Dawid Wysakowicz created FLINK-24515:
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Summary: MailboxExecutor#submit swallows exceptions
Key: FLINK-24515
URL: https://issues.apache.org/jira/browse/FLINK-24515
Project: Flink
Issue Type: Bug
Components: Runtime / Task
Affects Versions: 1.13.2, 1.12.5, 1.14.0
Reporter: Dawid Wysakowicz
Assignee: Dawid Wysakowicz
Fix For: 1.12.6, 1.13.3, 1.15.0, 1.14.1
If a {{RunnableWithException}}/{{Callable}} is submitted via the
{{MailboxExecutor#submit}} any exceptions thrown from it will be swallowed.
It is caused by the {{FutureTaskWithException}} implementation. The
{{FutureTask#run}} does not throw an exception, but it sets it as its internal
state. The exception will be thrown only when {{FutureTask#get()}} is called.
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