bitbucket pipeline spring boot maven cache not launch

# This is a sample build configuration for Java (Maven).
# Check our guides at https://confluence.atlassian.com/x/zd-5Mw for more examples.
# Only use spaces to indent your .yml configuration.
# -----
# You can specify a custom docker image from Docker Hub as your build environment.
image: maven:3.6.0

pipelines:
  default:
    - step:
        name: Clean Build
        caches:
          - maven
        script: # Modify the commands below to build your repository.
          - mvn -B clean # -B batch mode makes Maven less verbose
    - step:
        name: Compile build
        caches:
          - maven
        script: # Modify the commands below to build your repository.
          - mvn -B compile # -B batch mode makes Maven less verbose
    - step:
        name: Package build
        caches:
          - maven
        script: # Modify the commands below to build your repository.
          - mvn -B package # -B batch mode makes Maven less verbose
        artifacts:
          - target/**
    - step:
        name: Deployment
        deployment: test
        script:
          - pipe: atlassian/aws-elasticbeanstalk-deploy:0.2.3
            variables:
              AWS_ACCESS_KEY_ID: $AWS_ACCESS_KEY_ID
              AWS_SECRET_ACCESS_KEY: $AWS_SECRET_ACCESS_KEY
              AWS_DEFAULT_REGION: $AWS_DEFAULT_REGION
              APPLICATION_NAME: $APPLICATION_NAME
              ENVIRONMENT_NAME: $ENVIRONMENT_NAME
              S3_BUCKET: $S3_BUCKET
              ZIP_FILE: 'target/ezstore-1.0.jar'


above is my pipeline, when it run, i can see from build set up,cache is extracted
Cache "maven": DownloadingCache 
"maven": Downloaded 1.7 MiB in 2 secondsCache 
"maven": ExtractingCache 
"maven": Extracted in 0 seconds

However, I can still see cache is not use and it keep download from maven central

[INFO] Scanning for projects...[INFO] [INFO] --------------------------< edu.mum:ezstore >---------------------------
[INFO] Building EZStore API 1.0[INFO] --------------------------------[ jar ]---------------------------------
[INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-resources-plugin/3.1.0/maven-resources-plugin-3.1.0.pom
[INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-resources-plugin/3.1.0/maven-resources-plugin-3.1.0.pom (7.2 kB at 34 kB/s)
[INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-resources-plugin/3.1.0/maven-resources-plugin-3.1.0.jar

Please let me know what is wrong with it