removed hazelcast because it is phoning home, see also:

#504

ivy.xml

@@ -14,7 +14,6 @@
       <dependency org="com.drewnoakes" name="metadata-extractor" rev="2.11.0"  />
       <dependency org="com.fasterxml.jackson.core" name="jackson-databind" rev="2.11.2"/>
       <dependency org="com.google.guava" name="guava" rev="25.1-jre" conf="compile->master"/>
-      <dependency org="com.hazelcast" name="hazelcast" rev="4.2" />
       <dependency org="com.ibm.icu" name="icu4j" rev="63.1"/>
       <dependency org="com.jcraft" name="jsch" rev="0.1.54" />
       <dependency org="com.twelvemonkeys.imageio" name="imageio-core" rev="3.3.2"/>

source/net/yacy/search/Switchboard.java

@@ -107,12 +107,6 @@
 import com.cybozu.labs.langdetect.DetectorFactory;
 import com.cybozu.labs.langdetect.LangDetectException;
 import com.google.common.io.Files;
-import com.hazelcast.config.Config;
-import com.hazelcast.config.InterfacesConfig;
-import com.hazelcast.config.JoinConfig;
-import com.hazelcast.config.NetworkConfig;
-import com.hazelcast.core.Hazelcast;
-import com.hazelcast.core.HazelcastInstance;
 
 import net.yacy.cora.date.AbstractFormatter;
 import net.yacy.cora.date.GenericFormatter;
@@ -311,7 +305,6 @@ public final class Switchboard extends serverSwitch {
     public LinkedBlockingQueue<String> trail; // connect infos from cytag servlet
     public SeedDB peers;
     public Set<String> localcluster_scan;
-    public HazelcastInstance localcluster_hazelcast;
     public WorkTables tables;
     public Tray tray;
     private long lastStats = 0; // time when the last row was written to the stats table
@@ -653,23 +646,6 @@ public boolean jobImpl() throws Exception {
                     }.start();
                 }
 
-                // initialize hazelcast
-                final InterfacesConfig interfacesConfig = new InterfacesConfig();
-                Domains.myIntranetIPs().forEach(ip -> interfacesConfig.addInterface(ip.getHostAddress()));
-                final NetworkConfig networkConfig = new NetworkConfig().setInterfaces(interfacesConfig);
-                final JoinConfig join = networkConfig.getJoin();
-                join.getMulticastConfig().setEnabled(true);
-                final Config config = new Config().setClusterName("YaCyP2P").setInstanceName("Peer").setNetworkConfig(networkConfig);
-                config.getCPSubsystemConfig().setCPMemberCount(3);
-                try {
-                    this.localcluster_hazelcast = Hazelcast.newHazelcastInstance(config);
-                    final String uuid = this.localcluster_hazelcast.getCluster().getLocalMember().getUuid().toString();
-                    this.localcluster_hazelcast.getMap("status").put(uuid, Memory.status());
-                } catch (final Exception e) {
-                    this.log.warn(e);
-                    this.localcluster_hazelcast = null;
-                }
-
                 // load domainList
                 try {
                     this.domainList = null;