JDBC drivers: fix 'Unsupported URL' – drivers might be called witrh wrong URLs and then they should (according to the JavaDoc) return null instead of throwing an exception. This problem occurred when --test-connection was testing multiple connections in parallel.

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# This code depends on make tool being used

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DEPFILES=$(wildcard $(addsuffix .d, ${OBJECTFILES} ${TESTOBJECTFILES}))

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ifneq (${DEPFILES},)

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include ${DEPFILES}

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endif