Getting error FATAL: Malformed input or input contains unmappable characters in Mainframe jenkins agent

[ratnamGT]

I am trying to execute jenkins pipeline through Mainframe jenkins agent .It is throwing below error

The recommended git tool is: NONE
No credentials specified

/usr/lpp/IBM/dbb/bin/git-jenkins.sh rev-parse --resolve-git-dir /usr/lpp/IBM/idz/usr/lpp/jenkins/workspace/test/.git # timeout=10
Fetching changes from the remote Git repository
FATAL: Malformed input or input contains unmappable characters: a���a���a���a���a���a���aٖ����a�����a������a���a����������
Also: hudson.remoting.Channel$CallSiteStackTrace: Remote call to ikannode
at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1784)
at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:356)
at hudson.remoting.Channel.call(Channel.java:1000)
at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:285)
at com.sun.proxy.$Proxy186.withRepository(Unknown Source)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl.withRepository(RemoteGitImpl.java:234)
at jenkins.plugins.git.GitHooksConfiguration.configure(GitHooksConfiguration.java:112)
at jenkins.plugins.git.GitHooksConfiguration.configure(GitHooksConfiguration.java:102)
at jenkins.plugins.git.GitHooksConfiguration.configure(GitHooksConfiguration.java:91)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1236)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1308)
at hudson.scm.SCM.checkout(SCM.java:540)

I am using below JVM options-

-Dfile.encoding=utf-8 -Xnoargsconversion -Dorg.jenkinsci.plugins.gitclient.CliGitAPIImpl.user.name.file.encoding=IBM-1047 -Dorg.jenkinsci.plugins.gitclient.CliGitAPIImpl.user.password.file.encoding=IBM-1047 -Dorg.jenkinsci.plugins.gitclient.CliGitAPIImpl.user.passphrase.file.encoding=IBM-1047

Could you please help me on this