Spring Boot 2.3.0 RC1 Configuration Changelog

Configuration properties change between 2.3.0.M4 and 2.3.0.RC1

Table 1. Deprecated keys in 2.3.0.RC1

Key	Replacement	Reason
management.metrics.distribution.sla	management.metrics.distribution.slo
management.metrics.export.ganglia.protocol-version		No longer used by Micrometer.
management.metrics.export.ganglia.rate-units		No longer used by Micrometer.
spring.data.cassandra.connect-timeout	spring.data.cassandra.connection.init-query-timeout
spring.data.cassandra.consistency-level	spring.data.cassandra.request.consistency
spring.data.cassandra.read-timeout	spring.data.cassandra.request.timeout
spring.data.cassandra.serial-consistency-level	spring.data.cassandra.request.serial-consistency
spring.jta.bitronix.properties.allow-multiple-lrc
spring.jta.bitronix.properties.asynchronous2-pc
spring.jta.bitronix.properties.background-recovery-interval-seconds
spring.jta.bitronix.properties.current-node-only-recovery
spring.jta.bitronix.properties.debug-zero-resource-transaction
spring.jta.bitronix.properties.default-transaction-timeout
spring.jta.bitronix.properties.disable-jmx
spring.jta.bitronix.properties.exception-analyzer
spring.jta.bitronix.properties.filter-log-status
spring.jta.bitronix.properties.force-batching-enabled
spring.jta.bitronix.properties.forced-write-enabled
spring.jta.bitronix.properties.graceful-shutdown-interval
spring.jta.bitronix.properties.jndi-transaction-synchronization-registry-name
spring.jta.bitronix.properties.jndi-user-transaction-name
spring.jta.bitronix.properties.journal
spring.jta.bitronix.properties.log-part1-filename
spring.jta.bitronix.properties.log-part2-filename
spring.jta.bitronix.properties.max-log-size-in-mb
spring.jta.bitronix.properties.resource-configuration-filename
spring.jta.bitronix.properties.server-id
spring.jta.bitronix.properties.skip-corrupted-logs
spring.jta.bitronix.properties.warn-about-zero-resource-transaction
spring.mvc.date-format	spring.mvc.format.date
spring.webflux.date-format	spring.webflux.format.date

Table 2. New keys in 2.3.0.RC1

Key	Default value	Description
management.metrics.distribution.slo		Specific service-level objective boundaries for meter IDs starting with the specified name.
management.metrics.export.appoptics.floor-times	false	Whether to ship a floored time, useful when sending measurements from multiple hosts to align them on a given time boundary.
management.metrics.export.elastic.index-date-separator	-	Prefix to separate the index name from the date format used for rolling indices.
management.metrics.export.elastic.pipeline		Ingest pipeline name.
management.metrics.export.graphite.graphite-tags-enabled		Whether Graphite tags should be used, as opposed to a hierarchical naming convention.
management.metrics.export.newrelic.client-provider-type		Client provider type to use.
management.metrics.export.prometheus.histogram-flavor	prometheus	Histogram type for backing DistributionSummary and Timer.
management.metrics.export.wavefront.sender.flush-interval	1s
management.metrics.export.wavefront.sender.max-queue-size	50000
management.metrics.export.wavefront.sender.message-size
server.error.include-binding-errors	never	When to include "errors" attribute.
server.error.include-message	never	When to include "message" attribute.
server.servlet.register-default-servlet	true	Whether to register the default Servlet with the container.
spring.data.cassandra.connection.connect-timeout	5s	Timeout to use when establishing driver connections.
spring.data.cassandra.connection.init-query-timeout	500ms	Timeout to use for internal queries that run as part of the initialization process, just after a connection is opened.
spring.data.cassandra.request.consistency		Queries consistency level.
spring.data.cassandra.request.page-size	5000	How many rows will be retrieved simultaneously in a single network roundtrip.
spring.data.cassandra.request.serial-consistency		Queries serial consistency level.
spring.data.cassandra.request.throttler.drain-interval	10ms	How often the throttler attempts to dequeue requests.
spring.data.cassandra.request.throttler.max-concurrent-requests	10000	Maximum number of requests that are allowed to execute in parallel.
spring.data.cassandra.request.throttler.max-queue-size	10000	Maximum number of requests that can be enqueued when the throttling threshold is exceeded.
spring.data.cassandra.request.throttler.max-requests-per-second	10000	Maximum allowed request rate.
spring.data.cassandra.request.throttler.type	none	Request throttling type.
spring.data.cassandra.request.timeout	2s	How long the driver waits for a request to complete.
spring.datasource.hikari.exception-override-class-name
spring.mvc.format.date		Date format to use, for example dd/MM/yyyy.
spring.mvc.format.date-time		Date-time format to use, for example yyyy-MM-dd HH:mm:ss.
spring.mvc.format.time		Time format to use, for example HH:mm:ss.
spring.webflux.format.date		Date format to use, for example dd/MM/yyyy.
spring.webflux.format.date-time		Date-time format to use, for example yyyy-MM-dd HH:mm:ss.
spring.webflux.format.time		Time format to use, for example HH:mm:ss.

Table 3. Removed keys in 2.3.0.RC1

Key	Replacement	Reason
management.metrics.export.appoptics.num-threads
management.metrics.export.datadog.num-threads
management.metrics.export.dynatrace.num-threads
management.metrics.export.elastic.num-threads
management.metrics.export.humio.num-threads
management.metrics.export.influx.num-threads
management.metrics.export.kairos.num-threads
management.metrics.export.newrelic.num-threads
management.metrics.export.signalfx.num-threads
management.metrics.export.stackdriver.num-threads
management.metrics.export.wavefront.connect-timeout
management.metrics.export.wavefront.num-threads
management.metrics.export.wavefront.read-timeout
spring.data.cassandra.page-size	5000	Queries default page size.
spring.data.cassandra.pool.max-queue-size	spring.data.cassandra.request.throttler.max-queue-size