Fix potential NPE in ObjectIdValidator
Fix potential NPE in StreamRouter
Fix potential NPE in AMQP Consumer
Fix potential NPE in KafkaInput
Get rid of unnecessary casts in FakeHttpMessageGenerator
Fix potential NPE in Tools#guessPrimaryNetworkAddress()
Fix potential NPE in MongoDbAuthorizationRealm
Fix potential NPE in LdapUserAuthenticator
Fix potential NPE in MongoDbSessionDAO
Fix potential NPE in JacksonPropertyExceptionMapper
Fix potential NPE in org.graylog2.radio.cluster.InputService
Fix potential NPE in LdapResource
Handle invalid input in StreamRuleResource#update