Add try catch to connect() #7819

Job	Run time
test-formio (18.17.1)	2m 42s
test-core (18.17.1)	2m 27s
lint (18.17.1)	2m 9s
test-graphql (18.17.1)	2m 35s
test-integration (ubuntu-latest, 18.17.1)	3m 0s
test-orm (18.17.1)	3m 57s
test-platform (18.17.1)	2m 56s
test-integration (ubuntu-latest, 20.x)	2m 53s
test-security (18.17.1)	2m 52s
test-specs (18.17.1)	3m 2s
test-third-parties (18.17.1)	3m 2s
deploy-packages	0s
	31m 35s

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