Apache camel 4.18.1 Release

New and Noteworthy

This release is the new Camel 4.18.1 LTS release.

Supported Java version

This version supports Java 17 and 21.

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>4.18.1</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>4.18.1</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-4.18.1-src.zip (Sources)	PGP Signature, SHA512 Checksum
apache-camel-4.18.1-sbom.xml (SBOM, CycloneDX XML)	PGP Signature, SHA512 Checksum
apache-camel-4.18.1-sbom.json (SBOM, CycloneDX JSON)	PGP Signature, SHA512 Checksum

Download

Signature and checksum

apache-camel-4.18.1-src.zip (Sources)

PGP Signature, SHA512 Checksum

apache-camel-4.18.1-sbom.xml (SBOM, CycloneDX XML)

PGP Signature, SHA512 Checksum

apache-camel-4.18.1-sbom.json (SBOM, CycloneDX JSON)

PGP Signature, SHA512 Checksum

Git tag checkout

Release is tagged with camel-4.18.1 in the Git, to fetch it use:

git clone https://git-wip-us.apache.org/repos/asf/camel.git
cd camel
git checkout camel-4.18.1

Resolved issues

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

Bug (27)

CAMEL-23191: Path parameters incorrectly extracted when server.servlet.context-path is configured
CAMEL-23174: Kamelet: transformer in aws-ddb-sink is not executed
CAMEL-23123: S3Presigner does not honor forcePathStyle configuration in createDownloadLink/createUploadLink operations
CAMEL-23122: camel-core - DefaultErrorHandler with logExhausted(false) still logs
CAMEL-23116: CamelContext is never stopped when using @TestInstance(Lifecycle.PER_CLASS) with CamelTestSupport
CAMEL-23115: camel-openapi-java - base.path option will never survive if context-path is set
CAMEL-23106: camel-docling - Remove temp file in DoclingProducer.getInputPath()
CAMEL-23105: camel-docling - Fix broken async conversion workflow (discarded result and error masking)
CAMEL-23101: camel-minio error writing to object store
CAMEL-23100: camel-bom has SNAPSHOT in camel-bom 4.18.0 release
CAMEL-23062: camel-openai: encodingFormat option does not take effect
CAMEL-23061: camel-sql - SqlConsumer NPE if using exchange factory statistics
CAMEL-23051: camel-yaml-dsl-validator - Tooling for offline validate should support property placeholders
CAMEL-23036: camel-core - NPE when pooled exchange in split at UoW done
CAMEL-23035: camel-core - Simple language using colon or question mark can conflict with ternary operator
CAMEL-23033: camel-yaml-dsl - Setting routePolicy on route should be routePolicyRef
CAMEL-23032: camel-nats consumer sends ACK regardless of the Exchange processing/delivery result
CAMEL-23031: Regression from CAMEL-22354 in camel-csv
CAMEL-23030: Streaming splitter with aggregation using synchronous executor results in StackOverflowError
CAMEL-23028: camel-jbang - Transform route with transacted does not include following steps
CAMEL-23024: camel-jbang - Route dumper for YAML with setHeaders / setVariables EIP
CAMEL-23023: camel-kafka - Kafka consumers are started to eager before CamelContext is fully started
CAMEL-23018: camel-rest-openapi - Response operation with content-type by no schema causes NPE
CAMEL-23015: camel-jbang - YAML DSL dump of route with Saga EIP does not dump completion/compensation correctly
CAMEL-23012: camel-jbang - Resequence EIP route dump to YAML is wrong for batch config
CAMEL-23011: camel-mcp - camel_catalog_components returns Internal Server Error
CAMEL-23002: camel plugin add xyz - should ignore the gav in the camel-jbang-user.properties

Dependency upgrade (3)

CAMEL-23163: camel-spring-boot - Upgrade to 3.5.12
CAMEL-23027: camel-spring-boot - Upgrade to SB 3.5.11
CAMEL-23026: camel-cxf - Upgrade to CXF 4.1.5

Improvement (18)

CAMEL-23224: camel-mail - MailHeaderFilterStrategy should also filter inbound headers
CAMEL-23222: camel-coap: Integrate HeaderFilterStrategy for CoAP query parameter to header mapping
CAMEL-23169: camel-jbang - Export to camel main as fat-jar should can cause overrides in META-INF services files that camel-jq needs
CAMEL-23119: camel-launcher - Add validate plugin
CAMEL-23114: camel-jbang - camel version list - Add --vendor flag
CAMEL-23111: camel-jbang - camel run - YAML parsing errors not published to OTEL
CAMEL-23107: camel-docling - Add CLI command validation in buildDoclingCommand
CAMEL-23094: camel-core - Saga EIP fix model for completion and compensation
CAMEL-23085: camel-nats - Make more options configurable on component level
CAMEL-23084: camel-jbang - camel infra log - May log duplicate
CAMEL-23081: camel-milo - Allow overriding the server reported endpoint port
CAMEL-23048: camel-core - Simple init block to require using semi colon to end each variable
CAMEL-23047: camel-core - Add val function to simple
CAMEL-23046: camel-mail - Auto start IdempotentRepository
CAMEL-23029: Camel-Consul: Add ObjectInputFilter String pattern parameter in ConsulRegistry to be used in deserialize operations
CAMEL-23025: camel-core - Tokenizer language should work with \n out of the box in XML and YAML DSL
CAMEL-23003: camel-test-infra - Align Jackson JARs for testcontainers
CAMEL-23000: camel-ssh - idleTimeout

New Feature (1)

CAMEL-23142: camel-google-pubsub: Add maxDeliveryAttempts enforcement to prevent infinite redelivery loops

Task (3)

CAMEL-23103: camel-json-patch - Deprecate
CAMEL-23099: Remove camel-test references
CAMEL-23055: Camel-Jbang: Upgrade to Camel-Kamelets 4.18.0

Keys

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