I restarted multiple times. I tried all options available "Known Hosts Key
Validation", "Manually Provided key Validation", etc..still get the
same/similar errors. I have the below messages in my WebLogic logs for
both..The first five are for nodes configured with "Known Hosts Key
Validation" while the last one is for "Manually Provided Key validation"...
I am able to login at server level using same ssh keys, but when invoking
the same using same credentials via Jenkins, it fails.
<[04/23/18 10:07:53] SSH Launch of ZZZ on Z.ZZZ.com failed in 26 ms>
<[04/23/18 10:07:56] SSH Launch of ZZZ on Z.ZZZ.com failed in 2 ms>
<[04/23/18 10:08:43] SSH Launch of ZZZ on Z.ZZZ.com failed in 3 ms>
<[04/23/18 10:10:43] SSH Launch of ZZZ on Z.ZZZ.com failed in 3 ms>
<[04/23/18 10:11:38] SSH Launch of ZZZ on Z.ZZZ.com failed in 35 ms>
http://abc.xyz.com:1234/jenkins/computer/ZZZ/descriptorByName/hudson.plugins.sshslaves.verifiers.ManuallyProvidedKeyVerificationStrategy/checkKey
java.lang.reflect.InvocationTargetException
at
org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:347)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:184)
at
org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:117)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:129)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
Truncated. see log file for complete stacktrace
Caused By: java.lang.IllegalArgumentException: Key should be 2 parts:
algorithm and Base 64 encoded key value.
at
hudson.plugins.sshslaves.verifiers.ManuallyProvidedKeyVerificationStrategy.parseKey(ManuallyProvidedKeyVerificationStrategy.java:98)
at
hudson.plugins.sshslaves.verifiers.ManuallyProvidedKeyVerificationStrategy.access$000(ManuallyProvidedKeyVerificationStrategy.java:52)
at
hudson.plugins.sshslaves.verifiers.ManuallyProvidedKeyVerificationStrategy$ManuallyProvidedKeyVerificationStrategyDescriptor.doCheckKey(ManuallyProvidedKeyVerificationStrategy.java:120)
at
java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
at
org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:343)
Truncated. see log file for complete stacktrace
>
On Friday, April 20, 2018 at 9:15:04 AM UTC-4, srk wrote:
>
> Hi
>
> I have deployed Jenkins 2.117 war file onto WebLogic 12.2.1.2 as a
> webapplication and I am able to login to the application. I want to add
> additional nodes (remote servers) and would like to launch them using SSH,
> I have ssh key setup configured between the master where the WebLogic
> hosting Jenkins is running and remote servers and able to connect via
> shell. But when I try to do the same from within the application, I keep
> getting the below error message on the console output. I tried searching
> web and other support sites, and it seems this was fixed sometime in 2017
> in older releases i.e in SSH Slave Plugin 1.20. I still keep getting the
> same and I see the plugin version installed is 1.26 for SSH Slave.
>
> Any help or pointers in right direction is appreciated.
>
> Thanks
>
> Warning: no key algorithms provided; JENKINS-42959 disabled
> [04/20/18 08:39:05] [SSH] Opening SSH connection to XXX.abc.com:22.
> ERROR: Unexpected error in launching a slave. This is probably a bug in
> Jenkins.
> java.lang.NoSuchMethodError:
> com.trilead.ssh2.Connection.connect(Lcom/trilead/ssh2/ServerHostKeyVerifier;III)Lcom/trilead/ssh2/ConnectionInfo;
> at
> hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1324)
> at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:831)
> at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:820)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> [04/20/18 08:39:05] Launch failed - cleaning up connection
> [04/20/18 08:39:05] [SSH] Connection closed.
>
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