HuangXingBo commented on a change in pull request #18954:
URL: https://github.com/apache/flink/pull/18954#discussion_r817402319



##########
File path: flink-python/pyflink/pyflink_gateway_server.py
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@@ -290,7 +291,23 @@ def launch_gateway_server_process(env, args):
         classpath = os.pathsep.join(
             [construct_flink_classpath(env), construct_hadoop_classpath(env)])
         if "FLINK_TESTING" in env:
-            download_apache_avro()
+            retry_times = 3

Review comment:
       In fact, I don't think it's necessary to change the number of retries in 
the future. 3 times should be enough to guarantee a successful download. If the 
download cannot be successful after 3 times, it is also difficult to download 
successfully more times. At this time, I will suggest that the developer put 
the avro jar package in the specified location by other means.
   
   




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