fix: bug class involving rs usage.

src/engine/db/handlers/dbBuildingHandler.java

@@ -69,10 +69,12 @@ public class dbBuildingHandler extends dbHandlerBase {
 
             ResultSet rs = preparedStatement.executeQuery();
 
-            int objectUUID = (int) rs.getLong("UID");
+            if (rs.next()) {
+                int objectUUID = (int) rs.getLong("UID");
 
-            if (objectUUID > 0)
-                building = GET_BUILDINGBYUUID(objectUUID);
+                if (objectUUID > 0)
+                    building = GET_BUILDINGBYUUID(objectUUID);
+            }
 
         } catch (SQLException e) {
             throw new RuntimeException(e);

src/engine/db/handlers/dbGuildHandler.java

@@ -433,11 +433,12 @@ public class dbGuildHandler extends dbHandlerBase {
 
             ResultSet rs = preparedStatement.executeQuery();
 
-            int objectUUID = (int) rs.getLong("UID");
-
-            if (objectUUID > 0)
-                guild = GET_GUILD(objectUUID);
+            if (rs.next()) {
+                int objectUUID = (int) rs.getLong("UID");
 
+                if (objectUUID > 0)
+                    guild = GET_GUILD(objectUUID);
+            }
         } catch (SQLException e) {
             Logger.error(e);
         }

src/engine/db/handlers/dbItemHandler.java

@@ -95,11 +95,12 @@ public class dbItemHandler extends dbHandlerBase {
 
             ResultSet rs = preparedStatement.executeQuery();
 
-            int objectUUID = (int) rs.getLong("UID");
-
-            if (objectUUID > 0)
-                return GET_ITEM(objectUUID);
+            if (rs.next()) {
+                int objectUUID = (int) rs.getLong("UID");
 
+                if (objectUUID > 0)
+                    return GET_ITEM(objectUUID);
+            }
         } catch (SQLException e) {
             Logger.error(e);
         }

src/engine/db/handlers/dbMobHandler.java

@@ -57,11 +57,12 @@ public class dbMobHandler extends dbHandlerBase {
 
             ResultSet rs = preparedStatement.executeQuery();
 
-            int objectUUID = (int) rs.getLong("UID");
-
-            if (objectUUID > 0)
-                mobile = GET_MOB(objectUUID);
+            if (rs.next()) {
+                int objectUUID = (int) rs.getLong("UID");
 
+                if (objectUUID > 0)
+                    mobile = GET_MOB(objectUUID);
+            }
         } catch (SQLException e) {
             throw new RuntimeException(e);
         }

src/engine/db/handlers/dbNPCHandler.java

@@ -56,11 +56,12 @@ public class dbNPCHandler extends dbHandlerBase {
 
             ResultSet rs = preparedStatement.executeQuery();
 
-            int objectUUID = (int) rs.getLong("UID");
-
-            if (objectUUID > 0)
-                npc = GET_NPC(objectUUID);
+            if (rs.next()) {
+                int objectUUID = (int) rs.getLong("UID");
 
+                if (objectUUID > 0)
+                    npc = GET_NPC(objectUUID);
+            }
         } catch (SQLException e) {
             throw new RuntimeException(e);
         }

src/engine/db/handlers/dbPlayerCharacterHandler.java

@@ -61,11 +61,13 @@ public class dbPlayerCharacterHandler extends dbHandlerBase {
 
             ResultSet rs = preparedStatement.executeQuery();
 
-            int objectUUID = (int) rs.getLong("UID");
+            if (rs.next()) {
 
-            if (objectUUID > 0)
-                playerCharacter = GET_PLAYER_CHARACTER(objectUUID);
+                int objectUUID = (int) rs.getLong("UID");
 
+                if (objectUUID > 0)
+                    playerCharacter = GET_PLAYER_CHARACTER(objectUUID);
+            }
         } catch (SQLException e) {
             Logger.error(e);
         }