diff --git a/src/main/java/me/cortex/voxy/client/core/gl/shader/Shader.java b/src/main/java/me/cortex/voxy/client/core/gl/shader/Shader.java
index 3d117f25..4d606615 100644
--- a/src/main/java/me/cortex/voxy/client/core/gl/shader/Shader.java
+++ b/src/main/java/me/cortex/voxy/client/core/gl/shader/Shader.java
@@ -175,7 +175,7 @@ public class Shader extends TrackedObject {
             String log = GL20C.glGetShaderInfoLog(shader);
 
             if (!log.isEmpty()) {
-                System.err.println(log);
+                Logger.warn(log);
             }
 
             int result = GL20C.glGetShaderi(shader, GL20C.GL_COMPILE_STATUS);
diff --git a/src/main/java/me/cortex/voxy/client/core/model/ModelFactory.java b/src/main/java/me/cortex/voxy/client/core/model/ModelFactory.java
index 5f6c0150..5e9bbb55 100644
--- a/src/main/java/me/cortex/voxy/client/core/model/ModelFactory.java
+++ b/src/main/java/me/cortex/voxy/client/core/model/ModelFactory.java
@@ -8,6 +8,7 @@ import me.cortex.voxy.client.core.gl.Capabilities;
 import me.cortex.voxy.client.core.model.bakery.ModelTextureBakery;
 import me.cortex.voxy.client.core.rendering.util.RawDownloadStream;
 import me.cortex.voxy.client.core.rendering.util.UploadStream;
+import me.cortex.voxy.common.Logger;
 import me.cortex.voxy.common.util.MemoryBuffer;
 import me.cortex.voxy.common.world.other.Mapper;
 import net.minecraft.block.Block;
@@ -490,7 +491,7 @@ public class ModelFactory {
             throw new IllegalStateException("Biome was put in an id that was not null");
         }
         if (oldBiome == biome) {
-            System.err.println("Biome added was a duplicate");
+            Logger.error("Biome added was a duplicate");
         }
 
         int i = 0;
diff --git a/src/main/java/me/cortex/voxy/common/config/storage/other/FragmentedStorageBackendAdaptor.java b/src/main/java/me/cortex/voxy/common/config/storage/other/FragmentedStorageBackendAdaptor.java
index 8f6a62e5..652d0aae 100644
--- a/src/main/java/me/cortex/voxy/common/config/storage/other/FragmentedStorageBackendAdaptor.java
+++ b/src/main/java/me/cortex/voxy/common/config/storage/other/FragmentedStorageBackendAdaptor.java
@@ -3,6 +3,7 @@ package me.cortex.voxy.common.config.storage.other;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
+import me.cortex.voxy.common.Logger;
 import me.cortex.voxy.common.config.storage.StorageBackend;
 import me.cortex.voxy.common.config.ConfigBuildCtx;
 import me.cortex.voxy.common.config.storage.StorageConfig;
@@ -100,7 +101,7 @@ public class FragmentedStorageBackendAdaptor extends StorageBackend {
         }
 
         if (verification.size() != 1) {
-            System.err.println("Error id mapping not matching across all fragments, attempting to recover");
+            Logger.error("Error id mapping not matching across all fragments, attempting to recover");
             Object2IntMap.Entry<Int2ObjectOpenHashMap<EqualingArray>> maxEntry = null;
             for (var entry : verification.object2IntEntrySet()) {
                 if (maxEntry == null) { maxEntry = entry; }
diff --git a/src/main/java/me/cortex/voxy/common/thread/ServiceThreadPool.java b/src/main/java/me/cortex/voxy/common/thread/ServiceThreadPool.java
index 06e1d4dd..6f6deca0 100644
--- a/src/main/java/me/cortex/voxy/common/thread/ServiceThreadPool.java
+++ b/src/main/java/me/cortex/voxy/common/thread/ServiceThreadPool.java
@@ -274,8 +274,7 @@ public class ServiceThreadPool {
     }
 
     private void handleUncaughtException(Thread thread, Throwable throwable) {
-        System.err.println("Service worker thread has exploded unexpectedly! this is really not good very very bad.");
-        throwable.printStackTrace();
+        Logger.error("Service worker thread has exploded unexpectedly! this is really not good very very bad.", throwable);
     }
 
     public void shutdown() {
diff --git a/src/main/java/me/cortex/voxy/common/world/ActiveSectionTracker.java b/src/main/java/me/cortex/voxy/common/world/ActiveSectionTracker.java
index ee51f984..fedca7c9 100644
--- a/src/main/java/me/cortex/voxy/common/world/ActiveSectionTracker.java
+++ b/src/main/java/me/cortex/voxy/common/world/ActiveSectionTracker.java
@@ -2,6 +2,7 @@ package me.cortex.voxy.common.world;
 
 import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
 import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import me.cortex.voxy.common.Logger;
 import me.cortex.voxy.common.util.VolatileHolder;
 import me.cortex.voxy.common.world.other.Mapper;
 import org.jetbrains.annotations.Nullable;
@@ -115,7 +116,7 @@ public class ActiveSectionTracker {
                 if (status < 0) {
                     //TODO: Instead if throwing an exception do something better, like attempting to regen
                     //throw new IllegalStateException("Unable to load section: ");
-                    System.err.println("Unable to load section " + section.key + " setting to air");
+                    Logger.error("Unable to load section " + section.key + " setting to air");
                     status = 1;
                 }
 
diff --git a/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java b/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java
index 9a17263d..0e2cdfc9 100644
--- a/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java
+++ b/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java
@@ -1,6 +1,7 @@
 package me.cortex.voxy.common.world;
 
 import it.unimi.dsi.fastutil.longs.Long2ShortOpenHashMap;
+import me.cortex.voxy.common.Logger;
 import me.cortex.voxy.common.util.MemoryBuffer;
 import me.cortex.voxy.common.util.UnsafeUtil;
 import me.cortex.voxy.common.world.other.Mapper;
@@ -120,7 +121,7 @@ public class SaveLoadSystem {
 
         if (section.key != key) {
             //throw new IllegalStateException("Decompressed section not the same as requested. got: " + key + " expected: " + section.key);
-            System.err.println("Decompressed section not the same as requested. got: " + key + " expected: " + section.key);
+            Logger.error("Decompressed section not the same as requested. got: " + key + " expected: " + section.key);
             return false;
         }
 
@@ -145,7 +146,7 @@ public class SaveLoadSystem {
             long expectedHash = MemoryUtil.memGetLong(ptr); ptr += 8; if (VERIFY_MEMORY_ACCESS && data.size<(ptr-data.address)) throw new IllegalStateException("Memory access OOB");
             if (expectedHash != hash) {
                 //throw new IllegalStateException("Hash mismatch got: " + hash + " expected: " + expectedHash);
-                System.err.println("Hash mismatch got: " + hash + " expected: " + expectedHash + " removing region");
+                Logger.error("Hash mismatch got: " + hash + " expected: " + expectedHash + " removing region");
                 return false;
             }
         }
diff --git a/src/main/java/me/cortex/voxy/common/world/other/Mapper.java b/src/main/java/me/cortex/voxy/common/world/other/Mapper.java
index 27045363..099d73b2 100644
--- a/src/main/java/me/cortex/voxy/common/world/other/Mapper.java
+++ b/src/main/java/me/cortex/voxy/common/world/other/Mapper.java
@@ -1,6 +1,7 @@
 package me.cortex.voxy.common.world.other;
 
 import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import me.cortex.voxy.common.Logger;
 import me.cortex.voxy.common.config.IMappingStorage;
 import me.cortex.voxy.common.config.section.SectionStorage;
 import net.minecraft.block.Block;
@@ -99,7 +100,7 @@ public class Mapper {
             if (entryType == BLOCK_STATE_TYPE) {
                 var sentry = StateEntry.deserialize(id, entry.getValue());
                 if (sentry.state.isAir()) {
-                    System.err.println("Deserialization was air, removed block");
+                    Logger.error("Deserialization was air, removed block");
                     sentryErrors.add(new Pair<>(entry.getValue(), id));
                     continue;
                 }
diff --git a/src/main/java/me/cortex/voxy/common/world/service/SectionSavingService.java b/src/main/java/me/cortex/voxy/common/world/service/SectionSavingService.java
index 49c4733f..3467761d 100644
--- a/src/main/java/me/cortex/voxy/common/world/service/SectionSavingService.java
+++ b/src/main/java/me/cortex/voxy/common/world/service/SectionSavingService.java
@@ -69,7 +69,7 @@ public class SectionSavingService {
 
     public void shutdown() {
         if (this.threads.getJobCount() != 0) {
-            System.err.println("Voxy section saving still in progress, estimated " + this.threads.getJobCount() + " sections remaining.");
+            Logger.error("Voxy section saving still in progress, estimated " + this.threads.getJobCount() + " sections remaining.");
             while (this.threads.getJobCount() != 0) {
                 Thread.onSpinWait();
             }
diff --git a/src/main/java/me/cortex/voxy/commonImpl/importers/WorldImporter.java b/src/main/java/me/cortex/voxy/commonImpl/importers/WorldImporter.java
index e1e7e839..2cb1c694 100644
--- a/src/main/java/me/cortex/voxy/commonImpl/importers/WorldImporter.java
+++ b/src/main/java/me/cortex/voxy/commonImpl/importers/WorldImporter.java
@@ -327,7 +327,7 @@ public class WorldImporter implements IDataImporter {
 
             //TODO: create memory copy for each section
             if (regionFile.size < ((sectorCount-1) + sectorStart) * 4096L) {
-                System.err.println("Cannot access chunk sector as it goes out of bounds. start bytes: " + (sectorStart*4096) + " sector count: " + sectorCount + " fileSize: " + regionFile.size);
+                Logger.warn("Cannot access chunk sector as it goes out of bounds. start bytes: " + (sectorStart*4096) + " sector count: " + sectorCount + " fileSize: " + regionFile.size);
                 continue;
             }
 
@@ -341,7 +341,7 @@ public class WorldImporter implements IDataImporter {
                 } else {
                     int n = m - 1;
                     if (regionFile.size < (n + sectorStart*4096L)) {
-                        System.err.println("Chunk stream to small");
+                        Logger.warn("Chunk stream to small");
                     } else if ((b & 128) != 0) {
                         if (n != 0) {
                             Logger.error("Chunk has both internal and external streams");