fix: stop thread pools when an error occurs during startup #5929

Job	Run time
check_format_and_unit_tests	1m 23s
build / Special integration tests (17)	2m 15s
build / Special integration tests (25)	2m 6s
build / Special integration tests (21)	2m 6s
build / httpclient-tests (jdk) / Integration tests (25, 1.32.0, jdk)	24m 3s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	23m 57s
build / integration_tests (25, 1.32.4) / Integration tests (25, 1.32.4, vertx)	23m 58s
build / httpclient-tests (jetty) / Integration tests (25, 1.32.0, jetty)	24m 57s
build / httpclient-tests (vertx) / Integration tests (25, 1.32.0, vertx)	23m 50s
build / integration_tests (25, 1.33.1) / Integration tests (25, 1.33.1, vertx)	23m 58s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	23m 59s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	23m 59s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	23m 42s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	23m 55s
build / integration_tests (25, 1.30.12) / Integration tests (25, 1.30.12, vertx)	23m 44s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	23m 59s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	23m 57s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	23m 59s
build / integration_tests (25, 1.31.8) / Integration tests (25, 1.31.8, vertx)	24m 0s
	6h 7m 47s

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