DockerSSHLauncher is missing its descriptor

[rikumabokss]

HI,
I am trying to use benhall/dind-jenkins-agent:v2 from within a kubernetes using Docker Plugin and docker cloud setting.

I am getting following output , kindle help to resolve this.

---

SSHLauncher{host='192.168.99.20', port=32883, credentialsId='InstanceIdentity', jvmOptions='', javaPath='', prefixStartSlaveCmd='', suffixStartSlaveCmd='', launchTimeoutSeconds=60, maxNumRetries=10, retryWaitTime=15, sshHostKeyVerificationStrategy=hudson.plugins.sshslaves.verifiers.NonVerifyingKeyVerificationStrategy, tcpNoDelay=true, trackCredentials=true}
[06/29/21 11:27:56] [SSH] Opening SSH connection to 192.168.99.20:32883.
[06/29/21 11:27:56] [SSH] WARNING: SSH Host Keys are not being verified. Man-in-the-middle attacks may be possible against this connection.
[06/29/21 11:27:56] [SSH] Authentication successful.
[06/29/21 11:27:56] [SSH] The remote user's environment is:
BASH=/bin/bash
BASHOPTS=cmdhist:complete_fullquote:extquote:force_fignore:hostcomplete:interactive_comments:progcomp:promptvars:sourcepath
BASH_ALIASES=()
BASH_ARGC=()
BASH_ARGV=()
BASH_CMDS=()
BASH_EXECUTION_STRING=set
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="4" [1]="3" [2]="30" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu")
BASH_VERSION='4.3.30(1)-release'
DIRSTACK=()
EUID=0
GROUPS=()
HOME=/root
HOSTNAME=ac07bcc17a5f
HOSTTYPE=x86_64
IFS=$' \t\n'
LOGNAME=root
MACHTYPE=x86_64-pc-linux-gnu
MAIL=/var/mail/root
OPTERR=1
OPTIND=1
OSTYPE=linux-gnu
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PIPESTATUS=([0]="0")
PPID=10
PS4='+ '
PWD=/root
SHELL=/bin/bash
SHELLOPTS=braceexpand:hashall:interactive-comments
SHLVL=1
SSH_CLIENT='192.168.99.112 58316 22'
SSH_CONNECTION='192.168.99.112 58316 172.17.0.2 22'
TERM=dumb
UID=0
USER=root
_=']'
ERROR: class io.jenkins.docker.connector.DockerComputerSSHConnector$DockerSSHLauncher is missing its descriptor
java.lang.AssertionError: class io.jenkins.docker.connector.DockerComputerSSHConnector$DockerSSHLauncher is missing its descriptor
at jenkins.model.Jenkins.getDescriptorOrDie(Jenkins.java:1598)
at hudson.model.AbstractDescribableImpl.getDescriptor(AbstractDescribableImpl.java:42)
at hudson.plugins.sshslaves.SSHLauncher.checkJavaIsInPath(SSHLauncher.java:529)
at hudson.plugins.sshslaves.SSHLauncher.access$300(SSHLauncher.java:111)
at hudson.plugins.sshslaves.SSHLauncher$1.call(SSHLauncher.java:449)
at hudson.plugins.sshslaves.SSHLauncher$1.call(SSHLauncher.java:421)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
[06/29/21 11:27:56] Launch failed - cleaning up connection
[06/29/21 11:27:56] [SSH] Connection closed.