomgenerator = new random();     this.maxthreshold = maxthreshold; }  public final t pop() {     jedis jedis = null;     t value = null;     try{          int randscore = randomgenerator.nextint(100);         collection<byte[]> valuebytes = null;         byte[] valuebyte = null;          jedis = jedis_pool.getresource();         if(randscore <= this.maxthreshold) {             valuebytes = (collection<byte[]>) jedis.eval(zpop_bytes, 1, this.collectionname);         } else {             valuebytes = (collection<byte[]>) jedis.eval(zrandom_weighted_pop_bytes, 1, this.collectionname);         }         if(valuebytes != null && valuebytes.size() > 0) {             valuebyte = valuebytes.iterator().next();         }         if(valuebyte != null) {             value = (t) this.deserialize(valuebyte);         }     } catch(exception e) {         logger.error("error while popping value set.", e);     } finally{         if(jedis != null) {             jedis.close();         }     }     logger.info("poped value : " + value);     return value; } 

}

is because of lua script contains more commands? please give suggestion fix this.

here logs,

2015-07-23 18:39:04,159 - [info] - application in play-akka.actor.default-dispatcher-14  

poped value : 1315406::2349091862155::n/a

2015-07-23 18:39:04,333 - [info] - application in play-akka.actor.default-dispatcher-12 poped value : 1315406::2349091862155::n/a

2015-07-23 18:39:04,560 - [info] - application in play-akka.actor.default-dispatcher-11 poped value : 1315406::2349091862155::n/a

2015-07-23 18:39:04,560 - [info] - application in play-akka.actor.default-dispatcher-16 poped value : 1315406::2349091862155::n/a

2015-07-23 18:39:04,888 - [info] - application in play-akka.actor.default-dispatcher-12 poped value : 1315406::2349091862155::n/a

2015-07-23 18:39:04,891 - [info] - application in play-akka.actor.default-dispatcher-11 poped value : 1315406::2349091862155::n/a

also please mention mistake have done here.