Spring Boot 2.3.0 M1 Configuration Changelog

Configuration properties change between 2.2.4.RELEASE and 2.3.0.BUILD-SNAPSHOT

Table 1. Deprecated keys in 2.3.0.M1

Key	Replacement	Reason
server.tomcat.host-header	server.tomcat.remoteip.host-header
server.tomcat.internal-proxies	server.tomcat.remoteip.internal-proxies
server.tomcat.port-header	server.tomcat.remote.port-header
server.tomcat.protocol-header	server.tomcat.remoteip.protocol-header
server.tomcat.protocol-header-https-value	server.tomcat.remoteip.protocol-header-https-value
server.tomcat.remote-ip-header	server.tomcat.remoteip.remote-ip-header
spring.data.cassandra.cluster-name	spring.data.cassandra.session-name
spring.data.cassandra.fetch-size	spring.data.cassandra.page-size

Table 2. New keys in 2.3.0.M1

Key	Default value	Description
management.metrics.export.stackdriver.batch-size	10000	Number of measurements per request to use for this backend.
management.metrics.export.stackdriver.connect-timeout	1s	Connection timeout for requests to this backend.
management.metrics.export.stackdriver.enabled	true	Whether exporting of metrics to this backend is enabled.
management.metrics.export.stackdriver.num-threads	2	Number of threads to use with the metrics publishing scheduler.
management.metrics.export.stackdriver.project-id		Identifier of the Google Cloud project to monitor.
management.metrics.export.stackdriver.read-timeout	10s	Read timeout for requests to this backend.
management.metrics.export.stackdriver.resource-type	global	Monitored resource type.
management.metrics.export.stackdriver.step	1m	Step size (i.e. reporting frequency) to use.
server.servlet.encoding.charset
server.servlet.encoding.enabled	true	Whether to enable http encoding support.
server.servlet.encoding.force
server.servlet.encoding.force-request
server.servlet.encoding.force-response
server.servlet.encoding.mapping
server.tomcat.remoteip.host-header	X-Forwarded-Host	Name of the HTTP header from which the remote host is extracted.
server.tomcat.remoteip.internal-proxies	`10\.\d{1,3}\.\d{1,3}\.\d{1,3}	192\.168\.\d{1,3}\.\d{1,3}
169\.254\.\d{1,3}\.\d{1,3}	127\.\d{1,3}\.\d{1,3}\.\d{1,3}	172\.1[6-9]{1}\.\d{1,3}\.\d{1,3}
172\.2[0-9]{1}\.\d{1,3}\.\d{1,3}	172\.3[0-1]{1}\.\d{1,3}\.\d{1,3}	0:0:0:0:0:0:0:1
::1`	Regular expression that matches proxies that are to be trusted.	server.tomcat.remoteip.port-header
X-Forwarded-Port	Name of the HTTP header used to override the original port value.	server.tomcat.remoteip.protocol-header
	Header that holds the incoming protocol, usually named "X-Forwarded-Proto".	server.tomcat.remoteip.protocol-header-https-value
https	Value of the protocol header indicating whether the incoming request uses SSL.	server.tomcat.remoteip.remote-ip-header
	Name of the HTTP header from which the remote IP is extracted.	spring.codec.log-request-details
false	Whether to log form data at DEBUG level, and headers at TRACE level.	spring.data.cassandra.page-size
5000	Queries default page size.	spring.data.cassandra.session-name
	Name of the Cassandra session.	spring.flyway.default-schema
	Default schema name managed by Flyway (case-sensitive).	spring.mvc.converters.preferred-json-mapper
	Preferred JSON mapper to use for HTTP message conversion.	spring.mvc.log-request-details
false	Whether logging of (potentially sensitive) request details at DEBUG and TRACE level is allowed.	spring.rabbitmq.requested-channel-max

Table 3. Removed keys in 2.3.0.M1

Key	Replacement	Reason
management.health.elasticsearch.indices		Comma-separated index names.
management.health.elasticsearch.response-timeout	100ms	Time to wait for a response from the cluster.
management.health.status.http-mapping
management.metrics.web.client.requests-metric-name
management.metrics.web.server.auto-time-requests
management.metrics.web.server.requests-metric-name
spring.data.cassandra.jmx-enabled		Cassandra no longer providers JMX metrics.
spring.data.cassandra.pool.pool-timeout		No longer available.
spring.data.cassandra.port		each contact point must be of the form 'host:port'.
spring.data.elasticsearch.cluster-name	elasticsearch	Elasticsearch cluster name.
spring.data.elasticsearch.cluster-nodes		Comma-separated list of cluster node addresses.
spring.data.elasticsearch.properties		Additional properties used to configure the client.
spring.elasticsearch.jest.connection-timeout	3s	Connection timeout.
spring.elasticsearch.jest.multi-threaded	true	Whether to enable connection requests from multiple execution threads.
spring.elasticsearch.jest.password		Login password.
spring.elasticsearch.jest.proxy.host		Proxy host the HTTP client should use.
spring.elasticsearch.jest.proxy.port		Proxy port the HTTP client should use.
spring.elasticsearch.jest.read-timeout	3s	Read timeout.
spring.elasticsearch.jest.uris	http://localhost:9200	Comma-separated list of the Elasticsearch instances to use.
spring.elasticsearch.jest.username		Login username.
spring.http.converters.preferred-json-mapper	spring.mvc.converters.preferred-json-mapper
spring.http.encoding.charset	server.servlet.encoding.charset
spring.http.encoding.enabled	server.servlet.encoding.enabled
spring.http.encoding.force	server.servlet.encoding.force
spring.http.encoding.force-request	server.servlet.encoding.force-request
spring.http.encoding.force-response	server.servlet.encoding.force-response
spring.http.encoding.mapping	server.servlet.encoding.mapping
spring.http.log-request-details	spring.mvc.log-request-details
spring.jackson.joda-date-time-format		Joda date time format string.
spring.rabbitmq.listener.simple.transaction-size
spring.rabbitmq.publisher-confirms