feature_init intermittent issue: UnicodeDecodeError: ‘utf-8’ codec can’t decode bytes in position 1215-1217: unexpected end of data #24575

1. 
   MarcoFalke commented at 7:16 pm on March 15, 2022: member

   Presumably because a Unicode character was only written partially.

    0 test  2022-03-15T19:13:39.817000Z TestFramework (ERROR): Unexpected exception caught during testing 
    1                                   Traceback (most recent call last):
    2                                     File "/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-i686-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 132, in main
    3                                       self.run_test()
    4                                     File "/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-i686-pc-linux-gnu/test/functional/feature_init.py", line 79, in run_test
    5                                       node.start(extra_args=['-txindex=1', '-blockfilterindex=1', '-coinstatsindex=1'])
    6                                     File "/usr/lib/python3.8/contextlib.py", line 120, in __exit__
    7                                       next(self.gen)
    8                                     File "/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-i686-pc-linux-gnu/test/functional/test_framework/test_node.py", line 442, in wait_for_debug_log
    9                                       log = dl.read()
   10                                     File "/usr/lib/python3.8/codecs.py", line 322, in decode
   11                                       (result, consumed) = self._buffer_decode(data, self.errors, final)
   12                                   UnicodeDecodeError: 'utf-8' codec can't decode bytes in position 1215-1217: unexpected end of data
   

   https://cirrus-ci.com/task/5773197005029376?logs=ci#L5215

2. MarcoFalke added the label Bug on Mar 15, 2022
3. 
   jonatack commented at 7:45 pm on April 28, 2022: member

   Ran across this issue just now https://cirrus-ci.com/task/6682305988132864
4. 
   jonatack commented at 11:40 am on May 5, 2022: member

   Another one: https://cirrus-ci.com/task/5447567851913216
5. 
   david-bakin commented at 9:04 pm on May 24, 2022: contributor

   Is this this issue or something I just did?

   https://cirrus-ci.com/task/4666995277824000?logs=ci#L3403

6. 
   darosior commented at 4:27 pm on June 6, 2022: member

   Just ran into this in #24148: https://cirrus-ci.com/task/5477444768497664.
7. MarcoFalke closed this on Jun 8, 2022

   ---

8. sidhujag referenced this in commit 50bcbc4a00 on Jun 13, 2022
9. DrahtBot locked this on Jun 8, 2023

Contributors
MarcoFalke jonatack david-bakin darosior

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Bug