Jenkins Server OS：
Linux version 2.6.32-696.23.1.el6.x86_64 (mockbuild@x86-01.bsys.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC) ) #1 SMP Tue Mar 13 22:44:18 UTC 2018

Jenkins Agent OS :
IBM i V7R4

Jenkins Server JDK version :
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)

Jenkins Agent Java version: 
 java version "1.8.0_331"                                                                    
 Java(TM) SE Runtime Environment (build 8.0.7.10 - pap3280sr7fp10-20220505_01(SR7 FP10))     
 IBM J9 VM (build 2.9, JRE 1.8.0 OS/400 ppc-32-Bit 20220401_26248 (JIT enabled, AOT enabled) 
 OpenJ9   - 255b7d9                                                                          
 OMR      - 3671a9f                                                                          
 IBM      - 1b0232b)                                                                         
 JCL - 20220504_01 based on Oracle jdk8u331-b09      
      
Jenkins and plugin versions:
Jenkins: 2.346.1
OS: Linux - 2.6.32-696.23.1.el6.x86_64
—
ace-editor:1.1
active-directory:2.25.1
almjenscm:2.0.0
analysis-core:1.96
analysis-model-api:10.12.0
ant:475.vf34069fef73c
antisamy-markup-formatter:2.7
apache-httpcomponents-client-4-api:4.5.13-1.0
artifactory:3.16.2
atlassian-bitbucket-server-integration:3.3.2
authentication-tokens:1.4
bitbucket:223.vd12f2bca5430
blackduck-detect:7.0.0
blueocean:1.25.5
blueocean-autofavorite:1.2.5
blueocean-bitbucket-pipeline:1.25.5
blueocean-commons:1.25.5
blueocean-config:1.25.5
blueocean-core-js:1.25.5
blueocean-dashboard:1.25.5
blueocean-display-url:2.4.1
blueocean-events:1.25.5
blueocean-git-pipeline:1.25.5
blueocean-github-pipeline:1.25.5
blueocean-i18n:1.25.5
blueocean-jira:1.25.5
blueocean-jwt:1.25.5
blueocean-personalization:1.25.5
blueocean-pipeline-api-impl:1.25.5
blueocean-pipeline-editor:1.25.5
blueocean-pipeline-scm-api:1.25.5
blueocean-rest:1.25.5
blueocean-rest-impl:1.25.5
blueocean-web:1.25.5
bootstrap4-api:4.6.0-5
bootstrap5-api:5.1.3-7
bouncycastle-api:2.26
branch-api:2.1046.v0ca_37783ecc5
build-name-setter:2.2.0
build-pipeline-plugin:1.5.8
build-timeout:1.21
built-on-column:1.1
caffeine-api:2.9.3-65.v6a_47d0f4d1fe
checks-api:1.7.4
checkstyle:4.0.0
clearcase:1.6.8
cloudbees-bitbucket-branch-source:773.v4b_9b_005b_562b_
cloudbees-folder:6.729.v2b_9d1a_74d673
cobertura:1.17
code-coverage-api:2.0.4
command-launcher:84.v4a_97f2027398
conditional-buildstep:1.4.2
config-file-provider:3.10.0
copyartifact:1.46.4
credentials:1129.vef26f5df883c
credentials-binding:523.vd859a_4b_122e6
cvs:2.19.1
dashboard-view:2.432.va_712ce35862d
data-tables-api:1.12.1-1
deploy:1.16
display-url-api:2.3.6
docker-commons:1.19
docker-java-api:3.2.13-37.vf3411c9828b9
docker-plugin:1.2.9
docker-workflow:1.28
dtkit-api:3.0.1
durable-task:496.va67c6f9eefa7
echarts-api:5.3.3-1
email-ext:2.89
emailext-template:1.4
embeddable-build-status:2.0.4
envinject:2.866.v5c0403e3d4df
envinject-api:1.199.v3ce31253ed13
external-monitor-job:191.v363d0d1efdf8
favorite:2.4.1
font-awesome-api:6.1.1-1
forensics-api:1.15.1
generic-webhook-trigger:1.84
git:4.11.3
git-client:3.11.0
git-parameter:0.9.17
git-server:1.11
github:1.34.3
github-api:1.303-400.v35c2d8258028
github-branch-source:1637.vd833b_7ca_7654
gitlab-plugin:1.5.34
google-oauth-plugin:1.0.6
gradle:1.39.1
handlebars:3.0.8
handy-uri-templates-2-api:2.1.8-22.v77d5b_75e6953
hp-application-automation-tools-plugin:7.3
htmlpublisher:1.30
ibmibuild:1.1.0
ivy:2.2
jackson2-api:2.13.3-285.vc03c0256d517
javadoc:217.v905b_86277a_2a_
javax-activation-api:1.2.0-3
javax-mail-api:1.6.2-6
jaxb:2.3.6-1
jdk-tool:1.5
jenkins-design-language:1.25.5
jenkins-multijob-plugin:611.v9d3180d752e6
jersey2-api:2.36-2
jira:3.7.1
jjwt-api:0.11.5-77.v646c772fddb_0
jquery:1.12.4-1
jquery-detached:1.2.1
jquery-ui:1.0.2
jquery3-api:3.6.0-4
jsch:0.1.55.2
junit:1119.1121.vc43d0fc45561
kubernetes:3651.v908e7db_10d06
kubernetes-client-api:5.12.2-193.v26a_6078f65a_9
kubernetes-credentials:0.9.0
ldap:2.10
lockable-resources:2.15
login-theme:1.1
mailer:414.vcc4c33714601
mapdb-api:1.0.9.0
matrix-auth:3.1.3
matrix-project:771.v574584b_39e60
maven-plugin:3.19
mercurial:2.16.2
metrics:4.1.6.2
mina-sshd-api-common:2.8.0-21.v493b_6b_db_22c6
mina-sshd-api-core:2.8.0-21.v493b_6b_db_22c6
modernstatus:1.3
momentjs:1.1.1
msbuild:1.30
mstest:1.0.0
node-iterator-api:1.5.1
nodejs:1.5.1
oauth-credentials:0.5
okhttp-api:4.9.3-105.vb96869f8ac3a
p4:1.12.4
pam-auth:1.8
parameterized-scheduler:1.0
parameterized-trigger:2.44
pipeline-build-step:2.18
pipeline-github-lib:38.v445716ea_edda_
pipeline-graph-analysis:195.v5812d95a_a_2f9
pipeline-groovy-lib:593.va_a_fc25d520e9
pipeline-input-step:449.v77f0e8b_845c4
pipeline-milestone-step:101.vd572fef9d926
pipeline-model-api:2.2097.v33db_b_de764b_e
pipeline-model-declarative-agent:1.1.1
pipeline-model-definition:2.2097.v33db_b_de764b_e
pipeline-model-extensions:2.2097.v33db_b_de764b_e
pipeline-rest-api:2.24
pipeline-stage-step:293.v200037eefcd5
pipeline-stage-tags-metadata:2.2097.v33db_b_de764b_e
pipeline-stage-view:2.24
plain-credentials:1.8
plugin-util-api:2.17.0
pollscm:1.3.1
popper-api:1.16.1-3
popper2-api:2.11.5-2
prism-api:1.28.0-2
publish-over:0.22
publish-over-ssh:1.24
pubsub-light:1.16
rebuild:1.34
repo:1.15.0
resource-disposer:0.19
role-strategy:488.v0634ce149b_8c
run-condition:1.5
scm-api:608.vfa_f971c5a_a_e9
script-security:1175.v4b_d517d6db_f0
simple-theme-plugin:103.va_161d09c38c7
slack:608.v19e3b_44b_b_9ff
snakeyaml-api:1.30.1
sse-gateway:1.25
ssh:2.6.1
ssh-agent:295.v9ca_a_1c7cc3a_a_
ssh-credentials:277.v95c2fec1c047
ssh-slaves:1.821.vd834f8a_c390e
sshd:3.242.va_db_9da_b_26a_c3
structs:318.va_f3ccb_729b_71
subversion:2.15.5
teamconcert:2.4.1
tfs:5.157.1
throttle-concurrents:2.8
timestamper:1.18
token-macro:293.v283932a_0a_b_49
trilead-api:1.57.v6e90e07157e1
variant:1.4
vsphere-cloud:2.27
warnings:5.0.1
warnings-ng:9.13.0
weblogic-deployer-plugin:4.1
windows-slaves:1.8.1
workflow-aggregator:581.v0c46fa_697ffd
workflow-api:1164.v760c223ddb_32
workflow-basic-steps:948.v2c72a_091b_b_68
workflow-cps:2725.v7b_c717eb_12ce
workflow-cps-global-lib:588.v576c103a_ff86
workflow-durable-task-step:1146.v1a_d2e603f929
workflow-job:1186.v8def1a_5f3944
workflow-multibranch:716.vc692a_e52371b_
workflow-scm-step:400.v6b_89a_1317c9a_
workflow-step-api:625.vd896b_f445a_f8
workflow-support:820.vd1a_6cc65ef33
ws-cleanup:0.42
xunit:3.1.0

Jenkins is not running under any containers
Jenkins installed via rpm
Browsers: Chrome Version 108.0.5359.125 (Official Build) (64-bit)

 

the Problems 

the same node config as ibm i V7r3 for V7r4, and V7r3 agent connected while V7r4 cannot. the error log under remoting directory:

remoting.log.0

remoting.log.0.1

remoting.log.1

remoting.log.2

remoting.log.3

remoting.log.4

they are all empty.

the log in the Jenkins console is:

as you can see, the three dot will never end even though that it says channel started for ibm i V7r4.

 

for ibm i V7r3, after 'channel started' , it has other log :

 

Node config :