Show same/similar (exception) info message once per run, only

[skyper]

What steps will reproduce the problem?

1. Have several objects with opening_hours syntax in tags including SH
2. run validator

What is the expected result?

One info message about the same exception, only

What happens instead?

One message about each object with SH in tags

Please provide any additional information below. Attach a screenshot if possible.

I was editing several school bus lines.
Please, do not distract and annoy the user by popping up lots of same or similar messages. Thanks

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-01-23 22:57:46 +0100 (Thu, 23 Jan 2020)
Revision:15755
Build-Date:2020-01-24 02:30:53
URL:https://josm.openstreetmap.de/svn/trunk

Last errors/warnings:
- E: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 07:30-08:30; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 07:30-08:30; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- W: java.net.SocketTimeoutException: Read timed out
- W: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 08:10-08:20; PH,SH off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 08:10-08:20; PH,SH off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- E: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 08:10-08:20; PH,SH off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 08:10-08:20; PH,SH off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- W: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 12:25-12:40; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 12:25-12:40; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- E: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 12:25-12:40; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 12:25-12:40; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- W: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 07:25-08:20; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 07:25-08:20; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- E: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 07:25-08:20; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 07:25-08:20; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- W: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 07:30-08:30; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 07:30-08:30; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition
- E: javax.script.ScriptException: An error occurred during evaluation of the value "Mo-Fr 07:30-08:30; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition in <eval> at line number 46 at column number 4733. Cause: jdk.nashorn.internal.runtime.ECMAException: An error occurred during evaluation of the value "Mo-Fr 07:30-08:30; PH,SH,Sa,Su off". Please submit a pull request: https://github.com/ypid/opening_hours.js. no SH definition

[simon04]

Closed as duplicate of #18208.

[skyper]

Hey, I do not talk about the message in general, but only of the number of appearances per run. Especially as the messages are shown quite some time after the run of validator is finished.