David Turner 86b1a07887 Log leader and handshake failures by default (#42342) ... Today the `LeaderChecker` and `HandshakingTransportAddressConnector` do not log anything above `DEBUG` level. However there are some situations where it is appropriate for them to log at a higher level: - if the low-level handshake succeeds but the high-level one fails then this indicates a config error that the user should resolve, and the exception will help them to do so. - if leader checks fail repeatedly then we restart discovery, and the exception will help to determine what went wrong. Resolves #42153		2019-05-30 08:14:19 +01:00
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licenses	Upgrade to Lucene 8.1.0 (#42214)	2019-05-23 11:46:45 +02:00
src	Log leader and handshake failures by default (#42342)	2019-05-30 08:14:19 +01:00
build.gradle	[Backport] Replace usages RandomizedTestingTask with built-in Gradle Test (#40978) (#40993)	2019-04-09 11:52:50 -07:00