Apache camel 4.0.0-RC1 Release

New and Noteworthy

This release is the first release candidate towards the Camel 4.0.0 release.

Supported Java version

This version supports Java 17.

Getting the Binaries using Maven

To use this release in your Apache Maven pom.xml, import the Camel Bill of Materials (BOM) and then include the camel-core and any other components needed without specifying the version.

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-bom</artifactId>
      <version>4.0.0-RC1</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

<dependencies>
  <dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-core</artifactId>
  </dependency>
  <dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-COMPONENT</artifactId>
  </dependency>
</dependencies>

To use this release in a Spring Boot application, use Spring Boot spring-boot-dependencies and Camel camel-spring-boot-bom Bill of Materials (BOM):

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-dependencies</artifactId>
      <version> SPRING BOOT VERSION HERE </version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
    <dependency>
      <groupId>org.apache.camel.springboot</groupId>
      <artifactId>camel-spring-boot-bom</artifactId>
      <version>4.0.0-RC1</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

<dependencies>
  <dependency>
    <groupId>org.apache.camel.springboot</groupId>
    <artifactId>camel-COMPONENT-starter</artifactId>
  </dependency>
</dependencies>

Apache Camel

Download	Signature and checksum
apache-camel-4.0.0-RC1-src.zip (Sources)	PGP Signature, SHA512 Checksum

Download

Signature and checksum

apache-camel-4.0.0-RC1-src.zip (Sources)

PGP Signature, SHA512 Checksum

Git tag checkout

Release is tagged with camel-4.0.0-RC1 in the Git, to fetch it use:

git clone https://git-wip-us.apache.org/repos/asf/camel.git
cd camel
git checkout camel-4.0.0-RC1

Resolved issues

Here is a list of all the issues that have been resolved for this release

Bug (28)

CAMEL-19486: The $repos placeholder used by Camel JBang is not resolved
CAMEL-19476: rest-dsl - ClientRequestValidation accepted content-type may not validate correctly
CAMEL-19470: Exchange body is null when using Mongodb changeStreams with update operation
CAMEL-19459: camel-report-maven-plugin fails to run due to missing class
CAMEL-19457: camel-dynamic-router - InflightRepository size can be negative
CAMEL-19452: camel-jbang - Run with --open-api does not show log in console
CAMEL-19443: camel-kamelet - Route templates should use route configured error handler
CAMEL-19432: camel-azure-eventhubs: Providing a custom EventHubProducerAsyncClient has no effect
CAMEL-19426: Spring-WS syntaxt and path properties inconsistency
CAMEL-19421: Camel-Jira: Use Files.createTempFile in FileConverter instead of creating File directly
CAMEL-19415: camel-stax: using xtokenize might be NPE on xml default namespace
CAMEL-19405: camel-jbang - camel get circuitbreaker may not work
CAMEL-19399: camel-cxf - Prevent storing invalid entry in Converter cache on error
CAMEL-19393: camel-kafka - Configuring kafka option should no longer all be string types
CAMEL-19387: camel-kafka - Cannot set custom azure credential provider
CAMEL-19383: camel-jslt: allowTemplateFromHeader ignores header on subsequent exchanges
CAMEL-19381: Infinite loop creating processes with Camel JBang
CAMEL-19373: spring-rabbitmq - Component does not Respect replyTimeout for InOut Exchanges
CAMEL-19371: RedeliveryErrorHandler's suppressed exceptions cause memory leak and logging issue
CAMEL-19364: Rest-openapi: lookup mechanism does not work after changes from Camel-18963
CAMEL-19359: camel-spring-boot - When camel start graceful shutdown, it still receive new request during graceful shutdown.
CAMEL-19345: KameletDiscoveryTest fails to find routeTemplate
CAMEL-19342: Rest Inline Routes mixed with direct routes.
CAMEL-19314: camel-aws - Connection pool shutdown when aws health checks are used
CAMEL-19298: Snmp: version 3 is not supported for several actions for the component
CAMEL-19295: Concurrency issues with dynamicMap in AbstractDynamicRegistry
CAMEL-19281: Aws2- healthchecks not closing resources for awsClient
CAMEL-18965: Camel-CXF: OnCompletion not working anymore

Dependency upgrade (22)

CAMEL-19503: camel-jbang - Upgrade to maven-resolver 1.9.13
CAMEL-19490: camel-elasticsearch - Upgrade to 8.8.x
CAMEL-19480: camel-netty - Upgrade to 4.1.94
CAMEL-19472: camel-spring-boot - Upgrade to 3.1.1
CAMEL-19468: camel-xslt-saxon - Upgrade to Saxon-HE 12.2
CAMEL-19464: camel-kafka - Upgrade to 3.5.x
CAMEL-19460: upgrade to apache 30
CAMEL-19458: Bouncycastle 1.73 to 1.74
CAMEL-19451: Import grpc-bom to build and test with a single deterministic set of gRPC dependencies
CAMEL-19448: camel-jackson - Upgrade to 2.15.2
CAMEL-19440: Manage caffeine to build and test with a single deterministic version
CAMEL-19439: Import jackson-bom to build and test with a single deterministic set of jackson dependencies
CAMEL-19424: Upgrade MicroProfile component versions
CAMEL-19407: camel-kubernetes - Upgrade to 6.7.x
CAMEL-19389: camel-cxf - Upgrade to 4.0.2
CAMEL-19348: camel-tracing - Upgrade to 1.11.0
CAMEL-19347: camel-spring-boot- Upgrade to 3.1.0
CAMEL-19340: camel-jbang - Upgrade to maven-resolver 1.9.10
CAMEL-19317: camel-kubernetes - Upgrade to 6.6.x
CAMEL-19301: camel-jbang - Upgrade to hawtio 2.17.2
CAMEL-19287: camel-debezium - Upgrade to 2.2
CAMEL-18924: camel-lucene - Upgrade to 9.6.0

Improvement (49)

CAMEL-19478: camel-core - Add synchronous option to some EIPs like split
CAMEL-19477: MeterRegistry collects authorization data
CAMEL-19471: camel-yaml-dsl - JSON library enum consistency
CAMEL-19467: should servlet and rest throw exceptions when duplicate and ambiguous paths occur
CAMEL-19456: The invocation of the removeRoute() method is too slow when using RAW().
CAMEL-19455: camel-cxf - Ensure REQUEST_CONTEXT & RESPONSE_CONTEXT headers are Map when populating CXF Message from Camel Message
CAMEL-19454: camel-jbang - Export should support --open-api
CAMEL-19453: camel-jbang - Run with --open-api to support yaml spec files
CAMEL-19449: camel-yaml-io - YAML dumper configure if uri should be expanded into parameters
CAMEL-19435: camel-core - Remove String -> File converter
CAMEL-19423: camel-jira - Do not have file converter
CAMEL-19417: camel-spring-rabbitmq - convert all message properties by default
CAMEL-19414: camel-core - IOConverter from File to Path
CAMEL-19396: camel-management - Add DoCatch and DoFinally as managed processors
CAMEL-19380: camel-core - CamelContext should use plugin for RuntimeConfiguration
CAMEL-19379: EndpointSchemaGeneratorMojo: Improve "Could not find component java type" error message
CAMEL-19378: File Changed ReadLock Strategy with minAge only looks for lastModified
CAMEL-19377: camel-platform-http - Return 503 if consumer is suspended
CAMEL-19370: camel-jbang - Make it possible to show full url for very long endpoints
CAMEL-19368: camel-main - Auto detect custom EventNotifer from registry
CAMEL-19366: camel-core - Trigger reload via dev console make it async
CAMEL-19362: camel-core - Tracing without inner details of Kamelets
CAMEL-19361: camel-jbang - Parse trait.camel.apache.org/camel.properties from KameletBinding
CAMEL-19360: camel-jbang - Export a set of files
CAMEL-19357: camel-jbang - Use a vertx task for tasks to avoid blocking io thread
CAMEL-19354: camel-mybatis - Autowired sql connection factory
CAMEL-19353: Camel-Jbang reload exception
CAMEL-19352: Improve camel-mybatis documentation
CAMEL-19350: camel-jpa: Output into header/property
CAMEL-19336: camel-core-model - EIP model json should have index order for properties
CAMEL-19331: camel-jbang - camel stop - should stop if there is only 1 running
CAMEL-19327: camel-jpa: Single result
CAMEL-19326: camel-jbang - Register reload services eager
CAMEL-19322: camel-jbang - Source Dir to support application.properties
CAMEL-19313: camel-jbang - Provide a way to append Maven repository provided from command-line to the one provided in configuration
CAMEL-19311: Review the SimpleLRUCache to become thread-safe
CAMEL-19306: camel-jbang - Allow to load yaml files with beans only
CAMEL-19302: Use filename to generate id of route when creating Camel file in XML DSL with Camel JBang
CAMEL-19135: components - Reduce number of different Category
CAMEL-18874: camel-file - When possible, pass the exchange to the exception handler
CAMEL-18769: camel-jbang - Catalog to select runtime
CAMEL-18638: Deprecate label property on all annotations in favor of category.
CAMEL-18536: camel-joor - Rename joor language to java
CAMEL-18177: camel-slack - Honour Retry-After when requests are rate-limited
CAMEL-18078: CamelGoogleSheets.valueInputOption not documented for google-sheets://data/append
CAMEL-17652: camel-minio - Auto create bucket should not be done in endpoint
CAMEL-17528: camel-core-model - Description should just be text
CAMEL-15462: route coverage report - May report 0 for doCatch even if its in use
CAMEL-15105: camel-core - Extension or getter/setter on ExtendedCamelContext

New Feature (15)

CAMEL-19349: camel-core - Dev console for source to support camel-jbang source-dir
CAMEL-19344: camel-jbang - Reload to source dir via http
CAMEL-19325: azure-cosmosdb: Add default identity authentication
CAMEL-19320: camel-jbang - Add command to reload
CAMEL-19309: camel-jbang - Run with empty folder
CAMEL-19308: Add support for spring boot 3 native and AOT
CAMEL-19307: camel-yaml-io - YAML route dumper
CAMEL-19304: JPA paging support
CAMEL-19299: camel-console - Add dev console for bean registry
CAMEL-19273: Create and release a container image for using camel-jbang
CAMEL-19159: Camel-AWS: Support Profile Credential provider as configuration
CAMEL-18793: camel-core - Log component - Pretty print xml or json
CAMEL-17946: camel-as2 - Add https support
CAMEL-17495: camel-as2 - No support for application/xml content type
CAMEL-13573: Parquet Dataformat: supporting parquet files in marshal / unmarshal

Task (22)

CAMEL-19475: camel-spring-boot: create a camel-activemq starter
CAMEL-19429: Re-add camel-activemq component
CAMEL-19418: camel-cxf - "Description of relayHeaders option" section of CXF component page is out of date
CAMEL-19410: Camel 4.0.0-M3 with Velocity - Deprecation warning
CAMEL-19408: camel-swift - Restore the component
CAMEL-19403: Parquet Dataformat: Create Spring Boot Starter
CAMEL-19402: test-infra - Reduce the boilerplate code needed
CAMEL-19400: camel-elasticsearch - Reduce integration tests duration
CAMEL-19386: Support object property on template bean
CAMEL-19384: Wrong declaration of minimal Java version on pom (inherited)
CAMEL-19376: camel-core - XmlStreamDetector security
CAMEL-19375: Upgrade to angus-mail 2.0
CAMEL-19365: camel-undertow: UndertowHttpsSpringTest broken after upgrade
CAMEL-19363: Upgrade Spring Batch to version 5.x
CAMEL-19328: CamelAwsSesTo and CamelAwsSesReplyToAddresses update documentation with String instead of List
CAMEL-19319: Type check misses
CAMEL-19290: camel-solr - Remove component as its not maintainable
CAMEL-19163: camel-google-*: Improve google dependency alignment across camel-google components
CAMEL-19102: camel-core: Producer cache offers poor performance due to the type check scalability issue
CAMEL-19060: Scalability ceiling: seda
CAMEL-19058: Type check scalability issue
CAMEL-19052: Angus-Mail: Move to 2.x

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