[GitHub] [pulsar] candlerb edited a comment on issue #5518: python functions cannot find python3 interpreter

[GitBox <gi...@apache.org>]

candlerb edited a comment on issue #5518: python functions cannot find python3 interpreter
URL: https://github.com/apache/pulsar/issues/5518#issuecomment-548351376
 
 
   Part of the answer comes from pulsar's debug output: it is running `python .../python_instance_main.py ...args...`
   
   ```
   12:25:45.004 [function-timer-thread-94-1] INFO  org.apache.pulsar.functions.runtime.ProcessRuntime - ProcessBuilder starting the process with args
     python /home/ubuntu/apache-pulsar-2.4.1/instances/python-instance/python_instance_main.py
     --py /tmp/pulsar_functions/public/default/womble/0/func1.py
     --logging_directory /home/ubuntu/apache-pulsar-2.4.1/logs/functions --logging_file womble
     --logging_config_file /home/ubuntu/apache-pulsar-2.4.1/conf/functions-logging/logging_config.ini
     --instance_id 0 --function_id 67fb9828-56ab-49ff-bbbc-56db9510d26c
     --function_version 4f01d696-28da-40b7-b9f5-2283fbe9bd7c
     --function_details '{"tenant":"public","namespace":"default","name":"womble","className":"FirstFunction","logTopic":"pulsar-log","runtime":"PYTHON","autoAck":true,"parallelism":1,"source":{"inputSpecs":{"my-topic":{}},"cleanupSubscription":true},"sink":{},"resources":{"cpu":1.0,"ram":"1073741824","disk":"10737418240"},"componentType":"FUNCTION"}'
     --pulsar_serviceurl pulsar://ldex-pulsar.int.example.net:6650 --max_buffered_tuples 1024
     --port 38423 --metrics_port 36591 --state_storage_serviceurl bk://127.0.0.1:4181
     --expected_healthcheck_interval 30 --secrets_provider secretsprovider.ClearTextSecretsProvider
     --cluster_name standalone
   ```
   
   So a configuration option to change "python" to "python3" here would be great, and solve the problem.

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