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path: root/nms-patches/RegionFileCache.patch
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--- a/net/minecraft/server/RegionFileCache.java
+++ b/net/minecraft/server/RegionFileCache.java
@@ -76,18 +76,28 @@
     }
 
     @Nullable
-    public static DataInputStream read(File file, int i, int j) {
+    // CraftBukkit start - call sites hoisted for synchronization
+    public static synchronized NBTTagCompound read(File file, int i, int j) throws IOException {
         RegionFile regionfile = a(file, i, j);
 
-        return regionfile.a(i & 31, j & 31);
+        DataInputStream datainputstream = regionfile.a(i & 31, j & 31);
+
+        if (datainputstream == null) {
+            return null;
+        }
+
+        return NBTCompressedStreamTools.a(datainputstream);
     }
 
     @Nullable
-    public static DataOutputStream write(File file, int i, int j) {
+    public static synchronized void write(File file, int i, int j, NBTTagCompound nbttagcompound) throws IOException {
         RegionFile regionfile = a(file, i, j);
 
-        return regionfile.c(i & 31, j & 31);
+        DataOutputStream dataoutputstream = regionfile.c(i & 31, j & 31);
+        NBTCompressedStreamTools.a(nbttagcompound, (java.io.DataOutput) dataoutputstream);
+        dataoutputstream.close();
     }
+    // CraftBukkit end
 
     public static synchronized boolean chunkExists(File file, int i, int j) {
         RegionFile regionfile = b(file, i, j);