Andrey Bozhko created SOLR-17448:
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Summary: Audit usage of ExecutorService#submit in Solr codebase
Key: SOLR-17448
URL: https://issues.apache.org/jira/browse/SOLR-17448
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 9.7
Reporter: Andrey Bozhko
There are quite a few places in Solr codebase where the background task is
created by invoking `ExecutorService#submit(...)` method - but where the
reference to the returned future is not retained.
So if the background task fails for any reason, and the task doesn't itself
have a try-catch block to log the failure, - the failure will go completely
unnoticed.
This ticket is to review the usage of ExecutorService#submit method in the
codebase, and replace those with Executor#execute where appropriate.
Originally brought up in the dev mailing list:
[https://lists.apache.org/thread/5f1965rltcspgw0j8nzcn2qnz9l4s8qm]
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