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https://issues.apache.org/jira/browse/SOLR-16187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17581596#comment-17581596
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Michael Gibney commented on SOLR-16187:
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Still this month a lot of (presumably mostly spurious?) failures that appear to
be related to this issue, [showing up in the
builds|https://lists.apache.org/[email protected]:dfr=2022-8-1%7Cdto=2022-8-31:java.util.concurrent.ThreadPoolExecutor.tryTerminate]
...
> ExecutorUtil#awaitTermination shouldn't wait forever
> ----------------------------------------------------
>
> Key: SOLR-16187
> URL: https://issues.apache.org/jira/browse/SOLR-16187
> Project: Solr
> Issue Type: Bug
> Reporter: Kevin Risden
> Assignee: Kevin Risden
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> While looking at some of the other thread leak issues, found that
> ExecutorUtil#awaitTermination is waiting basically forever:
> https://github.com/apache/solr/blob/main/solr/solrj/src/java/org/apache/solr/common/util/ExecutorUtil.java#L98
> {code:java}
> public static void awaitTermination(ExecutorService pool) {
> boolean shutdown = false;
> while (!shutdown) {
> try {
> // Wait a while for existing tasks to terminate
> shutdown = pool.awaitTermination(60, TimeUnit.SECONDS);
> } catch (InterruptedException ie) {
> // Preserve interrupt status
> Thread.currentThread().interrupt();
> }
> }
> }
> {code}
> Instead it should be possible to wait and then if still not shutdown then
> interrupt the threads? ie: pool.shutdownNow() then another awaitTermination
> to at least limit the termination time to 2*60 seconds?
> This would at least have some bound to shutting stuff down.
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