Hendrik Halkow edited a comment on Bug JENKINS-24273

Yes, I do have the unrestricted JCA policy in the master's JVM.
I am running the latest LTS version 1.565.1 on Java 8 update 11. Same happens with the latest Jenkins version, 1.575.
On the command line, my ECDSA keys work fine.
Below is my slave connection log.

Have a look at the exception and the link I posted above.

ERROR: Failed to authenticate as build-tcc with credential=872d37c9-0500-4097-ad35-9fbbdb50edbd
java.io.IOException: Publickey authentication failed.
at com.trilead.ssh2.auth.AuthenticationManager.authenticatePublicKey(AuthenticationManager.java:315)
at com.trilead.ssh2.Connection.authenticateWithPublicKey(Connection.java:467)
at com.cloudbees.jenkins.plugins.sshcredentials.impl.TrileadSSHPublicKeyAuthenticator.doAuthenticate(TrileadSSHPublicKeyAuthenticator.java:106)
at com.cloudbees.jenkins.plugins.sshcredentials.SSHAuthenticator.authenticate(SSHAuthenticator.java:408)
at com.cloudbees.jenkins.plugins.sshcredentials.SSHAuthenticator.authenticate(SSHAuthenticator.java:428)
at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1138)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:648)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:642)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Invalid PEM structure, '-----BEGIN...' missing
at com.trilead.ssh2.crypto.PEMDecoder.parsePEM(PEMDecoder.java:138)
at com.trilead.ssh2.crypto.PEMDecoder.decode(PEMDecoder.java:313)
at com.trilead.ssh2.auth.AuthenticationManager.authenticatePublicKey(AuthenticationManager.java:224)
... 11 more
[08/14/14 21:14:16] [SSH] Authentication failed.
hudson.AbortException: Authentication failed.
at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1143)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:648)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:642)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
[08/14/14 21:14:16] [SSH] Connection closed.
[08/14/14 21:14:16] Launch failed - cleaning up connection

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