[GitHub] [pulsar] tuteng edited a comment on issue #5912: "UNAVAILABLE: io exception" pulsar functions

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tuteng edited a comment on issue #5912: "UNAVAILABLE: io exception" pulsar functions
URL: https://github.com/apache/pulsar/issues/5912#issuecomment-569571012
 
 
   I am so sorry for the late reply. I tested in cluster mode and did not reproduce your problem. My test environment, 3 brokers, 2 function_worker, uses Ubuntu 16.04.6 LTS and pulsar version 2.4.2. The command is as follows:
   
   Install the pulsar client on each function_worker:
   
   ```
   pip install pulsar-client
   ```
   
   Create and start function
   
   ```
   ./bin/pulsar-admin functions create --py /root/test-function/word_function.py --classname word_function.WordCountFunction --tenant public --namespace default --name excfunc --inputs test1 --output test2
   ```
   
   The content of word_function.py, 
   
   ```
   from pulsar import Function
   
   # The classic ExclamationFunction that appends an exclamation at the end
   # of the input
   class WordCountFunction(Function):
       def __init__(self):
           pass
   
       def process(self, input, context):
           words = input.split()
           for word in words:
               context.incr_counter(word, 1)
               context.get_logger().info("The value is " + str(context.get_counter(word)))
           return input + "!"
   ```
   
   If you have any questions, please ping me. @thlautenschlaeger Can you provide more context information if possible?

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