Failed to finish lookup management - Druid server - version 0.10.1

Hi
In coordinator log I am seeing blow error while restart my coordinator server.Any help

2019-06-03T08:37:21,802 ERROR [LookupCoordinatorManager–0] io.druid.server.lookup.cache.LookupCoordinatorManager - Failed to finish lookup management loop.: {class=io.druid.server.lookup.cache.LookupCoordinatorManager, exceptionType=class java.lang.IllegalStateException, exceptionMessage=null}

java.lang.IllegalStateException

Thanks

Prabakaran krishnan

Hi
In coordinator log I am seeing blow error while restart my coordinator server.Any help

2019-06-03T08:37:21,802 ERROR [LookupCoordinatorManager–0] io.druid.server.lookup.cache.LookupCoordinatorManager - Failed to finish lookup management loop.: {class=io.druid.server.lookup.cache.LookupCoordinatorManager, exceptionType=class java.lang.IllegalStateException, exceptionMessage=null}

java.lang.IllegalStateException

My common.runtime.properties content is below:

How’s your connection to your metadata store?

Rommel Garcia

It is postgress

Any suggestion to solve this issue?