output: #fixed code
                                public void get(int domainId, ByteBuffer key, HostConnectionGetCallback resultHandler) {
      try {
        client.get(domainId, key, resultHandler);
      } catch (TException e) {
        resultHandler.onError(e);
      }
    }
input: #vulnerable code 
                                public void get(int domainId, ByteBuffer key, HostConnectionGetCallback resultHandler) throws TException {
      client.get(domainId, key, resultHandler);
    } 
                              #location 2 
                              #vulnerability type THREAD_SAFETY_VIOLATION