This page provides a dedicated overview of patch releases for the Axon Server (Standard Edition) releases
Release 4.5
Release 4.5.12
Deprecated "/v1/backup/filenames" endpoint, use new endpoint /v1/backup/eventstore instead. The new endpoint returns all files to back up, given a last closed segment number, it also returns the currently last closed segment.
Release 4.5.11
Updated Spring Boot version to 2.5.12 to fix CVE-2022-22965
Release 4.5.10
Updated gRPC version from 1.42.0 to 1.42.2 to avoid CVE-2021-22569
Release 4.5.9
Updated gRPC and Netty versions
Improved logging on client application disconnects
Fix: missing/double icons on plugin page
Release 4.5.8
Update Felix to version 7.0.1 to support java 17
Update JQuery to version 3.6.0
Fix: incorrect login url when AS is invoked behind a reverse proxy
Fix: NullPointerException in health check
Release 4.5.7
Fix: UI issues when running with another context root
Fix: UI does not refresh the icons for event processor streams
Fix: Balancing processors for a processing group containing special characters does not work from the UI
Fix: Warning logged when a client closes an event stream while it is reading from old segments
Remove timing metrics for commands/queries for clients no longer connected
Release 4.5.6
Fix: Memory leak in subscription query registrations
Release 4.5.5
Fix: Improved error handling and feedback when uploading invalid plugins
Fix: Increase default settings for spring.servlet.multipart.max-request-size and spring.servlet.multipart.max-file-size to 25MB
Release 4.5.4.1
Fix: In case of timeout during query execution, AS sends a timeout error to the client before canceling the query.
Fix: Close event store segment file when reading is complete
Release 4.5.3
Fix: Reset event store with multiple segments
Fix: Regression in loading aggregate events performance
Fix: Handle queries with same request type but different response type
New metrics added:
file.bloom.open: counts the number of bloom filter segments opened since start
file.bloom.close: counts the number of bloom filter segments closed since start
file.segment.open: counts the number of event store segments opened since start
local.aggregate.segments: monitors the number of segments that were accessed for reading aggregate event requests
Notes:
Default value for configuration property axoniq.axonserver.event.events-per-segment-prefetch is decreased from 50 to 10.
Release 4.5.2
Improved performance for reading aggregates
Axon Server is now reading events for an aggregate from multiple event store segments in parallel. The order in which Axon Server returns the events remains unchanged.
Reduced memory usage for in-memory indexes
Axon Server maintains index entries for the latest event store segment in-memory. The structure of this data has been changed to reduce the heap used by this index.
Improvements in shutdown process
Fix: Load balancing operations for processors should ignore stopped instances
Fix: Stop reading events when query deadline expires
Release 4.5.1
Configurable strategy for aggregate events stream sequence validation (through property read-sequence-validation-strategy)
Fix in UI for check for updates
Release 4.4
Release 4.4.12
Fix: Load balancing operations for processors should ignore stopped instances
Fix: Stop reading events when query deadline expires
Release 4.4.11
Configurable strategy for aggregate events stream sequence validation (through property read-sequence-validation-strategy)
Release 4.4.10
Fix for subscription queries in case of missing query handler
Release 4.4.9
Fix for concurrency issue in listing aggregates events during appending events for the same aggregate
Release 4.4.8
New metric to monitor query response times per query handler
Release 4.4.7
Improvement for subscription query: initial result are now provided by a single instance per component
Release 4.4.6
Fix for processor information showing information on disconnected applications
Fix for issue with null expressions in ad-hoc queries
Updated GRPC version to 1.34.0
Added option to limit the number of commands/queries in progress
Release 4.4.5
Improved reporting of errors while initializing the event store
Fix for NullPointerException when event processor status was sent to Axon Server before registration request was processed
Improved handling of request processor status after an application disconnect
Release 4.4.4
Improved QueryService logging
Added preserve event store option to delete context CLI command
Fixed stream completed by the server in case of inactivity
Hide upload license panel in SE
Reduced number of open index files
Fix for GetTokenAt operation
Release 4.4.3
Fix for connections not correctly registered
Changed initialization sequence for event store to initialize completed segments first
Release 4.4.2
Offload expensive data-writing operations to a separate thread pool
Fix for reading aggregates with older snapshots
Release 4.4.1
Reduced latency when Tracking live Events from a follower
Improved handling of full queue to client
Fix the refresh of the event processor status
Release 4.3
Release 4.3.6
Fixed concurrency issue in subscribing/unsubscribing commands
Release 4.3.5
Fixed logging in IndexManager
Release 4.3.4
Reduced risk for contention when opening an index file
Offload expensive data-fetching operations to separate thread pool
Option to configure the way that index files are opened (memory mapped or file channel based)
Limit the amount of commands/queries held in Axon Server waiting for the handlers to be ready to handle them, to avoid out of memory errors on Axon Server
Release 4.3.3
Fix for validation error starting up when there are multiple snapshot files (Standard Edition only)
Release 4.3.2
Fix for tracking event processor updates to websocket causing high CPU load in specific situation
Reduced warnings in log file on clients disconnecting
Fix for concurrency issue in sending heartbeat while client connects/disconnects
Release 4.3.1
Updated usage output in CLI
Updated gRPC/Netty versions
Prevent errors in log (sending ad-hoc result to client that has gone, sending heartbeat to client that has gone)
Release 4.2
Release 4.2.4
Improved support for running management server on separate port
Release 4.2.3
Fix for pending queries with lost connection
Release 4.2.2
Added instruction acknowledgements
Client applications heartbeat support
Cleaned-up logging
Fix for specific error while reading aggregate
Optional heartbeat between Axon Server and Axon Framework clients
Release 4.2.1
Fixes required for enterprise edition only
Release 4.1
Release 4.1.7
Use info endpoint to retrieve version number and product name
Reset reserved sequence numbers for aggregate when storing the event failed
Release 4.1.6
Added operation to set cached version numbers for aggregates
Release 4.1.5
Fix for authorization path mapping and improvements for rest access control
Improvements in release procedure for docker images
Fix for subscription query memory leak
Improvements in error reporting in case of disconnected applications
Improvements in detection of insufficient disk space
Release 4.1.4
Fix for appendEvent with no events in stream
Release 4.1.3
CLI commands now can be performed locally without token.
Release 4.1.2
Status displayed for tracking event processors fixed when segments are running in different applications
Tracking event processors are updated in separate thread
Logging does not show application data anymore
Changed some gRPC error codes returned to avoid clients to disconnect when no command handler found for a command
Release 4.1.1
Sources now available in public GitHub repository
Merge tracking event processor not always available when it should
Logging changes
GRPC version update
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