diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/MinecraftVersion.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/MinecraftVersion.java
index 40fc7f7d..948abf05 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/MinecraftVersion.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/MinecraftVersion.java
@@ -33,6 +33,7 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+@DebugDump
 public class MinecraftVersion implements Comparable<MinecraftVersion> {
 
 	private static final Pattern VERSION_REGEX = Pattern.compile("(?:(?<major>\\d+)\\.(?<minor>\\d+))(?:\\.(?<patch>\\d+))?(?:\\-(?:pre|rc)\\d+)?");
@@ -41,10 +42,8 @@ public class MinecraftVersion implements Comparable<MinecraftVersion> {
 	public static final MinecraftVersion EARLIEST_SUPPORTED = new MinecraftVersion(1, 12, 2);
 	public static final MinecraftVersion THE_FLATTENING = new MinecraftVersion(1, 13);
 
-	@DebugDump
 	private final int major, minor, patch;
 
-	@DebugDump
 	private final Lazy<MinecraftResource> resource;
 
 	public MinecraftVersion(int major, int minor) {
@@ -142,6 +141,7 @@ public static MinecraftVersion of(String versionString) {
 		return new MinecraftVersion(major, minor, patch);
 	}
 
+	@DebugDump
 	public enum MinecraftResource {
 
 		MC_1_12 (new MinecraftVersion(1, 12), "mc1_12", "https://launcher.mojang.com/v1/objects/0f275bc1547d01fa5f56ba34bdc87d981ee12daf/client.jar"),
@@ -152,9 +152,9 @@ public enum MinecraftResource {
 		MC_1_16_2 (new MinecraftVersion(1, 16, 2), "mc1_16", "https://launcher.mojang.com/v1/objects/653e97a2d1d76f87653f02242d243cdee48a5144/client.jar"),
 		MC_1_17 (new MinecraftVersion(1, 17), "mc1_16", "https://launcher.mojang.com/v1/objects/1cf89c77ed5e72401b869f66410934804f3d6f52/client.jar");
 
-		@DebugDump private final MinecraftVersion version;
-		@DebugDump private final String resourcePrefix;
-		@DebugDump private final String clientUrl;
+		private final MinecraftVersion version;
+		private final String resourcePrefix;
+		private final String clientUrl;
 
 		MinecraftResource(MinecraftVersion version, String resourcePrefix, String clientUrl) {
 			this.version = version;
diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/config/CoreConfig.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/config/CoreConfig.java
index e57c84ec..0708ea69 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/config/CoreConfig.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/config/CoreConfig.java
@@ -30,14 +30,14 @@
 import java.io.File;
 import java.io.IOException;
 
+@DebugDump
 public class CoreConfig {
 	
-	@DebugDump private boolean downloadAccepted = false;
-	@DebugDump private int renderThreadCount = 0;
-	@DebugDump private boolean metricsEnabled = false;
-	@DebugDump private File dataFolder = new File("data");
-	
-	
+	private boolean downloadAccepted = false;
+	private int renderThreadCount = 0;
+	private boolean metricsEnabled = false;
+	private File dataFolder = new File("data");
+
 	public CoreConfig(ConfigurationNode node) throws IOException {
 		
 		//accept-download
diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/BmMap.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/BmMap.java
index 7d7bb315..25be6188 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/BmMap.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/BmMap.java
@@ -182,5 +182,15 @@ public boolean equals(Object obj) {
 		
 		return false;
 	}
-	
+
+	@Override
+	public String toString() {
+		return "BmMap{" +
+			   "id='" + id + '\'' +
+			   ", name='" + name + '\'' +
+			   ", world=" + world +
+			   ", fileRoot=" + fileRoot +
+			   '}';
+	}
+
 }
diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
index 076063e1..57941216 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
@@ -422,5 +422,14 @@ public static Vector2i blockToChunk(Vector3i pos) {
 				pos.getZ() >> 4
 			);
 	}
-	
+
+	@Override
+	public String toString() {
+		return "MCAWorld{" +
+			   "uuid=" + uuid +
+			   ", worldFolder=" + worldFolder +
+			   ", name='" + name + '\'' +
+			   '}';
+	}
+
 }