Customer notifications not sent from some Jira Service Management projects due to installed translation packs
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*Except Fisheye and Crucible
Summary
Customer notifications are not being sent by Jira Service Management from specific projects.
Can also prevent Customer Notifications page from rendering properly.
Environment
Jira using Jira Service Management Translation pack
Diagnosis
Logs show error like the following
2020-10-10 18:40:17,075+0200 PsmqAsyncExecutors-job:thread-1102 ERROR admin [c.a.jira.util.I18nHelper] Error rendering '${event.user.name} comentó:
${comment}': can't parse argument number: event.user.name
java.lang.IllegalArgumentException: can't parse argument number: event.user.name
at java.text.MessageFormat.makeFormat(MessageFormat.java:1429)
at java.text.MessageFormat.applyPattern(MessageFormat.java:479)
at java.text.MessageFormat.<init>(MessageFormat.java:380)
at com.atlassian.jira.i18n.BackingI18n.formatI18nMsg(BackingI18n.java:246)
at com.atlassian.jira.i18n.BackingI18n.getText(BackingI18n.java:149)
at com.atlassian.servicedesk.plugins.lingo.internal.manager.LingoManagerImpl.getI18nTranslation(LingoManagerImpl.java:373)
at com.atlassian.servicedesk.plugins.lingo.internal.manager.LingoManagerImpl.lambda$null$17(LingoManagerImpl.java:214)
at com.atlassian.servicedesk.plugins.lingo.internal.manager.LingoManagerImpl.lambda$createLingoTranslationFromDefaultProvider$25(LingoManagerImpl.java:259)
at com.atlassian.servicedesk.plugins.lingo.internal.response.LingoTranslationImpl.getContent(LingoTranslationImpl.java:63)
...
Caused by: java.lang.NumberFormatException: For input string: "event.user.name"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.parseInt(Integer.java:615)
at java.text.MessageFormat.makeFormat(MessageFormat.java:1427)
... 90 moreCause
There is a bug in some translation packages for Jira Service Management that cause this problem.
On the example above, the problem was in the Spanish language pack, but there have been reports of other languages causing the same problems.
Best way to find the language is to read the message in the logs and deduce the language from it.
Solution
Download Latest language pack .jar for the desired language for Jira Service Management in the link below
Upload the .jar file at the Manage Apps page in Jira's UI through the Upload App button.