Program: 42039
Project: 42039
Buggy source:
public void loadPlotsAsynchronously(final IWorld world){
  plugin.getServerBridge().runTaskAsynchronously(new Runnable(){
    @Override public void run(){
      plugin.getLogger().info("String_Node_Str" + world);
      ArrayList<Plot> plots=getPlots(world);
      worldToPlotMap.put(world,plots);
      PlotWorldLoadEvent eventWorld=new PlotWorldLoadEvent(world,plots.size());
      plugin.getEventBus().post(eventWorld);
      for (      Plot plot : plots) {
        PlotLoadEvent event=new PlotLoadEvent(world,plot);
        plugin.getEventBus().post(event);
      }
    }
    private ArrayList<Plot> getPlots(    IWorld world){
      ArrayList<Plot> ret=new ArrayList<>();
      Connection connection=getConnection();
      try (PreparedStatement statementPlot=connection.prepareStatement("String_Node_Str");PreparedStatement statementAllowed=connection.prepareStatement("String_Node_Str");PreparedStatement statementDenied=connection.prepareStatement("String_Node_Str");PreparedStatement statementLikes=connection.prepareStatement("String_Node_Str");PreparedStatement statementMetadata=connection.prepareStatement("String_Node_Str")){
        statementPlot.setString(1,world.getName().toLowerCase());
        try (ResultSet setPlots=statementPlot.executeQuery()){
          while (setPlots.next()) {
            long internalID=setPlots.getLong("String_Node_Str");
            PlotId id=new PlotId(setPlots.getInt("String_Node_Str"),setPlots.getInt("String_Node_Str"));
            plotIds.add(id);
            String owner=setPlots.getString("String_Node_Str");
            UUID ownerId=UUID.fromString(setPlots.getString("String_Node_Str"));
            String biome=setPlots.getString("String_Node_Str");
            Date expiredDate=setPlots.getDate("String_Node_Str");
            boolean finished=setPlots.getBoolean("String_Node_Str");
            String finishedDate=setPlots.getString("String_Node_Str");
            String createdDate=setPlots.getString("String_Node_Str");
            double price=setPlots.getDouble("String_Node_Str");
            boolean forSale=setPlots.getBoolean("String_Node_Str");
            boolean protect=setPlots.getBoolean("String_Node_Str");
            String plotName=setPlots.getString("String_Node_Str");
            int plotLikes=setPlots.getInt("String_Node_Str");
            Vector topLoc=new Vector(setPlots.getInt("String_Node_Str"),255,setPlots.getInt("String_Node_Str"));
            Vector bottomLoc=new Vector(setPlots.getInt("String_Node_Str"),0,setPlots.getInt("String_Node_Str"));
            HashMap<String,Map<String,String>> metadata=new HashMap<>();
            HashMap<String,Plot.AccessLevel> allowed=new HashMap<>();
            HashSet<String> denied=new HashSet<>();
            HashSet<UUID> likers=new HashSet<>();
            statementAllowed.setLong(1,internalID);
            try (ResultSet setAllowed=statementAllowed.executeQuery()){
              while (setAllowed.next()) {
                allowed.put(setAllowed.getString("String_Node_Str"),Plot.AccessLevel.getAccessLevel(setAllowed.getInt("String_Node_Str")));
              }
            }
             statementDenied.setLong(1,internalID);
            try (ResultSet setDenied=statementAllowed.executeQuery()){
              while (setDenied.next()) {
                denied.add(setDenied.getString("String_Node_Str"));
              }
            }
             statementLikes.setLong(1,internalID);
            try (ResultSet setLikes=statementLikes.executeQuery()){
              while (setLikes.next()) {
                likers.add(UUID.fromString(setLikes.getString("String_Node_Str")));
              }
            }
             statementMetadata.setLong(1,internalID);
            try (ResultSet setMetadata=statementMetadata.executeQuery()){
              while (setMetadata.next()) {
                String pluginname=setMetadata.getString("String_Node_Str");
                String propertyname=setMetadata.getString("String_Node_Str");
                String propertyvalue=setMetadata.getString("String_Node_Str");
                if (!metadata.containsKey(pluginname)) {
                  metadata.put(pluginname,new HashMap<String,String>());
                }
                metadata.get(pluginname).put(propertyname,propertyvalue);
              }
            }
             Plot plot=new Plot(internalID,owner,ownerId,world,biome,expiredDate,allowed,denied,likers,id,price,forSale,finished,finishedDate,protect,metadata,plotLikes,plotName,topLoc,bottomLoc,createdDate);
            ret.add(plot);
          }
        }
       }
 catch (      SQLException ex) {
        plugin.getLogger().severe("String_Node_Str");
        plugin.getLogger().severe(ex.getMessage());
      }
      return ret;
    }
  }
);
}

Fixed version (ground truth):
public void loadPlotsAsynchronously(final IWorld world){
  plugin.getServerBridge().runTaskAsynchronously(new Runnable(){
    @Override public void run(){
      plugin.getLogger().info("String_Node_Str" + world.getName());
      ArrayList<Plot> plots=getPlots(world);
      worldToPlotMap.put(world,plots);
      PlotWorldLoadEvent eventWorld=new PlotWorldLoadEvent(world,plots.size());
      plugin.getEventBus().post(eventWorld);
      for (      Plot plot : plots) {
        PlotLoadEvent event=new PlotLoadEvent(world,plot);
        plugin.getEventBus().post(event);
      }
    }
    private ArrayList<Plot> getPlots(    IWorld world){
      ArrayList<Plot> ret=new ArrayList<>();
      Connection connection=getConnection();
      try (PreparedStatement statementPlot=connection.prepareStatement("String_Node_Str");PreparedStatement statementAllowed=connection.prepareStatement("String_Node_Str");PreparedStatement statementDenied=connection.prepareStatement("String_Node_Str");PreparedStatement statementLikes=connection.prepareStatement("String_Node_Str");PreparedStatement statementMetadata=connection.prepareStatement("String_Node_Str")){
        statementPlot.setString(1,world.getName().toLowerCase());
        try (ResultSet setPlots=statementPlot.executeQuery()){
          while (setPlots.next()) {
            long internalID=setPlots.getLong("String_Node_Str");
            PlotId id=new PlotId(setPlots.getInt("String_Node_Str"),setPlots.getInt("String_Node_Str"));
            plotIds.add(id);
            String owner=setPlots.getString("String_Node_Str");
            UUID ownerId=UUID.fromString(setPlots.getString("String_Node_Str"));
            String biome=setPlots.getString("String_Node_Str");
            Date expiredDate=setPlots.getDate("String_Node_Str");
            boolean finished=setPlots.getBoolean("String_Node_Str");
            String finishedDate=setPlots.getString("String_Node_Str");
            String createdDate=setPlots.getString("String_Node_Str");
            double price=setPlots.getDouble("String_Node_Str");
            boolean forSale=setPlots.getBoolean("String_Node_Str");
            boolean protect=setPlots.getBoolean("String_Node_Str");
            String plotName=setPlots.getString("String_Node_Str");
            int plotLikes=setPlots.getInt("String_Node_Str");
            Vector topLoc=new Vector(setPlots.getInt("String_Node_Str"),255,setPlots.getInt("String_Node_Str"));
            Vector bottomLoc=new Vector(setPlots.getInt("String_Node_Str"),0,setPlots.getInt("String_Node_Str"));
            HashMap<String,Map<String,String>> metadata=new HashMap<>();
            HashMap<String,Plot.AccessLevel> allowed=new HashMap<>();
            HashSet<String> denied=new HashSet<>();
            HashSet<UUID> likers=new HashSet<>();
            statementAllowed.setLong(1,internalID);
            try (ResultSet setAllowed=statementAllowed.executeQuery()){
              while (setAllowed.next()) {
                allowed.put(setAllowed.getString("String_Node_Str"),Plot.AccessLevel.getAccessLevel(setAllowed.getInt("String_Node_Str")));
              }
            }
             statementDenied.setLong(1,internalID);
            try (ResultSet setDenied=statementAllowed.executeQuery()){
              while (setDenied.next()) {
                denied.add(setDenied.getString("String_Node_Str"));
              }
            }
             statementLikes.setLong(1,internalID);
            try (ResultSet setLikes=statementLikes.executeQuery()){
              while (setLikes.next()) {
                likers.add(UUID.fromString(setLikes.getString("String_Node_Str")));
              }
            }
             statementMetadata.setLong(1,internalID);
            try (ResultSet setMetadata=statementMetadata.executeQuery()){
              while (setMetadata.next()) {
                String pluginname=setMetadata.getString("String_Node_Str");
                String propertyname=setMetadata.getString("String_Node_Str");
                String propertyvalue=setMetadata.getString("String_Node_Str");
                if (!metadata.containsKey(pluginname)) {
                  metadata.put(pluginname,new HashMap<String,String>());
                }
                metadata.get(pluginname).put(propertyname,propertyvalue);
              }
            }
             Plot plot=new Plot(internalID,owner,ownerId,world,biome,expiredDate,allowed,denied,likers,id,price,forSale,finished,finishedDate,protect,metadata,plotLikes,plotName,topLoc,bottomLoc,createdDate);
            ret.add(plot);
          }
        }
       }
 catch (      SQLException ex) {
        plugin.getLogger().severe("String_Node_Str");
        plugin.getLogger().severe(ex.getMessage());
      }
      return ret;
    }
  }
);
}