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https://issues.apache.org/jira/browse/IMPALA-10523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17287874#comment-17287874
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Quanlong Huang commented on IMPALA-10523:
-----------------------------------------
Found a useful blog talking about print() in Python3 and Python2.
Uploaded a fix: [http://gerrit.cloudera.org:8080/17099]
cc [~laszlog]
> Impala-shell crash in printing error messages that contain UTF-8 characters
> ---------------------------------------------------------------------------
>
> Key: IMPALA-10523
> URL: https://issues.apache.org/jira/browse/IMPALA-10523
> Project: IMPALA
> Issue Type: Bug
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Critical
>
> Encounter a crash in impala-shell when playing around with a query:
> {code}
> [localhost:21050] default> select cast(now() as string format 'yyyy年MM月dd日');
> Query: select cast(now() as string format 'yyyy年MM月dd日')
> Query submitted at: 2021-02-20 16:40:09 (Coordinator:
> http://quanlong-OptiPlex-BJ:25000)
> Query progress can be monitored at:
> http://quanlong-OptiPlex-BJ:25000/query_plan?query_id=6c4d64dec01254bc:d54107fd00000000
> Traceback (most recent call last):
> File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 2070, in
> <module>
> impala_shell_main()
> File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 2035, in
> impala_shell_main
> shell.cmdloop(intro)
> File
> "/home/quanlong/workspace/Impala/toolchain/toolchain-packages-gcc7.5.0/python-2.7.16/lib/python2.7/cmd.py",
> line 142, in cmdloop
> stop = self.onecmd(line)
> File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 697, in
> onecmd
> return func(arg)
> File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 1123, in
> do_select
> return self._execute_stmt(query_str, print_web_link=True)
> File "/home/quanlong/workspace/Impala/shell/impala_shell.py", line 1320, in
> _execute_stmt
> print(e, file=sys.stderr)
> UnicodeEncodeError: 'ascii' codec can't encode character u'\u5e74' in
> position 44: ordinal not in range(128)
> {code}
> The crash point is in shell/impala_shell.py:1320
> {code:python}
> 1316 except QueryStateException as e:
> 1317 # an exception occurred while executing the query
> 1318 if self.last_query_handle is not None:
> 1319 self.imp_client.close_query(self.last_query_handle)
> 1320 print(e, file=sys.stderr)
> {code}
> Definition of QueryStateException in shell/shell_exceptions.py:
> {code:python}
> 28 class QueryStateException(Exception):
> 29 def __init__(self, value=""):
> 30 self.value = value
> 31
> 32 def __str__(self):
> 33 return self.value
> {code}
> After IMPALA-9489, '{{value}}' of QueryStateException is in unicode type when
> using Python2, because we follow the "unicode sandwich" manner - "bytes on
> the outside, unicode on the inside, encode/decode at the edges". We should
> encode it to str using 'utf-8' encoding, instead of letting Python do this
> implicitly and fail.
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