Solved Objects are sometimes not saving/loading

When I save objects with:

Code:

public static boolean saveObject(Serializable object, File target){
    target.getParentFile().mkdirs();
    if(!(target.exists() && target.isFile()))
        try{
            target.createNewFile();
        }catch (Exception e){
            return false;
        }
    try{
        ObjectOutputStream oos = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(target)));
 
        oos.writeObject(object);
        oos.flush();
        oos.close();
    }catch(Exception e){
        return false;
    }
    return true;
}

or load objects with:

Code:

public static Object loadObject(File source){
    Object object = null;
 
    try{
        ObjectInputStream ois = new ObjectInputStream (new BufferedInputStream(new FileInputStream(source)));
 
        object = ois.readObject();
        ois.close();
        return object;
    }catch(Exception e){
        return null;
    }
}

it somehow fails sometimes. I always check if the save went well so I don't think thats the problem.
The only event that triggers a load is PlayerJoinEvent so it should by synced.

The wierd thing is that it only happens on my host and not when I debug locally. Is there something wrong with the host?

 

The problem was that itemstack.serialize does not implement Serializable if it has any enchantments.