LiangliangSui opened a new issue, #1524:
URL: https://github.com/apache/incubator-fury/issues/1524

   ## Is your feature request related to a problem? Please describe.
   1. `org.apache.fury.ThreadLocalFury#processCallback` will access the 
`LoaderBinding` of all threads, which has potential thread safety issues
     ```java
   // org.apache.fury.ThreadLocalFury
     @Override
     protected void processCallback(Consumer<Fury> callback) {
       factoryCallback = factoryCallback.andThen(callback);
       // All LoaderBinding
       for (LoaderBinding binding : allFury.keySet()) {
         binding.visitAllFury(callback);
         binding.setBindingCallback(factoryCallback);
       }
     }
     ```
   
   
   2. In `org.apache.fury.pool.ThreadPoolFury#processCallback`, all 
`ClassLoaderFuryPooled` will also be accessed, but traversing `allFury` and 
`setFactoryCallback` does not lock the variables to ensure the safety of the 
variables.
   ```java
   // org.apache.fury.pool.ThreadPoolFury
   @Override
   protected void processCallback(Consumer<Fury> callback) {
     factoryCallback = factoryCallback.andThen(callback);
     // All ClassLoaderFuryPooled
     for (ClassLoaderFuryPooled furyPooled :
         furyPooledObjectFactory.classLoaderFuryPooledCache.asMap().values()) {
       furyPooled.allFury.keySet().forEach(callback);
       furyPooled.setFactoryCallback(factoryCallback);
     }
   }
   ```
   
   ```java
   // org.apache.fury.pool.ClassLoaderFuryPooled
   void setFactoryCallback(Consumer<Fury> factoryCallback) {
     this.factoryCallback = factoryCallback;
   }
   ```
   
   ## Describe the solution you'd like
   Use locks to ensure variables are thread-safe
   
   ## Additional context
   
   


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