Invalid Mongo connection.

i want parrell use 'parfor' of my matlab but i cant. if change code 'parfor' to 'for' it is run why???

--my code--

 % READ ME
 % USAGE : compareInDB('20170422_120414.jpg','/home/capse/Desktop/surf')

 function  compareInDB(img)
 path_directory='/home/capse/Desktop/';
 boximg=[path_directory img];
 boxImage = imread(boximg);
 boxImage = rgb2gray(boxImage);
 boxImage = imresize(boxImage, 0.03); 
 boxPoints = detectSURFFeatures(boxImage);
 [boxFeatures, boxPoints] = extractFeatures(boxImage, boxPoints);
 dlmwrite('box_txt.txt',boxFeatures);
 box_txt = dlmread('box_txt.txt');

 server = "localhost";
 port = 27017;
 dbname = "capse";
 conn = mongo(server,port,dbname)
 collection = "Capse_MDB";
 isopen(conn);
 mongoq = '{ "index" : null } ,{"_id" : 0, "name": 1 ,"surf" : 1}';
 n = find(conn,collection,'Query',mongoq);
 sizeN = size(n);
 num = sizeN(1);

 outputs = cell(1, num);
 outnums = cell(1, num);
 tic
 COUNT = 0;

 parfor j = 1 : num

    if(1 == 1)
    name= n(j).name; 
    mongoquery = strcat( '{"name" : "' ,name,'"}') ;
    documents = find(conn,collection,'Query',mongoquery);
    scene_txt = documents.surf;
      COUNT = COUNT +1;
        boxPairs = matchFeatures(box_txt,scene_txt);
        if(length(boxPairs)>0)  
          outputs{j} = n(j).name;
          outnums{j}= length(boxPairs)
        else
          outputs{j} = [];
        end
    else
      outputs{j} = [];
    end
 end
 num_outputs = 0;

 i=1;
 max = 0;
 for j = 1 : num
     if ~isempty(outnums{j})
         if (outnums{j}>max)
             max = outnums{j};
             idx = j;
             num_outputs = num_outputs + 1;
         end
     end
 end
 fprintf(' COUNT %d', COUNT);
 fprintf(' anser %s \n', outputs{idx});
 fprintf(' match_nums %d \n' , outnums{idx});
toc
 if num_outputs == 0
    fprintf('No anser\n');
 end

 close(conn)

---capture

---error log---

>> compareInDB('20170422_120414.jpg')

conn =

mongo with properties:

               Database: 'capse'
               UserName: ''
                 Server: {'localhost'}
                   Port: 27017
        CollectionNames: {'Capse_MDB'}
         TotalDocuments: 153

Starting parallel pool (parpool) using the 'local' profile ... connected to 4 workers. Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 444) In compareInDB (line 31) Analyzing and transferring files to the workers ...done. Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: DB{name='capse'} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Warning: Mongo{options=MongoClientOptions{description='null', applicationName='null', readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, fsync=null, journal=null, readConcern=com.mongodb.ReadConcern@0, codecRegistry=org.bson.codecs.configuration.ProvidersCodecRegistry@ae1a5626, commandListeners=[], clusterListeners=[], serverListeners=[], serverMonitorListeners=[], minConnectionsPerHost=0, maxConnectionsPerHost=100, threadsAllowedToBlockForConnectionMultiplier=5, serverSelectionTimeout=10000, maxWaitTime=120000, maxConnectionIdleTime=0, maxConnectionLifeTime=0, connectTimeout=10000, socketTimeout=0, socketKeepAlive=false, sslEnabled=false, sslInvalidHostNamesAllowed=false, alwaysUseMBeans=false, heartbeatFrequency=10000, minHeartbeatFrequency=500, heartbeatConnectTimeout=20000, heartbeatSocketTimeout=20000, localThreshold=15, requiredReplicaSetName='null', dbDecoderFactory=com.mongodb.DefaultDBDecoder$1@4d774249, dbEncoderFactory=com.mongodb.DefaultDBEncoder$1@17b64941, socketFactory=null, cursorFinalizerEnabled=true, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitQueueSize=500, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=20000, readTimeoutMS=20000, keepAlive=false, receiveBufferSize=0, sendBufferSize=0}}} is not serializable > In parallel.internal.pool.serialize (line 8) In distcomp.remoteparfor (line 174) In parallel_function>iMakeRemoteParfor (line 1065) In parallel_function (line 628) In compareInDB (line 31) Error using mongo/find (line 745) Invalid Mongo connection.

Error in compareInDB (line 31) parfor j = 1 : num