Webmin / Bugs / #5358 Ошибка: 500 - Perl execution failed – unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)")

Jamie Cameron - 2020-02-09

Does anything get logged to /var/webmin/miniserv.error when this happens?

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Andrej Taran - 2020-02-11

tail -f /var/webmin/miniserv.error

Use of uninitialized value $ip in concatenation (.) or string at /usr/share/webmin/system-status/system_info.pl line 39.
[11/Feb/2020:13:53:28 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:53:34 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:53:46 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:02 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:20 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:28 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:34 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

Use of uninitialized value $ip in concatenation (.) or string at /usr/share/webmin/system-status/system_info.pl line 39.
Use of uninitialized value $ip in concatenation (.) or string at /usr/share/webmin/system-status/system_info.pl line 39.
[11/Feb/2020:13:54:42 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:48 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:51 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

Use of uninitialized value $ip in concatenation (.) or string at /usr/share/webmin/system-status/system_info.pl line 39.
[11/Feb/2020:13:54:57 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:54:59 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:55:02 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:55:05 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

[11/Feb/2020:13:55:11 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10940.

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Jamie Cameron - 2020-02-13

assigned_to: Jamie Cameron --> Ilia Rostovtsev
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Ilia - 2020-02-13

..sometime, when loading "Stats History", get errors ..

Can you describe sometimes? Besides, can you send me the content of the following directory: /etc/webmin/authentic-theme.

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- Andrej Taran - 2020-02-13
  
  Webmin work after installation or upgrade from version 1.930. And I get errors always after reboot. "Stats History" show message "Loading..."
  
  authentic-theme.tar.gz
  
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Ilia - 2020-02-13

There is inconsistency what is considered to be valid among what allowed in JSON strings, and what is not allowed in ECMAscript string literals. :-(

Besdies, @Andrej I have updated JSON:PP with the latest version, and updated convert_to_json sub.

It should resolve your issue. After editing web-lib-funcs.pl file, you would need to restart Webmin, running:

/etc/webmin/restart
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Andrej Taran - 2020-02-13

I updated two files: PP.pm and web-lib-funcs.pl. Restarted webmin. But i get errors:
[13/Feb/2020:15:38:35 +0200] [10.10.20.200] /stats.cgi : Perl execution failed : unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)") at /usr/share/webmin/web-lib-funcs.pl line 10955. Line number changed to 10955.
What json file parsed webmin with errors?

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Ilia - 2020-02-13

Okay, is there a way you can send me the content of /etc/webmin/authentic-theme?

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Andrej Taran - 2020-02-13

In attachment

authentic-theme.tar.gz

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Andrej Taran - 2020-02-13

File stats-root.json was corrupted. I delete this file and webmin work without errors. :-)
Please replace this file to /var/webmin and create new file after reboot.

Last edit: Andrej Taran 2020-02-13

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Ilia - 2020-02-13

Well, sure thing but the question is how did you end up having that file being corrupted?

It sounds like there is an improvement needed for convert_from_json sub. I'll study on the attached files when get back to PC.

Thanks for your feedback!

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Ilia - 2020-02-18

Okay. I see now how you ended up with this error. I have made a patch to prevent this from happening in the future.

Thanks for reporting! ;)

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Andrej Taran - 2020-03-06

Ok. Last patch work very well. Thanks

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Ilia - 2020-03-06

Ok. Last patch work very well. Thanks

Good to know! Thanks.

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#5358 Ошибка: 500 - Perl execution failed – unexpected end of string while parsing JSON string, at character offset 17684 (before "(end of string)")

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