Schematics paste error! Need Help ASAP!

When I try to paste a schematic file with this code:

Code:java

public Schematic loadSchematic(File file) throws IOException
    {
        FileInputStream stream = new FileInputStream(file);
        NBTInputStream nbtStream = new NBTInputStream(new GZIPInputStream(stream));
 
        CompoundTag schematicTag = (CompoundTag) nbtStream.readTag();
        if (!schematicTag.getName().equals("Schematic")) {
       nbtStream.close();
            throw new IllegalArgumentException("Tag \"Schematic\" does not exist or is not first");
        }
 
@SuppressWarnings("unchecked")
Map<String, Tag> schematic = schematicTag.getValue();
        if (!schematic.containsKey("Blocks")) {
       nbtStream.close();
            throw new IllegalArgumentException("Schematic file is missing a \"Blocks\" tag");
        }
 
        short width = getChildTag(schematic, "Width", ShortTag.class).getValue();
        short length = getChildTag(schematic, "Length", ShortTag.class).getValue();
        short height = getChildTag(schematic, "Height", ShortTag.class).getValue();
 
        String materials = getChildTag(schematic, "Materials", StringTag.class).getValue();
        if (!materials.equals("Alpha")) {
       nbtStream.close();
            throw new IllegalArgumentException("Schematic file is not an Alpha schematic");
        }
 
        byte[] blocks = getChildTag(schematic, "Blocks", ByteArrayTag.class).getValue();
        byte[] blockData = getChildTag(schematic, "Data", ByteArrayTag.class).getValue();
 
        nbtStream.close();
 
        return new Schematic(blocks, blockData, width, length, height);
    }
 
    /**
    * Get child tag of a NBT structure.
    *
    * @param items The parent tag map
    * @param key The name of the tag to get
    * @param expected The expected type of the tag
    * @return child tag casted to the expected type
    * @throws DataException if the tag does not exist or the tag is not of the
    * expected type
    */
    private static <T extends Tag> T getChildTag(Map<String, Tag> items, String key, Class<T> expected) throws IllegalArgumentException
    {
        if (!items.containsKey(key)) {
            throw new IllegalArgumentException("Schematic file is missing a \"" + key + "\" tag");
        }
        Tag tag = items.get(key);
        if (!expected.isInstance(tag)) {
            throw new IllegalArgumentException(key + " tag is not of tag type " + expected.getName());
        }
        return expected.cast(tag);
    }
 
    public void pasteSchematic(World world, Location loc, Schematic schematic)
    {
        byte[] blocks = schematic.getBlocks();
        byte[] blockData = schematic.getData();
 
        short length = schematic.getLenght();
        short width = schematic.getWidth();
        short height = schematic.getHeight();
 
        for (int x = 0; x < width; ++x) {
            for (int y = 0; y < height; ++y) {
                for (int z = 0; z < length; ++z) {
                    int index = y * width * length + z * width + x;
                    Block block = new Location(world, x + loc.getX(), y + loc.getY(), z + loc.getZ()).getBlock();
                    block.setTypeIdAndData(blocks[index], blockData[index], true);
                }
            }
        }
    }

It gives me this error, even though the schematic file isn't corrupted!

Code:

2013-05-01 15:38:53 [SEVERE] java.util.zip.ZipException: Not in GZIP format
2013-05-01 15:38:53 [SEVERE]    at java.util.zip.GZIPInputStream.readHeader(Unknown Source)
2013-05-01 15:38:53 [SEVERE]    at java.util.zip.GZIPInputStream.<init>(Unknown Source)
2013-05-01 15:38:53 [SEVERE]    at java.util.zip.GZIPInputStream.<init>(Unknown Source)
2013-05-01 15:38:53 [SEVERE]    at org.jnbt.NBTInputStream.<init>(NBTInputStream.java:25)
2013-05-01 15:38:53 [SEVERE]    at me.Noah.KingdomCraft.KingdomCraft.loadSchematic(KingdomCraft.java:373)
2013-05-01 15:38:53 [SEVERE]    at me.Noah.KingdomCraft.KingdomCraft.onCommand(KingdomCraft.java:266)
2013-05-01 15:38:53 [SEVERE]    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
2013-05-01 15:38:53 [SEVERE]    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:187)
2013-05-01 15:38:53 [SEVERE]    at org.bukkit.craftbukkit.v1_5_R2.CraftServer.dispatchCommand(CraftServer.java:523)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.PlayerConnection.handleCommand(PlayerConnection.java:967)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.PlayerConnection.chat(PlayerConnection.java:885)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:840)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.Packet3Chat.handle(Packet3Chat.java:44)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.NetworkManager.b(NetworkManager.java:292)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:113)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.DedicatedServerConnection.b(SourceFile:30)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:580)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:225)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:476)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:409)
2013-05-01 15:38:53 [SEVERE]    at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)

Any help? Thanks in advance!

 

Code:

2013-05-01 15:38:53 [SEVERE] java.util.zip.ZipException: Not in GZIP format
2013-05-01 15:38:53 [SEVERE]    at java.util.zip.GZIPInputStream.readHeader(Unknown Source)
2013-05-01 15:38:53 [SEVERE]    at java.util.zip.GZIPInputStream.<init>(Unknown Source)
2013-05-01 15:38:53 [SEVERE]    at java.util.zip.GZIPInputStream.<init>(Unknown Source)
2013-05-01 15:38:53 [SEVERE]    at org.jnbt.NBTInputStream.<init>(NBTInputStream.java:25)

Remove the GZipInputStream your feeding into it? It might be making a GZipInputStream inside the NBTstream.

Either that or yes, the schematic is indeed corrupted.

 

That worked thanks! But now, it's only pasting about 1 or 2 chunks of it, do you know any solution?