Suneet Saldanha b91a16943b Make 0.19 brokers compatible with 0.18 router (#10091) ... * Make brokers backwards compatible In 0.19, Brokers gained the ability to serve segments. To support this change, a `BROKER` ServerType was added to `druid.server.coordination`. Druid nodes prior to this change do not know of this new server type and so they would fail to deserialize this node's announcement. This change makes it so that the broker only announces itself if the segment cache is configured on the broker. It is expected that a Druid admin will only configure the segment cache on the broker once the cluster has been upgraded to a version that supports a broker using the segment cache. * make code nicer * Add tests * Ignore icode coverage for nitialization classes * Revert "Ignore icode coverage for nitialization classes" This reverts commit aeec0c2ac2. * code review		2020-06-29 20:57:33 -07:00
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src	Make 0.19 brokers compatible with 0.18 router (#10091)	2020-06-29 20:57:33 -07:00
pom.xml	Make 0.19 brokers compatible with 0.18 router (#10091)	2020-06-29 20:57:33 -07:00