Can't set markupFormatter to rawHtml using jcasc #2707
Description
Jenkins and plugins versions report
Environment
Jenkins: 2.516.1
OS: Linux - 6.1.0-37-amd64
---
Office-365-Connector:5.1.0
active-directory:2.40
analysis-model-api:13.7.0
ant:513.vde9e7b_a_0da_0f
antisamy-markup-formatter:173.v680e3a_b_69ff3
apache-httpcomponents-client-4-api:4.5.14-269.vfa_2321039a_83
apache-httpcomponents-client-5-api:5.5-150.veb_76e719855b_
asm-api:9.8-163.vb_2a_96d3f9c3c
authentication-tokens:1.131.v7199556c3004
authorize-project:2.0.0
basic-branch-build-strategies:228.v68c089762a_db_
blueocean:1.27.21
blueocean-autofavorite:1.2.5
blueocean-bitbucket-pipeline:1.27.21
blueocean-commons:1.27.21
blueocean-config:1.27.21
blueocean-core-js:1.27.21
blueocean-dashboard:1.27.21
blueocean-display-url:2.4.4
blueocean-events:1.27.21
blueocean-git-pipeline:1.27.21
blueocean-github-pipeline:1.27.21
blueocean-i18n:1.27.21
blueocean-jira:1.27.21
blueocean-jwt:1.27.21
blueocean-personalization:1.27.21
blueocean-pipeline-api-impl:1.27.21
blueocean-pipeline-editor:1.27.21
blueocean-pipeline-scm-api:1.27.21
blueocean-rest:1.27.21
blueocean-rest-impl:1.27.21
blueocean-web:1.27.21
bootstrap5-api:5.3.7-2
bouncycastle-api:2.30.1.80-261.v00c0e2618ec3
branch-api:2.1235.v04e86c7ce54c
build-monitor-plugin:1.14-985.v7b_f37b_3d0b_f5
build-name-setter:2.5.0
build-timeout:1.38
build-with-parameters:76.v9382db_f78962
caffeine-api:3.2.2-178.v353b_8428ed56
checks-api:373.vfe7645102093
cloudbees-bitbucket-branch-source:936.4.4
cloudbees-folder:6.1037.v4cb_8573b_72a_a_
command-launcher:123.v37cfdc92ef67
commons-collections4-api:4.5.0-8.va_d5448ef9011
commons-compress-api:1.27.1-3
commons-httpclient3-api:3.1-3
commons-lang3-api:3.18.0-98.v3a_674c06072d
commons-text-api:1.14.0-194.v804a_dc3a_1b_d8
conditional-buildstep:1.5.0
configuration-as-code:1985.vdda_32d0c4ea_b_
copyartifact:770.va_6c69e063442
coverage:2.7.1
credentials:1419.v2337d1ceceef
credentials-binding:702.vfe613e537e88
custom-folder-icon:2.21
dashboard-view:2.537.v5132851f6ca_f
data-tables-api:2.3.2-3
delivery-pipeline-plugin:1.4.2
display-url-api:2.209.v582ed814ff2f
docker-commons:457.v0f62a_94f11a_3
docker-workflow:621.va_73f881d9232
downstream-build-cache:1.7
durable-task:595.ve87b_f1318d67
echarts-api:6.0.0-1
eddsa-api:0.3.0.1-19.vc432d923e5ee
email-ext:1922.v5c93c9e80a_f9
embeddable-build-status:548.v5653c6e28c41
emoji-symbols-api:16.0-26.v9818ff7423f0
external-monitor-job:223.vb_fddcf42c9b_3
extra-columns:1.27
favorite:2.237.v79163ca_8b_892
flatpickr-api:4.6.13-18.vcf5f6a_5b_8468
font-awesome-api:7.0.0-1
forensics-api:3.1.0
generic-webhook-trigger:2.3.1
git:5.7.0
git-changelog:3.45
git-client:6.2.0
git-server:137.ve0060b_432302
git-tag-message:1.7.1
github:1.44.0
github-api:1.321-488.v9b_c0da_9533f8
github-app-kubernetes-credentials:0.0.1
github-branch-source:1834.v857721ea_74c6
gitlab-plugin:1.9.8
global-build-stats:322.v22f4db_18e2dd
gradle:2.15
gson-api:2.13.1-153.vb_3d0c48a_a_b_4a_
handy-uri-templates-2-api:2.1.8-36.v85e4cb_234a_13
htmlpublisher:427
http_request:1.20
image-gallery:2.0.2
instance-identity:203.v15e81a_1b_7a_38
ionicons-api:94.vcc3065403257
jackson2-api:2.19.2-408.v18248a_324cfe
jakarta-activation-api:2.1.3-2
jakarta-mail-api:2.1.3-2
javadoc:327.vdfe586651ee0
javax-activation-api:1.2.0-8
javax-mail-api:1.6.2-11
jaxb:2.3.9-133.vb_ec76a_73f706
jdk-tool:83.v417146707a_3d
jenkins-design-language:1.27.21
jersey2-api:2.47-165.ve7809a_3e87e0
jira:3.18
jjwt-api:0.11.5-120.v0268cf544b_89
job-dsl:1.93
jobConfigHistory:1343.v4b_e819a_ecdc2
joda-time-api:2.14.0-149.v1c3ce991d1b_9
jquery:1.12.4-3
jquery3-api:3.7.1-3
jsch:0.2.16-95.v3eecb_55fa_b_78
json-api:20250517-163.v1c5da_e99c775
json-path-api:2.9.0-178.vca_b_c71881321
jsoup:1.21.1-58.vfc578e6e2610
junit:1335.v6b_a_a_e18534e1
kubernetes:4358.vcfd9c5a_0a_f51
kubernetes-cli:1.364.vadef8cb8b823
kubernetes-client-api:7.3.1-256.v788a_0b_787114
kubernetes-credentials:203.v85b_9836a_f44b_
kubernetes-credentials-provider:1.290.ve56494531260
kubernetes-ephemeral-container:22.v50de9446065d
ldap:780.vcb_33c9a_e4332
leastload:62.vfa_8830902733
lockable-resources:1408.vb_7d1f371781d
mailer:515.vd788654779b_1
mapdb-api:1.0.9-44.va_1e1310c9118
material-theme:0.5.2-rc100.6121925fe229
matrix-auth:3.2.6
matrix-project:849.v0cd64ed7e531
maven-plugin:3.26
mercurial:1309.v6802b_f0efb_b_9
metrics:4.2.32-481.v75f035fdc894
mina-sshd-api-common:2.15.0-161.vb_200831a_c15b_
mina-sshd-api-core:2.15.0-161.vb_200831a_c15b_
monitoring:2.5.0
naginator:1.504.vfc3736332f16
nodelabelparameter:759.vb_b_e95db_f3251
oauth-credentials:0.657.v7d8dd90b_0382
okhttp-api:4.11.0-189.v976fa_d3379d6
oss-symbols-api:392.v27a_482d90083
outbound-webhook:0.3.0
pam-auth:1.12
parameterized-trigger:859.vb_e3907a_07a_16
pipeline-aggregator-view:119.v4b_ec11953552
pipeline-build-step:571.v08a_fffd4b_0ce
pipeline-github-lib:65.v203688e7727e
pipeline-graph-analysis:241.vc3d48fb_b_2582
pipeline-graph-view:617.v1cb_13e8d4825
pipeline-groovy-lib:752.vdddedf804e72
pipeline-input-step:532.v9e7466cb_4406
pipeline-milestone-step:138.v78ca_76831a_43
pipeline-model-api:2.2258.v4e96d2b_da_f9b_
pipeline-model-definition:2.2258.v4e96d2b_da_f9b_
pipeline-model-extensions:2.2258.v4e96d2b_da_f9b_
pipeline-rest-api:2.38
pipeline-stage-step:322.vecffa_99f371c
pipeline-stage-tags-metadata:2.2258.v4e96d2b_da_f9b_
pipeline-stage-view:2.38
pipeline-utility-steps:2.19.0
plain-credentials:199.v9f8e1f741799
plot:2.4.0
plugin-util-api:6.1.0
prism-api:1.30.0-1
pubsub-light:1.19
resource-disposer:0.25
run-condition:243.v3c3f94e46a_8b_
scm-api:707.v749f968369d4
script-security:1378.vf25626395f49
simple-theme-plugin:211.v5424a_5510e47
slack:794.va_5081e5ea_423
snakeyaml-api:2.3-125.v4d77857a_b_402
sse-gateway:1.28
ssh-agent:386.v36cc0c7582f0
ssh-credentials:361.vb_f6760818e8c
ssh-slaves:3.1071.v0d059c7b_c555
ssh-steps:2.0.79.v1d1b_5f76dda_8
sshd:3.372.v5d04a_e92d8cf
structs:350.v3b_30f09f2363
subversion:1287.vd2d507146906
swarm:3.50
test-results-analyzer:309.vda_3a_a_f100542
theme-manager:319.v9193461f9671
timestamper:1.30
token-macro:477.vd4f0dc3cb_cf1
trilead-api:2.209.v0e69b_c43c245
vagrant:1.0.2
variant:70.va_d9f17f859e0
view-job-filters:401.va_809f6a_b_0c26
violation-comments-to-gitlab:2.62.0
warnings-ng:12.9.0
workflow-aggregator:608.v67378e9d3db_1
workflow-api:1382.veca_a_efe062fa_
workflow-basic-steps:1079.vce64b_a_929c5a_
workflow-cps:4173.v4a_1fd14533f1
workflow-durable-task-step:1444.v10879b_0a_6b_7b_
workflow-job:1540.v295eccc9778f
workflow-multibranch:810.v6b_6e77da_7058
workflow-scm-step:437.v05a_f66b_e5ef8
workflow-step-api:706.v518c5dcb_24c0
workflow-support:976.vb_d9493c2eb_09
ws-cleanup:0.48
yet-another-build-visualizer:1.17
What Operating System are you using (both controller, and any agents involved in the problem)?
Controller is running a Docker container in K8S.
Reproduction steps
In the UI, go to Manage Jenkins > Security > Markup Formatter > Safe HTML > Save
In the UI, go to Manage Jenkins > Configuration as Code > View Configuration
add:
markup-formatter: |
jenkins:
markupFormatter:
rawHtml:
disableSyntaxHighlighting: falseto your jcasc and apply.
Expected Results
No errors returned.
Actual Results
2025-08-20 10:22:13.302+0000 [id=1207] WARNING h.i.i.InstallUncaughtExceptionHandler#handleException: Caught unhandled exception with ID cf6e4b06-4481-435d-a866-9e3ff10d6bd7
io.jenkins.plugins.casc.ConfiguratorException: Found incompatible configuration elements YamlSource: /var/jenkins_home/casc_configs/markup-formatter.yaml in /var/jenkins_home/casc_configs/markup-formatter.yaml, line 3, column 5:
rawHtml:
^
Anything else?
No response