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Incorrect usage of JIRA/lucene search API

Hi Everybody!

In our Jira 8.3.2. we have a lot of calculated fields that, based on an issue field, perform a JQL on the rest of the projects and gather a list of issues. From that list of issues we then get some custom field values and calculate them in order to get a total value (for ex. total estimated effort for a project). The scripts are written and running using Scriptrunner v6.6.0.

Lately, we've noticed some errors in the logs when the fields are calculated:

2020-10-10 10:13:47,174 g2gcrm-69914:Cron Service ERROR anonymous [c.o.scriptrunner.customfield.GroovyCustomField] Script field failed on issue: XXXX-2127, field: Custom Field21 java.lang.IllegalStateException: Incorrect usage of JIRA/lucene search API. You can only create/use: ManagedIndexSearcher inside a context (request or Jira-Thread-Local). Check: JiraThreadLocalUtils for details.

The errors don’t appear on one of our staging environments but are present on the live instance which I assume is because the live environment is much busier and there are a lot of queries in the Lucene index.
I did some research and on the JiraThreadLocalUtil class, but unfortunately there is not much documentation to rely on.
The bit of code that I assume generates this error looks like:

com.atlassian.jira.issue.search.SearchResults searchResults = null;
try {
    searchResults = searchService.search(user, query, pagerFilter);
} catch (SearchException e) {
    e.printStackTrace();
    return (Double) 0 ;
}

I saw one idea on a post about using “ThreadLocalUtil” in the loop, transforming to:

jiraThreadLocalUtil.preCall()
try {
try {
searchResults = searchService.search(user, query, pagerFilter);
} catch (SearchException e) {
e.printStackTrace();
return (Double) 0 ;
}
} finally
{
jiraThreadLocalUtil.postCall(log, null)
}

However, this approach seems to break other things in Jira. I noticed some strange behavior when running filters that include the scripted fields: page formatting is off, results are not showing, "Activity" stream section is not showing, etc. 

Has anybody noticed this behavior and have any ideas on how to overcome this?

 

1 answer

1 accepted

0 votes
Answer accepted

I'm going to post the answer here, as with the help of Adaptavist support I resolved the issue by refactoring the code to:

try {

     ThreadLocalSearcherCache.startSearcherContext()

     searchResults = searchService.search(user, query, pagerFilter);

} catch (SearchException e) {

    e.printStackTrace();

    return (Double) total;

} finally {

    ThreadLocalSearcherCache.stopAndCloseSearcherContext()
}

by using methods from a different class:

import com.atlassian.jira.issue.index.ThreadLocalSearcherCache

although the documentation for this class states:

Low level lucene searcher context. You almost never want to use this. Most of the time you want: JiraThreadLocalUtils.wrap(Runnable) or JiraThreadLocalUtils.wrap(java.util.concurrent.Callable)

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