fixed dropped database statements never completing their query

core/src/main/java/eu/mhsl/craftattack/spawn/core/database/Database.java

@@ -9,6 +9,7 @@ import java.sql.DriverManager;
 import java.sql.SQLException;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
@@ -36,7 +37,7 @@ public class Database {
         1, 1, 0, TimeUnit.MILLISECONDS,
         new ArrayBlockingQueue<>(1000),
         runnable -> new Thread(runnable, "Spawn-Database"),
-        (runnable, executor) -> Main.logger().warning("Database queue full, dropping statement")
+        new ThreadPoolExecutor.AbortPolicy()
     );
     private @Nullable Connection connection;
 
@@ -69,13 +70,19 @@ public class Database {
      */
     public void execute(String description, SqlAction action) {
         if(!this.isAvailable()) return;
+        try {
             this.executor.execute(() -> {
                 try {
                     action.run(this.getConnection());
                 } catch(SQLException e) {
                     this.handleError(description, e);
+                } catch(RuntimeException e) {
+                    Main.logger().log(Level.WARNING, String.format("Database: %s failed", description), e);
                 }
             });
+        } catch(RejectedExecutionException e) {
+            Main.logger().warning("Database queue full, dropping statement");
+        }
     }
 
     /**
@@ -87,6 +94,7 @@ public class Database {
             future.completeExceptionally(new IllegalStateException("No database configured"));
             return future;
         }
+        try {
             this.executor.execute(() -> {
                 try {
                     future.complete(query.run(this.getConnection()));
@@ -97,6 +105,10 @@ public class Database {
                     future.completeExceptionally(e);
                 }
             });
+        } catch(RejectedExecutionException e) {
+            Main.logger().warning("Database queue full, dropping statement");
+            future.completeExceptionally(e);
+        }
         return future;
     }