I'm using Spring Boot 3.1.5
, Java 21
and maven 3.9.5
. I've got the following error when running mvn spring-boot:build-image
[INFO] > Pulling builder image 'docker.io/paketobuildpacks/builder:base' 100%
[INFO] > Pulled builder image 'paketobuildpacks/builder@sha256:17ea21162ba8c7717d3ead3ee3836a368aced7f02f2e59658e52029bd6d149e7'
[INFO] > Pulling run image 'docker.io/paketobuildpacks/run:base-cnb' 100%
[INFO] > Pulled run image 'paketobuildpacks/run@sha256:1af9935d8987fd52b2266d288200c9482d1dd5529860bbf5bc2d248de1cb1a38'
[INFO] > Executing lifecycle version v0.16.5
[INFO] > Using build cache volume 'pack-cache-8847f704ad41.build'
[INFO]
[INFO] > Running creator
[INFO] [creator] ===> ANALYZING
[INFO] [creator] Image with name "docker.io/library/elevate-insights:0.0.1-SNAPSHOT" not found
[INFO] [creator] ===> DETECTING
[INFO] [creator] 6 of 26 buildpacks participating
[INFO] [creator] paketo-buildpacks/ca-certificates 3.6.3
[INFO] [creator] paketo-buildpacks/bellsoft-liberica 10.2.6
[INFO] [creator] paketo-buildpacks/syft 1.32.1
[INFO] [creator] paketo-buildpacks/executable-jar 6.7.4
[INFO] [creator] paketo-buildpacks/dist-zip 5.6.4
[INFO] [creator] paketo-buildpacks/spring-boot 5.26.1
[INFO] [creator] ===> RESTORING
[INFO] [creator] ===> BUILDING
[INFO] [creator]
[INFO] [creator] Paketo Buildpack for CA Certificates 3.6.3
[INFO] [creator] https://github.com/paketo-buildpacks/ca-certificates
[INFO] [creator] Launch Helper: Contributing to layer
[INFO] [creator] Creating /layers/paketo-buildpacks_ca-certificates/helper/exec.d/ca-certificates-helper
[INFO] [creator]
[INFO] [creator] Paketo Buildpack for BellSoft Liberica 10.2.6
[INFO] [creator] https://github.com/paketo-buildpacks/bellsoft-liberica
[INFO] [creator] Build Configuration:
[INFO] [creator] $BP_JVM_JLINK_ARGS --no-man-pages --no-header-files --strip-debug --compress=1 configure custom link arguments (--output must be omitted)
[INFO] [creator] $BP_JVM_JLINK_ENABLED false enables running jlink tool to generate custom JRE
[INFO] [creator] $BP_JVM_TYPE JRE the JVM type - JDK or JRE
[INFO] [creator] $BP_JVM_VERSION 21 the Java version
[INFO] [creator] Launch Configuration:
[INFO] [creator] $BPL_DEBUG_ENABLED false enables Java remote debugging support
[INFO] [creator] $BPL_DEBUG_PORT 8000 configure the remote debugging port
[INFO] [creator] $BPL_DEBUG_SUSPEND false configure whether to suspend execution until a debugger has attached
[INFO] [creator] $BPL_HEAP_DUMP_PATH write heap dumps on error to this path
[INFO] [creator] $BPL_JAVA_NMT_ENABLED true enables Java Native Memory Tracking (NMT)
[INFO] [creator] $BPL_JAVA_NMT_LEVEL summary configure level of NMT, summary or detail
[INFO] [creator] $BPL_JFR_ARGS configure custom Java Flight Recording (JFR) arguments
[INFO] [creator] $BPL_JFR_ENABLED false enables Java Flight Recording (JFR)
[INFO] [creator] $BPL_JMX_ENABLED false enables Java Management Extensions (JMX)
[INFO] [creator] $BPL_JMX_PORT 5000 configure the JMX port
[INFO] [creator] $BPL_JVM_HEAD_ROOM 0 the headroom in memory calculation
[INFO] [creator] $BPL_JVM_LOADED_CLASS_COUNT 35% of classes the number of loaded classes in memory calculation
[INFO] [creator] $BPL_JVM_THREAD_COUNT 250 the number of threads in memory calculation
[INFO] [creator] $JAVA_TOOL_OPTIONS the JVM launch flags
[INFO] [creator] Using Java version 21 from BP_JVM_VERSION
[INFO] [creator] No valid JRE available, providing matching JDK instead. Using a JDK at runtime has security implications.
[INFO] [creator] unable to invoke layer creator
[INFO] [creator] unable to get dependency
[INFO] [creator] unable to download
[INFO] [creator] unable to request
[INFO] [creator] Get "": unsupported protocol scheme ""
[INFO] [creator] : Contributing to layer
[INFO] [creator] Warning: Dependency has no SHA256. Skipping cache.
[INFO] [creator] Downloading from
[INFO] [creator] ERROR: failed to build: exit status 1
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 8.278 s
[INFO] Finished at: 2023-10-27T18:49:36+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:3.1.5:build-image (default-cli) on project elevate-insights: Execution default-cli of goal org.springframework.boot:spring-boot-maven-plugin:3.1.5:build-image failed: Builder lifecycle 'creator' failed with status code 51 -> [Help 1]
Here's a snippet of my pom file:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.1.5</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
// omitted
<properties>
<java.version>21</java.version>
</properties>
// omitted
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
<image>
<env>
<BP_JVM_VERSION>21</BP_JVM_VERSION>
</env>
</image>
</configuration>
</plugin>
N.B.: tried with Java 17 with no joy either