How can i kill java process on agent without killing jenkins agent java process?

Hi - I have jenkins agent running using below command

java -jar agent.jar -jnlpUrl http://:8080/computer//jenkins-agent.jnlp -workDir “C:\Jenkins”

Now i have a script to kill java process as part of job/pipeline which is also killing jenkins agent, how can i avoid this? I do not see option to start jenkins using javaws which does not spawn java.exe and works in the latest jenkins version, Is there a way to handle this?

Jenkins setup:
Jenkins: 2.426.2
OS: Windows Server 2012 R2 - 6.3
Java: 17.0.2 - Oracle Corporation (Java HotSpot™ 64-Bit Server VM)

JDK_Parameter_Plugin:1.2
Parameterized-Remote-Trigger:3.1.6.3
ace-editor:1.1
allure-jenkins-plugin:2.30.2
ant:487.vd79d090d4ea_e
antisamy-markup-formatter:159.v25b_c67cd35fb_
apache-httpcomponents-client-4-api:4.5.14-208.v438351942757
authentication-tokens:1.4
badge:1.9.1
blueocean-commons:1.26.0
blueocean-config:1.26.0
blueocean-core-js:1.26.0
blueocean-dashboard:1.26.0
blueocean-display-url:2.4.1
blueocean-events:1.26.0
blueocean-git-pipeline:1.26.0
blueocean-github-pipeline:1.26.0
blueocean-i18n:1.26.0
blueocean-jwt:1.26.0
blueocean-personalization:1.26.0
blueocean-pipeline-api-impl:1.26.0
blueocean-pipeline-scm-api:1.26.0
blueocean-rest:1.26.0
blueocean-rest-impl:1.26.0
blueocean-web:1.26.0
bootstrap4-api:4.6.0-5
bootstrap5-api:5.3.2-3
bouncycastle-api:2.30.1.77-225.v26ea_c9455fd9
branch-api:2.1105.v472604208c55
build-pipeline-plugin:1.5.8
build-timeout:1.28
built-on-column:1.1
caffeine-api:3.1.8-133.v17b_1ff2e0599
checks-api:2.0.2
cloudbees-bitbucket-branch-source:805.v7f97d29dc0f5
cloudbees-folder:6.815.v0dd5a_cb_40e0e
command-launcher:84.v4a_97f2027398
commons-lang3-api:3.13.0-62.v7d18e55f51e2
commons-text-api:1.11.0-95.v22a_d30ee5d36
conditional-buildstep:1.4.3
credentials:1311.vcf0a_900b_37c2
credentials-binding:642.v737c34dea_6c2
display-url-api:2.200.vb_9327d658781
docker-commons:1.19
docker-workflow:1.29
durable-task:507.v050055d0cb_dd
echarts-api:5.4.3-2
email-ext:2.99
emailext-template:1.4
envinject:2.908.v66a_774b_31d93
envinject-api:1.199.v3ce31253ed13
external-monitor-job:192.ve979ca_8b_3ccd
favorite:2.4.2
font-awesome-api:6.5.1-1
git:5.2.1
git-client:4.6.0
git-parameter:0.9.19
git-server:1.11
github:1.37.3.1
github-api:1.318-461.v7a_c09c9fa_d63
github-branch-source:1767.va_7d01ea_c7256
gradle:2.9
groovy:453.vcdb_a_c5c99890
groovy-postbuild:2.5
handlebars:3.0.8
handy-uri-templates-2-api:2.1.8-22.v77d5b_75e6953
htmlpublisher:1.31
instance-identity:173.va_37c494ec4e5
ionicons-api:56.v1b_1c8c49374e
jackson2-api:2.15.3-363.v82c51b_de9f60
jakarta-activation-api:2.0.1-3
jakarta-mail-api:2.0.1-3
javadoc:217.v905b_86277a_2a_
javax-activation-api:1.2.0-6
javax-mail-api:1.6.2-5
jaxb:2.3.8-1
jdk-tool:55.v1b_32b_6ca_f9ca
jenkins-design-language:1.26.0
jenkins-multijob-plugin:611.v9d3180d752e6
jjwt-api:0.11.5-77.v646c772fddb_0
jquery:1.12.4-1
jquery-detached:1.2.1
jquery3-api:3.7.1-1
jsch:0.1.55.61.va_e9ee26616e7
json-path-api:2.8.0-21.v8b_7dc8b_1037b_
junit:1252.vfc2e5efa_294f
ldap:711.vb_d1a_491714dc
mailer:463.vedf8358e006b_
mapdb-api:1.0.9-28.vf251ce40855d
matrix-auth:3.1.9
matrix-project:822.v01b_8c85d16d2
maven-plugin:3.19
metrics:4.2.13-420.vea_2f17932dd6
mina-sshd-api-common:2.11.0-86.v836f585d47fa_
mina-sshd-api-core:2.11.0-86.v836f585d47fa_
momentjs:1.1.1
nodelabelparameter:1.11.0
okhttp-api:4.11.0-157.v6852a_a_fa_ec11
openJDK-native-plugin:1.5
pam-auth:1.10
parameterized-trigger:787.v665fcf2a_830b_
pipeline-build-step:2.18
pipeline-github-lib:42.v0739460cda_c4
pipeline-graph-analysis:202.va_d268e64deb_3
pipeline-graph-view:144.vf3924feb_7e35
pipeline-groovy-lib:689.veec561a_dee13
pipeline-input-step:477.v339683a_8d55e
pipeline-milestone-step:101.vd572fef9d926
pipeline-model-api:2.2121.vd87fb_6536d1e
pipeline-model-declarative-agent:1.1.1
pipeline-model-definition:2.2121.vd87fb_6536d1e
pipeline-model-extensions:2.2121.vd87fb_6536d1e
pipeline-rest-api:2.34
pipeline-stage-step:305.ve96d0205c1c6
pipeline-stage-tags-metadata:2.2121.vd87fb_6536d1e
pipeline-stage-view:2.34
plain-credentials:143.v1b_df8b_d3b_e48
plugin-util-api:3.8.0
popper-api:1.16.1-3
popper2-api:2.11.6-2
postbuild-task:1.9
postbuildscript:3.1.0-375.v3db_cd92485e1
powershell:1.7
pubsub-light:1.16
resource-disposer:0.23
run-condition:1.5
scm-api:683.vb_16722fb_b_80b_
script-security:1313.v7a_6067dc7087
scriptler:3.5
seleniumhtmlreport:1.1
snakeyaml-api:2.2-111.vc6598e30cc65
soapui-pro-functional-testing:1.7
sse-gateway:1.25
ssh-agent:295.v9ca_a_1c7cc3a_a_
ssh-credentials:308.ve4497b_ccd8f4
ssh-slaves:2.877.v365f5eb_a_b_eec
ssh-steps:2.0.39.v831c5e6468b_c
ssh2easy:1.4
sshd:3.242.va_db_9da_b_26a_c3
structs:325.vcb_307d2a_2782
subversion:2.17.3
test-results-aggregator:1.2.11
testng-plugin:555.va0d5f66521e3
timestamper:1.25
token-macro:400.v35420b_922dcb_
trilead-api:2.84.v72119de229b_7
variant:59.vf075fe829ccb
view-cloner:1.1
windows-slaves:1.8.1
workflow-aggregator:590.v6a_d052e5a_a_b_5
workflow-api:1283.v99c10937efcb_
workflow-basic-steps:986.v6b_9c830a_6b_37
workflow-cps:3837.v305192405b_c0
workflow-cps-global-lib:588.v576c103a_ff86
workflow-durable-task-step:1217.v38306d8fa_b_5c
workflow-job:1326.ve643e00e9220
workflow-multibranch:746.v05814d19c001
workflow-scm-step:415.v434365564324
workflow-step-api:639.v6eca_cd8c04a_a_
workflow-support:865.v43e78cc44e0d
ws-cleanup:0.45