Disable plugin when shops fail to load or reload

src/main/java/de/epiceric/shopchest/ShopChest.java

@@ -444,6 +444,12 @@ public class ShopChest extends JavaPlugin {
                 getLogger().info("Initialized " + result + " Shops");
                 debug("Initialized " + result + " Shops");
             }
+
+            @Override
+            public void onError(Throwable throwable) {
+                // Database connection probably failed => disable plugin to prevent more errors
+                getServer().getPluginManager().disablePlugin(ShopChest.this);
+            }
         });
     }
 

src/main/java/de/epiceric/shopchest/command/ShopCommandExecutor.java

@@ -198,6 +198,14 @@ class ShopCommandExecutor implements CommandExecutor {
                         new Replacement(Placeholder.AMOUNT, String.valueOf(result))));
                 plugin.debug(sender.getName() + " has reloaded " + result + " shops");
             }
+
+            @Override
+            public void onError(Throwable throwable) {
+                // Database connection probably failed => disable plugin to prevent more errors
+                sender.sendMessage(LanguageUtils.getMessage(Message.ERROR_OCCURRED, 
+                        new Replacement(Placeholder.ERROR, "No database access: Disabling ShopChest")));
+                Bukkit.getPluginManager().disablePlugin(plugin);
+            }
         });
     }
 

src/main/java/de/epiceric/shopchest/listeners/ShopUpdateListener.java

@@ -3,6 +3,8 @@ package de.epiceric.shopchest.listeners;
 import de.epiceric.shopchest.ShopChest;
 import de.epiceric.shopchest.shop.Shop;
 import de.epiceric.shopchest.utils.Callback;
+
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -94,6 +96,12 @@ public class ShopUpdateListener implements Listener {
                 plugin.getLogger().info(String.format("Reloaded %d shops because a new world '%s' was loaded", result, worldName));
                 plugin.debug(String.format("Reloaded %d shops because a new world '%s' was loaded", result, worldName));
             }
+
+            @Override
+            public void onError(Throwable throwable) {
+                // Database connection probably failed => disable plugin to prevent more errors
+                Bukkit.getPluginManager().disablePlugin(plugin);
+            }
         });
     }
 }

src/main/java/de/epiceric/shopchest/utils/ShopUtils.java

@@ -3,6 +3,7 @@ package de.epiceric.shopchest.utils;
 import de.epiceric.shopchest.ShopChest;
 import de.epiceric.shopchest.config.Config;
 import de.epiceric.shopchest.shop.Shop;
+
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.block.Chest;
@@ -256,11 +257,14 @@ public class ShopUtils {
                     @Override
                     public void onError(Throwable throwable) {
                         if (callback != null) callback.callSyncError(throwable);
-                        plugin.debug("Error while adding shops");
-                        plugin.debug(throwable);
                     }
                 });
             }
+
+            @Override
+            public void onError(Throwable throwable) {
+                if (callback != null) callback.callSyncError(throwable);
+            }
         });
     }