[GitHub] [pulsar] phuongtailtranminh edited a comment on issue #4386: Pulsar Function doesn't get started

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

phuongtailtranminh edited a comment on issue #4386: Pulsar Function doesn't get started
URL: https://github.com/apache/pulsar/issues/4386#issuecomment-496342166
 
 
   After checked the log file, I updated the content of file to smt like below:
   
   ```
   #!/usr/bin/env python
   #
   # Licensed to the Apache Software Foundation (ASF) under one
   # or more contributor license agreements.  See the NOTICE file
   # distributed with this work for additional information
   # regarding copyright ownership.  The ASF licenses this file
   # to you under the Apache License, Version 2.0 (the
   # "License"); you may not use this file except in compliance
   # with the License.  You may obtain a copy of the License at
   #
   #   http://www.apache.org/licenses/LICENSE-2.0
   #
   # Unless required by applicable law or agreed to in writing,
   # software distributed under the License is distributed on an
   # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   # KIND, either express or implied.  See the License for the
   # specific language governing permissions and limitations
   # under the License.
   #
   
   
   from pulsar import Function
   
   # The classic ExclamationFunction that appends an exclamation at the end
   # of the input
   class ExclamationFunction(Function):
     def __init__(self):
       pass
   
     def process(self, input, context):
       return input + '!'
   ```
   
   Then re-register the function with Pulsar, but then the log file shows new error:
   
   ```
   ImportError: No module named ExclamationFunction
   [2019-05-28 09:25:22 +0700] [CRITICAL] python_instance.py: Could not import User Function Module ExclamationFunction
   [2019-05-28 09:25:22 +0700] [ERROR] log.py: Traceback (most recent call last):
   [2019-05-28 09:25:22 +0700] [ERROR] log.py:   File "/Users/phuongtran/Downloads/apache-pulsar-2.3.1/instances/python-instance/python_instance_main.py", line 211, in <module>
   [2019-05-28 09:25:22 +0700] [ERROR] log.py: main()
   [2019-05-28 09:25:22 +0700] [ERROR] log.py:   File "/Users/phuongtran/Downloads/apache-pulsar-2.3.1/instances/python-instance/python_instance_main.py", line 192, in main
   [2019-05-28 09:25:22 +0700] [ERROR] log.py: pyinstance.run()
   [2019-05-28 09:25:22 +0700] [ERROR] log.py:   File "/Users/phuongtran/Downloads/apache-pulsar-2.3.1/instances/python-instance/python_instance.py", line 196, in run
   [2019-05-28 09:25:22 +0700] [ERROR] log.py: raise NameError("Could not import User Function Module %s" % self.instance_config.function_details.className)
   ```
   
   

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