files of a commit are not available

[shadamik]

Version report

Jenkins and plugins versions report:

Jenkins: 2.303.1
OS: Linux - 5.4.129-63.229.amzn2.x86_64
---
Parameterized-Remote-Trigger:3.1.5.1
ace-editor:1.1
active-directory:2.24
ansicolor:1.0.0
ant:1.11
antisamy-markup-formatter:2.1
apache-httpcomponents-client-4-api:4.5.13-1.0
artifactory:3.13.1
authentication-tokens:1.4
badge:1.8
basic-branch-build-strategies:1.3.2
blueocean:1.24.8
blueocean-autofavorite:1.2.4
blueocean-bitbucket-pipeline:1.24.8
blueocean-commons:1.24.8
blueocean-config:1.24.8
blueocean-core-js:1.24.8
blueocean-dashboard:1.24.8
blueocean-display-url:2.4.1
blueocean-events:1.24.8
blueocean-git-pipeline:1.24.8
blueocean-github-pipeline:1.24.8
blueocean-i18n:1.24.8
blueocean-jwt:1.24.8
blueocean-personalization:1.24.8
blueocean-pipeline-api-impl:1.24.8
blueocean-pipeline-editor:1.24.8
blueocean-pipeline-scm-api:1.24.8
blueocean-rest:1.24.8
blueocean-rest-impl:1.24.8
blueocean-web:1.24.8
bootstrap4-api:4.6.0-3
bootstrap5-api:5.1.0-3
bouncycastle-api:2.24
branch-api:2.6.5
build-discarder:41.v1e18f33d64a6
build-monitor-plugin:1.12+build.201809061734
caffeine-api:2.9.2-29.v717aac953ff3
checks-api:1.7.2
cloudbees-bitbucket-branch-source:2.9.11
cloudbees-disk-usage-simple:0.10
cloudbees-folder:6.16
command-launcher:1.6
config-file-provider:3.8.1
configuration-as-code:1.52
copyartifact:1.46.2
credentials:2.6.1
credentials-binding:1.27
display-url-api:2.3.5
docker-commons:1.17
docker-java-api:3.1.5.2
docker-plugin:1.2.3
docker-workflow:1.26
durable-task:1.39
echarts-api:5.1.2-11
embeddable-build-status:2.0.3
extended-read-permission:3.2
favorite:2.3.3
font-awesome-api:5.15.4-1
git:4.8.2
git-client:3.9.0
git-server:1.10
github:1.34.1
github-api:1.123
github-branch-source:2.11.2
gradle:1.37.1
groovy-postbuild:2.5
handlebars:3.0.8
handy-uri-templates-2-api:2.1.8-1.0
hashicorp-vault-pipeline:1.3
hashicorp-vault-plugin:3.8.0
htmlpublisher:1.25
ivy:2.1
jackson2-api:2.12.4
javadoc:1.6
jaxb:2.3.0.1
jdk-tool:1.5
jenkins-design-language:1.24.8
jira:3.5
jira-trigger:1.0.1
jjwt-api:0.11.2-9.c8b45b8bb173
job-dsl:1.77
jobConfigHistory:2.28.1
jquery-detached:1.2.1
jquery3-api:3.6.0-2
jsch:0.1.55.2
junit:1.52
klocwork:2020.3.1
kubernetes:1.30.1
kubernetes-client-api:5.4.1
kubernetes-credentials:0.9.0
ldap:2.7
locale:1.4
mailer:1.34
matrix-project:1.19
maven-plugin:3.12
metrics:4.0.2.8
momentjs:1.1.1
monitoring:1.88.0
okhttp-api:3.14.9
permissive-script-security:0.6
pipeline-build-step:2.15
pipeline-github:2.8-138.d766e30bb08b
pipeline-graph-analysis:1.11
pipeline-input-step:2.12
pipeline-milestone-step:1.3.2
pipeline-model-api:1.9.1
pipeline-model-definition:1.9.1
pipeline-model-extensions:1.9.1
pipeline-rest-api:2.19
pipeline-stage-step:2.5
pipeline-stage-tags-metadata:1.9.1
pipeline-stage-view:2.19
pipeline-utility-steps:2.10.0
plain-credentials:1.7
plugin-util-api:2.4.0
popper-api:1.16.1-2
popper2-api:2.9.3-1
prometheus:2.0.10
pubsub-light:1.16
rebuild:1.32
repo:1.14.0
scm-api:2.6.5
script-security:1.78
secure-requester-whitelist:1.6
simple-theme-plugin:0.7
snakeyaml-api:1.29.1
sse-gateway:1.24
ssh-agent:1.23
ssh-credentials:1.19
ssh-slaves:1.33.0
sshd:3.1.0
structs:1.23
timestamper:1.13
token-macro:266.v44a80cf277fd
trilead-api:1.0.13
variant:1.4
workflow-api:2.46
workflow-basic-steps:2.24
workflow-cps:2.93
workflow-cps-global-lib:2.21
workflow-durable-task-step:2.39
workflow-job:2.41
workflow-multibranch:2.26
workflow-scm-step:2.13
workflow-step-api:2.24
workflow-support:3.8

• What Operating System are you using (both controller, and any agents involved in the problem)?

jenkins controller and agent running EKS

Reproduction steps

• use github UI to put the following content to Jenkinsfile

pullRequest.commits.each {
    echo "${it.files.size()}"
    it.files.each {
      echo it.filename    
    }
}

• Create pull request and find the following console output

Results

Expected result:

• files.size() should be 1
• Jenkinsfile should be reported

Actual result:

[Pipeline] Start of Pipeline
[Pipeline] echo
0
[Pipeline] End of Pipeline