Apache camel 4.0.0-M2 Release

New and Noteworthy

This release is the second milestone 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-M2</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-M2</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-M2-src.zip (Sources)	PGP Signature, SHA512 Checksum

Download

Signature and checksum

apache-camel-4.0.0-M2-src.zip (Sources)

PGP Signature, SHA512 Checksum

Git tag checkout

Release is tagged with camel-4.0.0-M2 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-M2

Resolved issues

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

Bug (18)

CAMEL-19112: Unable to init camel file with JBang for multi dot file name suffix - eg 'foo.camel.yaml'
CAMEL-19111: Yaml DSL does not seem to work with split/xtokenize
CAMEL-19098: Possible performance issue invoking a bean method with a string parameter
CAMEL-19079: NullPointerException thrown when using the language:xquery endpoint
CAMEL-19075: camel-bean - Incorrect choice of overloaded method with several arguments, if one of them has brackets.
CAMEL-19067: Camel-JBang | camel init creates file but errors out on Windows
CAMEL-19066: Multicast EIP sets correlationId on original Exchange
CAMEL-19051: Camel-opentelemetry: Avoid using the GlobalOpenTelemetry.get() and allow for injection of ContextPropagators
CAMEL-19047: CamelTestSupport (junit5) - quarkus and springboot checks are not executed with ContextPerClass
CAMEL-19034: Camel-AWS2-S3: GetObject should preserve the metadata
CAMEL-19031: When camel saga do compensated, the saga route don't stop it still run the next task.
CAMEL-19026: camel-jbang - camel.main.backlogTracing=true
CAMEL-19018: camel-vertx-http: Headers may get erroneously duplicated
CAMEL-19006: XML IO DSL do not load templatedRoutes without XML namespace
CAMEL-19004: XML IO DSL do not parse route configuration with XML namespace
CAMEL-19002: camel-jbang - Log command should detect lines without timestamp
CAMEL-18980: camel snmp - SNMP Ver1 trap does not work
CAMEL-18954: camel-micrometer - NPE on spring boot

Dependency upgrade (15)

CAMEL-19123: camel-jbang - upgrade maven-resolver to 1.9.7
CAMEL-19110: camel-spring-boot - Upgrade to 3.0.4
CAMEL-19092: camel-jbang - upgrade maven-resolver-api to 1.9.5
CAMEL-19059: camel-snmp - Use original JAR instead of SMX wrap
CAMEL-19039: camel-jms - Upgrade to Artemis 2.28.x
CAMEL-19029: camel-twilio - Upgrade twilio-java to a version Jakarta compatible
CAMEL-19005: Update PubNub to 6.x
CAMEL-19003: Avoid using old guava versions
CAMEL-18999: camel-sshd - Upgrade to 2.9.x
CAMEL-18997: camel-mina - Upgrade to 2.2.1
CAMEL-18994: Huawei Cloud SDK: Bump to 3.1.x
CAMEL-18993: camel-qpid - Upgrade to 2.2 and 9.0 broker
CAMEL-18987: camel-zookeeper - Upgrade to 3.8.x
CAMEL-18824: upgrade to newer guava versions
CAMEL-18610: Support Debezium 2.0

Improvement (19)

CAMEL-19109: camel-vertx-websocket: Consumer should avoid blocking the Vert.x event loop
CAMEL-19094: Tokenizer ignores includeTokens
CAMEL-19093: camel-jbang - Run local JAR should add to classpath so can be used in Java DSL
CAMEL-19089: camel-core - Remove ExchangePattern.InOptionalOut
CAMEL-19083: camel-yaml-dsl: Add a doc section that links to the schema
CAMEL-19078: camel-platform-http-vertx: Allow response headers with empty values to be returned
CAMEL-19076: camel-jbang - Tracer to have option to show also internal exchange properties
CAMEL-19073: camel-core - Properties component - reload properties for only changed
CAMEL-19072: camel-yaml-dsl - Remove backwards compatible 3.15 parser
CAMEL-19071: camel-jbang - Reload all routes in changes to application.properties in dev mode
CAMEL-19064: Camel-Freemarker: Do not set DEFAULT_INCOMPATIBLE_IMPROVEMENTS in the Freemarker configuration
CAMEL-19055: camel-core - Backlog tracer capture thread id of the processed exchange
CAMEL-19043: camel-core - Add Exchange.RECEIVED_TIMESTAMP as internal exchange property
CAMEL-19042: camel-quarkus-catalog - Uses 0.0.1 version
CAMEL-19040: camel-core - Backlog tracer to capture exception and exchange properties
CAMEL-19025: camel-jbang - doc command should be case insensitive in filter
CAMEL-19008: spring-rabbitmq component does not fail on sending to non-existent RabbitMQ topic
CAMEL-18990: camel-jbang - Export to Quarkus should add resources for native compilation
CAMEL-18986: camel-core - ProducerTemplate send exchange should set from endpoint if null

New Feature (7)

CAMEL-19069: Presigned urls in camel-minio component
CAMEL-19044: Camel-Jbang catalog output in JSON
CAMEL-19033: camel-jbang - Add trace command
CAMEL-19030: camel-jbang - doc and catalog to support --camel-version option
CAMEL-19027: camel-console - Add dev console for backlog tracer
CAMEL-18989: camel-jbang - Run custom distributions of Camel
CAMEL-18131: camel-health - Add health checks for components that has extension for connectivity verification

Sub-task (1)

CAMEL-18991: Camel-Google-Storage: Health Check for consumer

Task (13)

CAMEL-19117: camel-catalog - Remove archetypeAsXml from CamelCatalog
CAMEL-19091: camel-core - Remove Discard and DiscardOldest from thread pool policy
CAMEL-19088: camel-core - Remove SafeCopyProperty that was only in use for camel-zipkin
CAMEL-19070: camel-elasticsearch: flaky tests on Apache CI
CAMEL-19054: Camel-Fastjson: Switch to 2.x
CAMEL-19011: update release notes to point users to use camel-bom / camel-spring-boot-bom
CAMEL-19009: camel-gson - Date Format with GsonBuilder
CAMEL-19007: camel-yaml-dsl - Deprecate classic parsing mode
CAMEL-18996: Camel-CassandraQL: Adding a parameter to pass a list of ExtraTypesCodec to SessionBuilder
CAMEL-18984: camel-undertow-spring-security-starter - Migrate to Spring Boot 3
CAMEL-18982: Avoid custom versions of maven javadoc and resource plugin
CAMEL-18971: Camel-Spring-Boot: Add SBOM generation
CAMEL-18930: camel-spring-boot - Migrate undertow-security

Test (2)

CAMEL-19084: camel-yaml-dsl: Test resume strategies
CAMEL-18988: camel-core: tests failing due to (likely) OOM

Wish (1)

CAMEL-18305: Make XML Dumper work XML-IO

Keys

You can verify your download by following these procedures and using these KEYS.