Several operations fail in Jira with message: cannot initialize IndexWriter
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要約
Several operations in Jira may fail with the message "cannot initialize IndexWriter" in atlassian-jira.log. The message may reach the user in some cases, too.
Below's an example of the message in a Project Automation context (from Jira Service Management):
環境
All versions of Jira Core 8.x.
診断
To diagnose this, simply search for the "cannot initialize IndexWriter" in the logs. If it's present, this KB article's fit for your case.
grep "cannot initialize IndexWriter" $JIRA_HOME/log/atlassian-jira.log -c原因
Jira cannot operate on it's Index properly. The root causes are still unknown, but we suspect external factor might be in play like antivirus software, backup jobs or other filesystem process that locks or changes the Jira index files or folder.
ソリューション
Simply restart Jira or the DC node printing these messages in the log. The restart shall restore Jira's sync to its Index and Jira shall operate as expected thereafter.